DUOL

Duolingo, Inc.

Next est. report 2026-11-04 · AMC

AI '25: Data Owners AI '25: Platform Data Flywheel Data Owners '25: Education, Research & Scientific KnowledgeEducation '24: Digital Education ToolsHaveNots Shorts '25: Premium SubscriptionsThematic Momo Short '25: Consumer AI Apps

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Overview

Duolingo, Inc. provides a popular app for learning over 40 languages, expanding into math, music, and chess. It leverages AI to enhance engagement and teaching.

Duolingo, Inc. provides a popular app for learning over 40 languages, expanding into math, music, and chess. It leverages AI to enhance engagement and teaching. Primarily subscription-based, Duolingo is diversifying monetization through longer free trials, rolling out AI-powered conversational features to Super subscribers, and testing an ad-supported "Super Lite" tier, aiming for global user growth.

Key Inputs And Sourcing

1. Payment Processing Fees

other · Global (App Stores) · 15-30% of subscription revenue

Source App store commissions (Apple 15-30%, Google 10-15%) are a direct cost of revenue for subscriptions and in-app purchases, which constitute over 80% of Duolingo's revenue.

Confidence: high

2. AI Compute/Inference Costs

other · Global (Cloud Providers) · ~7-10% of COGS

Source Explicitly mentioned as a significant cost input in COGS, impacting gross margins. The cost per AI video call was reduced from $0.30 to under $0.01 due to a shift towards open-source models. The company reported tens of millions of dollars in AI expenses within COGS.

Confidence: high

3. Cloud Hosting/Infrastructure

other · Global (Cloud Providers) · ~7% of COGS

Source Identified as a 'biggie' in cost of goods sold. Server hosting and infrastructure costs are estimated at approximately $20 million annually. Duolingo has actively worked to reduce AWS cloud spending.

Confidence: high

4. Content Creation & Localization (Labor/Services)

labor · Global · ~3-5% of COGS

Source While AI automates much of content generation, Duolingo still invests $10-15 million annually in content generation and maintenance, including linguists, curriculum designers, and editors.

Confidence: medium

Industry Publications

EdTech Magazine (edtechmagazine.com) — To monitor broader trends, innovations, and challenges in education technology relevant to Duolingo's platform and expansion into new subjects like Math and Music.
EdSurge (edsurge.com) — For in-depth news, research, and analysis on education technology, including emerging startups, funding, and pedagogical approaches that could influence Duolingo's product development and market strategy.
Language Learning & Technology (LLT) (llt.msu.edu) — To track academic research and developments in computer-assisted language learning (CALL) and the integration of technology in language education, directly relevant to Duolingo's core offering.
AI in Education (MDPI) (mdpi.com/journal/aieduc) — To follow scholarly articles and research on the theoretical and practical applications of artificial intelligence in educational environments, particularly relevant given Duolingo's heavy reliance on AI for teaching and cost optimization.
Business of Apps (businessofapps.com) — To monitor trends in mobile app monetization, user acquisition, and subscription strategies, which are critical for Duolingo's revenue generation and user growth focus.

Economic Data Watch

1. UNESCO Institute for Statistics (UIS) — Science, Technology and Innovation (STI) Statistics

Metric/field Gross domestic expenditure on R&D (GERD) as a percentage of GDP

Cadence Annual

Why it matters Indicates global investment in scientific and educational advancement, which can drive demand for learning tools and content, aligning with Duolingo's mission to redefine education.

Signal to watch Upward trend in R&D expenditure suggests a growing market for knowledge and learning, potentially increasing the user base for educational apps.

Confidence: high

2. U.S. Department of Education, National Center for Education Statistics (NCES) — Digest of Education Statistics / Enrollment

Metric/field Total public and private elementary and secondary school enrollment

Cadence Annual

Why it matters Provides insights into the overall education market size and trends in K-12 and higher education, relevant to Duolingo's expansion into Math and Music.

Signal to watch Increasing enrollment, particularly in segments relevant to Duolingo's new subjects, indicates a larger potential user base.

Confidence: high

3. World Bank — World Development Indicators

Metric/field GDP growth (annual %)

Cadence Annual

Why it matters Overall economic health impacts consumer discretionary spending on education and app subscriptions, especially in Duolingo's key markets.

Signal to watch Higher GDP growth suggests stronger consumer purchasing power and willingness to spend on self-improvement and educational apps.

Confidence: high

4. The Conference Board — Consumer Confidence Index

Metric/field Consumer Confidence Index (CCI)

Cadence Monthly

Why it matters Reflects consumer sentiment and willingness to spend, which directly influences subscription purchases and engagement with paid features on Duolingo.

Signal to watch Rising CCI indicates greater consumer optimism and potential for increased discretionary spending on educational apps and subscriptions.

Confidence: high

5. International Telecommunication Union (ITU) / World Bank — ICT Statistics / World Development Indicators

Metric/field Individuals using the Internet (% of population)

Cadence Annual

Why it matters Fundamental for an online platform; indicates the total addressable market and potential for user growth for Duolingo globally.

Signal to watch Increasing internet penetration expands the potential user base for Duolingo, especially in emerging markets.

Confidence: high

Free Alt Data Watch

1. Google Trends — Search Interest

Metric/field Interest over time for the search term 'Duolingo' (Worldwide)

Cadence Daily

Why it matters Reflects brand awareness and general public interest in Duolingo, indicating top-of-funnel user acquisition potential and overall brand relevance.

Signal to watch Sustained or increasing search interest suggests growing brand relevance and potential user growth for the platform.

Confidence: high

2. Google Trends — Search Interest

Metric/field Interest over time for the search term 'learn language app' (Worldwide)

Cadence Daily

Why it matters Indicates broader market demand for language learning applications, providing context for Duolingo's market share and growth potential within its core offering.

Signal to watch Increasing search interest in the category suggests a growing market that Duolingo can tap into and potentially convert into users.

Confidence: high

3. Reddit — Subreddit Statistics

Metric/field Subscribers for r/languagelearning

Cadence Daily

Why it matters Gauges community interest and engagement in language learning, a core Duolingo offering. A growing community suggests sustained interest in the activity.

Signal to watch Increasing subscriber count indicates a growing passionate community, potentially leading to more organic user acquisition for Duolingo.

Confidence: medium

4. TikTok — Public Profile Statistics

Metric/field Followers for @duolingo

Cadence Daily

Why it matters Duolingo actively uses social media for marketing and viral growth. Follower count and engagement are indicators of marketing effectiveness and brand reach.

Signal to watch Consistent growth in follower count and high engagement rates suggest successful social media strategy and brand visibility, contributing to DAU growth.

Confidence: high

5. Apple App Store / Google Play Store — Public App Information

Metric/field Average Rating for 'Duolingo: Language Lessons'

Cadence Daily

Why it matters Direct user feedback on product quality and satisfaction. High ratings can drive new downloads and improve retention, crucial for Duolingo's user-centric strategy.

Signal to watch Stable or improving average rating indicates positive user experience and product health, supporting sustained user growth and engagement.

Confidence: high

Paid Alt Data Watch

1. Sensor Tower / data.ai — Mobile App Intelligence

Metric/field Daily Active Users (DAUs) for Duolingo (Global)

Cadence Daily

Why it matters Direct, granular measure of Duolingo's core strategic priority (DAU growth) and user engagement across its mobile application.

Signal to watch Consistent growth in DAUs, especially in key regions, confirms the success of user acquisition and retention strategies and progress towards the 100M DAU goal.

Confidence: high

2. Sensor Tower / data.ai — Mobile App Intelligence

Metric/field Total Downloads for Duolingo (Global)

Cadence Daily

Why it matters Indicates top-of-funnel user acquisition and the effectiveness of marketing efforts in attracting new users to the Duolingo app.

Signal to watch Strong and sustained download numbers suggest effective marketing and broad appeal, contributing to overall user base expansion.

Confidence: high

3. SimilarWeb / Semrush — Website Analytics

Metric/field Total Unique Visitors to duolingo.com (Global)

Cadence Monthly

Why it matters Measures engagement with Duolingo's web platform, complementing mobile app data and providing a holistic view of user reach and interest.

Signal to watch Increasing unique visitors indicates growing interest and usage of the web platform, supporting overall user growth.

Confidence: high

4. Lightcast (formerly Burning Glass Technologies) — Job Posting Analytics

Metric/field Number of Job Postings requiring specific language skills (e.g., Spanish, French, Japanese)

Cadence Monthly

Why it matters Tracks demand for skills taught by Duolingo, indicating the practical utility and market relevance of its language offerings in the workforce.

Signal to watch Rising demand for language skills in job postings suggests a growing market for Duolingo's educational content and potential for user acquisition driven by career goals.

Confidence: medium

5. Earnest Research / Second Measure — Consumer Transaction Data

Metric/field Estimated Subscription Revenue for Duolingo (U.S. consumers)

Cadence Weekly

Why it matters Provides an independent, real-time view of Duolingo's monetization performance and subscription growth from a consumer spending perspective.

Signal to watch Consistent growth in estimated subscription revenue and/or average transaction value indicates successful monetization strategies and strong subscriber retention.

Confidence: high

Search Keywords Brand Product

Duolingo app
Super Duolingo
Duolingo Max
Duolingo Math
Duolingo Music
Duolingo Chess
Super Lite
language learning app
education technology
AI in education
online learning platform
gamified learning
subscription model
user growth strategy

Search Keywords Event Phrases

Duolingo earnings
Duolingo Q2 results

Search Keywords Policy Regulatory

AI ethics in education
data privacy regulation China

What They Do (Plain English & Analogies): Duolingo is like a free, fun game on your phone or computer that teaches you new things. Most famously, it helps you learn different languages, such as Spanish or French, through short, bite-sized lessons that feel like playing a game. But it's not just for languages anymore; it also teaches you math, music, and even how to play chess. They use smart computer programs (AI) to make the lessons better and more personalized, almost like having a private tutor that's always available and makes learning addictive.
Very Brief History: Duolingo, Inc. was founded in 2011 in Pittsburgh, Pennsylvania. It quickly grew into a popular online platform and mobile application for language learning, expanding its curriculum to over 40 languages and later diversifying into other subjects like math, music, and chess.
"Street Stereotype": Duolingo is generally perceived by investors and analysts as a mission-driven company that is prioritizing aggressive user growth (Daily Active Users or DAUs) over immediate short-term profits. The "street" sees it as a leader in AI-enhanced education, expanding its reach into new subjects, but also scrutinizes its ability to effectively monetize its large user base without compromising the free user experience, leading to some concerns about near-term bookings and profitability.
Subsidiaries On Linked In*: {"subsidiaries":[]}
Customer Sectors & Example Clients: Duolingo primarily serves individual consumers across various demographics globally. Their customers are learners interested in acquiring new skills, particularly languages, but also math, music, and chess. For Duolingo Math, they are specifically targeting K-12 students. As a direct-to-consumer platform, they do not have traditional "client companies" in the B2B sense.
New Customers / Segments They'Re Targeting: Duolingo is actively targeting K-12 students for its Math product, shifting its strategy from trying to make math appealing to the general adult population to focusing on those who need to learn it for school. They are also continuously working to attract new users across all demographics globally for their language, music, and chess offerings, with a particular focus on increasing top-of-funnel growth in regions like Asia and the U.S.
Sales Geographies And Expansion Plans: Duolingo currently sells its products globally, with significant user bases in the United States and China. China is noted as its second-largest market in terms of daily active users and is expected to become the largest within a year or two. The company is experiencing broad-based DAU growth across all regions, with Asia being the fastest-growing, and the U.S. also showing increased growth. While the focus is on growing the existing global user base, no specific new country expansion plans were explicitly mentioned beyond general global user acquisition.
How Key Themes May Help/Hurt: Duolingo is a core constituent of the "Data Owners '25: Education, Research & Scientific Knowledge" theme. This theme significantly helps Duolingo by validating its strategy of leveraging proprietary user learning data to enhance its AI-powered educational platform. The theme's bullish points, such as accelerating AI-driven innovation, the creation of deep proprietary content and data moats (Duolingo's massive dataset of learning behavior), and expanding global demand for digital learning tools, directly align with Duolingo's growth drivers. The company's ability to use AI to "teach significantly better" and reduce AI inference costs, as highlighted in the transcript, reinforces the theme's focus on AI-driven productivity and monetization. While the theme's bear points mention slow institutional adoption and regulatory scrutiny, Duolingo's primary direct-to-consumer model and focus on individual learning mitigate the impact of "slow institutional adoption." However, regulatory scrutiny around data privacy and AI ethics could still pose challenges, especially as they expand globally.

3 Main Long-Term Bull Details

Aggressive User Growth & Market Expansion: Duolingo is strategically prioritizing daily active user (DAU) growth, targeting 100 million DAUs by 2028, by continuously improving the free user experience and expanding into new subjects like Math and Music, which significantly broadens its total addressable market.
AI-Driven Learning & Cost Efficiency: The company leverages accelerating AI advances to enhance teaching quality, personalize learning, and introduce advanced features like conversational practice (video call), while simultaneously reducing AI inference costs through open-source models, enabling broader access to premium features.
Dominant Market Position & Strong Retention: Duolingo maintains a dominant position in language learning with approximately 85% of global DAUs among language learning apps, and its user retention metrics (like CURR) are at an all-time high, indicating a sticky product and strong word-of-mouth growth.

3 Main Long-Term Bear Details

Uncertain Monetization Transition: The strategic shift away from friction-based monetization towards value-added features and alternative revenue streams (like ads and new tiers such as Super Lite) introduces uncertainty regarding its impact on average revenue per user (ARPU) and overall bookings growth.
Short-Term Profitability & Investment Impact: Prioritizing user growth over immediate monetization is expected to result in slower bookings growth (10-12% for 2026) and lower adjusted EBITDA margins (around 25% for 2026), with R&D and sales & marketing spend outpacing revenue growth.
Sustained DAU Reacceleration Requirement: Achieving the ambitious target of 100 million DAUs by 2028 requires significant and sustained reacceleration of user growth, and the long-term effectiveness of new product initiatives and marketing strategies in consistently attracting new users is yet to be fully proven.

Competitors And Differentiation: In language learning, Duolingo holds a dominant position, claiming about 85% of daily active users among language learning apps globally. They differentiate themselves through a strong, free, gamified product, massive distribution, and continuous AI-driven product improvements that enhance teaching quality and user engagement. They are expanding into new subjects like Math, Music, and Chess, where they compete with other educational apps and platforms. Their use of AI to make learning more effective and personalized, such as the "video call" feature for conversational practice, is a key differentiator.
Recent Performance & What The Market'S Focused On: Duolingo reported a strong Q2 2026, with DAUs growing 23% year-over-year, accelerating from Q1 and slightly exceeding expectations. Topline results were in line with expectations, and profitability was slightly ahead of plan. The company increased its target adjusted EBITDA outlook to 26.5% from 25% for the full year 2026, expecting approximately $320 million in adjusted EBITDA and over $375 million in free cash flow. The market is focused on the company's ability to sustain DAU growth towards its 100 million target by 2028, the success of its evolving monetization strategies (including the rollout of video call to Super subscribers, the testing of Super Lite, and the future of Max), and the balance between user growth investments and profitability.

Revenue Segments And Estimated Mix: Subscriptions (Super Duolingo, Max, Super Lite) — Mix: largest segment, much larger than ads; Source: Q2 2026 earnings transcript; Trend: Company remains primarily a subscription business, experimenting with Super Lite (ad-supported, cheaper than Super) and evolving Max/Super features.
Advertising — Mix: smaller than subscriptions; Source: Q2 2026 earnings transcript; Trend: Significant opportunity seen, increasing sophistication and investment in ad revenue, expecting improvements over next few quarters.
Product Brands: Duolingo
Duolingo Math
Duolingo Music
Duolingo Chess
Super Duolingo
Duolingo Max
Super Lite

Bull / Bear Details

Duolingo is executing a strategic pivot to aggressively grow daily active users (DAUs), targeting 100 million by 2028, by enhancing product quality with AI and

Thesis

Duolingo is executing a strategic pivot to aggressively grow daily active users (DAUs), targeting 100 million by 2028, by enhancing product quality with AI and expanding into new subjects. Strong Q2 DAU acceleration and record retention, coupled with significant AI cost savings enabling broader feature access, reinforce the long-term vision. While short-term bookings growth remains constrained by this prioritization, evolving monetization strategies and global market expansion present a compelling bull case for redefining education. (Updated 2026-09-03)

Bull case

Duolingo's strategic focus on user growth is yielding strong results, with Q2 DAUs accelerating to 23% year-over-year and user retention (CURR) reaching an all-time high. This broad-based growth across regions, including increased U.S. growth and China becoming the second-largest market, validates the "Green Machine" approach and reinforces confidence in achieving the 100 million DAU target by 2028.
Significant AI cost reductions, driven by a shift to open-source models, are enhancing profitability and enabling broader feature access. The cost of AI-powered video calls is now under $0.01, allowing rollout to all Super subscribers. This efficiency gain has led to an increased adjusted EBITDA outlook for 2026 (26.5%), demonstrating AI's dual benefit of improving user experience and financial performance.
Duolingo is effectively diversifying its monetization strategies to align with user growth, moving away from friction-based approaches. Longer free trials (now 1-month) are increasing conversions, and the company is testing an ad-supported "Super Lite" tier to capture users unlikely to buy Super. Furthermore, the company sees a large, untapped opportunity in ad revenue, becoming more sophisticated in its approach.

Bear case

The strategic prioritization of user growth over immediate monetization continues to constrain short-term financial performance. Bookings growth is expected to remain slower (9% in Q3, 11% for FY26), and R&D and sales & marketing spend will outpace revenue growth. This deliberate trade-off, while long-term focused, creates near-term pressure on top-line expansion and profitability metrics.
Uncertainty surrounds the long-term monetization strategy for premium tiers. The future of the Max subscription tier is under review, with potential for sunsetting or differentiation, which could impact ARPU. The "Super Lite" ad-supported tier is still in early testing, and its success in attracting new paying users without cannibalizing existing Super subscribers remains unproven.
Duolingo faces challenges in adapting to decreasing global attention spans, requiring ongoing experimentation to optimize session length and engagement. Furthermore, the strategy for new subjects like Math has shifted, acknowledging initial missteps in targeting average adults and now focusing on K-12 students. This pivot may delay the materialization of significant DAU contributions from these new areas.

Bull / Bear Case

Bear Case: Duolingo's strategic prioritization of user growth over immediate monetization continues to constrain short-term financial performance, with bookings growth expected to remain slower (9% in Q3, 11% for FY26). R&D and sales & marketing spend will outpace revenue growth, creating near-term pressure on top-line expansion and profitability metrics despite the improved EBITDA outlook. Uncertainty surrounds the long-term monetization strategy for premium tiers, particularly the future of the Max subscription tier, which is under review and could impact Average Revenue Per User (ARPU). The "Super Lite" ad-supported tier is still in early testing, and its success in attracting new paying users without cannibalizing existing Super subscribers remains unproven. Additionally, Duolingo faces challenges in adapting to decreasing global attention spans and has shifted its Math strategy, which may delay significant DAU contributions from new areas.
Bull Case: Duolingo's strategic focus on aggressive user growth is yielding strong results, with Q2 Daily Active Users (DAUs) accelerating to 23% year-over-year and user retention (CURR) reaching an all-time high. This broad-based growth across regions, including increased U.S. growth and China becoming the second-largest market, validates the "Green Machine" approach and reinforces confidence in achieving the 100 million DAU target by 2028. Significant AI cost reductions, driven by a shift to open-source models, are enhancing profitability and enabling broader feature access, such as video calls to all Super subscribers for under $0.01 per call. This efficiency gain has led to an increased adjusted EBITDA outlook for 2026 (26.5%). Duolingo is also diversifying monetization strategies with longer free trials and testing an ad-supported "Super Lite" tier, while seeing a large untapped opportunity in ad revenue.
More Compelling & Why: Bull. Despite initial market skepticism post-earnings, the stock has rallied significantly (21.29% vs SPY -1.03% post-earnings to current), suggesting the market is increasingly buying into Duolingo's long-term user growth strategy. The strongest argument is the accelerating DAU growth (23% YoY in Q2) and record user retention, coupled with AI cost savings enabling broader feature access and an increased adjusted EBITDA outlook. My view would flip to Bear if Duolingo fails to sustain DAU acceleration towards its 100 million target by 2028, or if the new monetization strategies do not translate into meaningful ARPU growth, especially if the current high Price/Sales multiple (e.g., 10x+ forward P/S) remains elevated without corresponding bookings reacceleration.

Key Factors5 rows

Key Factor	Why It Matters	What To Watch	What It Signals	Where/How To Track	Free Alt Data	Paid Alt Data
Full-year 2026 Adjusted EBITDA outlook increased to 26.5% from 25%, driven by AI cost savings	This indicates improved operational efficiency and profitability despite continued investments in user growth. The ability to leverage open-source AI models for cost reduction is a significant positive for future margins and demonstrates effective financial discipline.	Reported Adjusted EBITDA margin for Q3 and Q4 2026, and the full-year 2026 Adjusted EBITDA margin, compared to the updated 26.5% outlook.	Bullish: Adjusted EBITDA margin meets or exceeds the updated 26.5% outlook for FY26.	Duolingo's Q3 and Q4 2026 earnings reports and conference calls, expected in late 2026 and early 2027 respectively.	Company investor relations website: Earnings releases and investor presentations.	S&P Capital IQ: Analyst consensus estimates for Adjusted EBITDA and margin.
Q4 Daily Active User (DAU) growth reaching 25% or higher year-over-year	This internal bonus plan highlights management's confidence and focus on accelerating DAU growth, which is Duolingo's primary strategic priority for long-term value creation. Achieving this threshold would signal strong user momentum and validate the company's investment strategy.	Q4 2026 Daily Active User (DAU) year-over-year growth rate, as reported in the company's earnings.	Bullish: Q4 DAU growth is 25% or higher year-over-year.	Duolingo's Q4 2026 earnings report and conference call, expected in early 2027.	Google Trends: 'Duolingo' search interest and app-related queries globally.	Sensor Tower/App Annie: Duolingo app daily/monthly active users (DAU/MAU) and download trends.
Completion of video call rollout to all existing Super subscribers and clarity on the future of the Max tier	Expanding access to a high-value AI-powered feature like video call to a broader subscriber base enhances the Super offering, potentially driving retention and new subscriptions. The decision on Max will clarify the company's premium monetization strategy and product differentiation.	Management commentary on the timeline for rolling out video call to all existing Super subscribers (expected 'over the next few months'). Announcement regarding the future of the Max tier ('next couple of quarters').	Bullish: Video call successfully rolled out to all Super subscribers, leading to increased Super retention/subscriptions; Max tier strategy clearly defined without significant revenue loss.	Duolingo's Q3 and Q4 2026 earnings reports and conference calls, and company press releases.	Reddit (r/duolingo) and other online forums: User discussions and feedback on video call feature availability and Max tier changes.	Sensor Tower/App Annie: Duolingo app subscription revenue trends for Super and Max tiers, feature usage data if available.
China becoming Duolingo's largest market in terms of Daily Active Users (DAUs) and continued strong monetization	China represents a massive growth opportunity, and its strong DAU growth combined with monetization comparable to developed markets like France signifies significant untapped revenue potential and global expansion success, contributing to the 100 million DAU target.	Management commentary on China's DAU growth rate and its position relative to other markets. Specific updates on monetization trends in China, including revenue per user.	Bullish: China DAUs continue to grow rapidly, on track to become the largest market within 1-2 years, and monetization remains strong or improves.	Duolingo's quarterly earnings reports and conference calls.	Baidu Index (for China-specific search trends): 'Duolingo' search interest in China.	Sensor Tower/App Annie: Duolingo app downloads, active users, and revenue generated from the China market.
Initial results and future plans for the 'Super Lite' ad-supported subscription tier	This new, lower-priced, ad-supported tier could significantly expand Duolingo's paying user base by targeting users unwilling to pay for the full Super subscription, diversifying revenue streams without adding friction to the free experience. It represents a new monetization lever.	Management commentary on the performance of the Super Lite test, including subscriber numbers, revenue contribution, and conversion rates from free users. Decision on wider rollout.	Bullish: Positive test results indicating strong adoption, meaningful revenue contribution, and minimal cannibalization of Super subscribers.	Duolingo's Q3 and Q4 2026 earnings reports and conference calls.	Reddit (r/duolingo) and other online forums: User discussions and feedback on the Super Lite offering, pricing, and ad experience.	Sensor Tower/App Annie: Duolingo app revenue breakdown (subscription vs. advertising), new subscriber additions by tier.

Key Reported Metrics, Reratings Triggers & Results3 rows

This metric reflects Duolingo's profitability and efficiency, especially as it balances aggressive user growth investments with AI cost savings. An improved mar

Upcoming print · 2026-11-04

Key reported metrics
Metric	Last period	Why it matters
Adjusted EBITDA Margin	25.9%	This metric reflects Duolingo's profitability and efficiency, especially as it balances aggressive user growth investments with AI cost savings. An improved margin outlook indicates effective financial discipline.
Bookings Growth	8%	Bookings growth is a key indicator of future revenue and overall business health. While deliberately managed for user growth, any deviation from guidance will signal shifts in monetization strategy effectiveness.
Daily Active User (DAU) Growth	23%	DAU growth is Duolingo's top priority, crucial for reaching its 100 million DAU target by 2028 and driving long-term value. Sustained acceleration indicates successful product and marketing strategies.

Last reported · 2026-05-04

Key reported metrics
Metric	Last period	Why it matters
Adjusted EBITDA Margin	29.8%	Adjusted EBITDA Margin reflects the company's profitability and efficiency. It is expected to be impacted by increased investments in user growth and AI features in 2026.
Bookings Growth	24%	Bookings growth is a core top-line demand signal, indicating the overall health of the business and future revenue. The company expects slower bookings growth in the short term due to its strategic shift.
DAU Growth	30%	Daily Active User (DAU) growth is Duolingo's top priority for 2026, as the company shifts to reaccelerate its user base. Sustained growth is crucial for long-term value and reaching the 100 million DAU target by 2028.

Key Questions

Will Duolingo sustain and further accelerate its Daily Active User (DAU) growth, particularly towards the 25% Q4 bonus threshold, and can it achieve its 100 mil

Will Duolingo sustain and further accelerate its Daily Active User (DAU) growth, particularly towards the 25% Q4 bonus threshold, and can it achieve its 100 million DAU target by 2028 while maintaining or improving its increased adjusted EBITDA outlook?

Question 2: How effectively will Duolingo's evolving monetization strategies, including the rollout of video call to Super, the testing of Super Lite, and increased focus on ad revenue, impact average revenue per user (ARPU) and overall bookings growth, especially given the uncertainty surrounding the Max tier?
Question 3: Can Duolingo's refined Math strategy for K-12 students and the ongoing development of Music meaningfully contribute to overall DAU growth and engagement, and will continued AI cost savings from open-source models further enhance profitability and enable broader feature deployment?

Earnings Transcript SummaryTable

2026-08-05 · 2026Q2 Earnings Call

3 Things Management Is Most Focused On	Call Takeaway & Tone	Prior Quarter'S Y/Y Growth By Segment	3 Things Analysts Most Pressed On (And Mgmt Responses)	Revenue Segments
3 Things Management Is Most Focused On1. Accelerating User Growth and Retention: Management is heavily focused on driving Daily Active User (DAU) growth, which accelerated to 23% year-over-year in Q2, and improving user retention, with their CURR (current user retention rate) reaching an all-time high. Their ambitious goal is to reach 100 million DAUs by 2028. 2. Enhancing Product Quality and Teaching Effectiveness: A core focus is on continuously improving the product through 'The Green Machine' (hundreds of small product changes) to teach languages, chess, Math, and Music better. This includes making features like video call more accessible and increasing speaking exercises across tiers. 3. Strategic Investment with Financial Discipline: While investing deliberately in long-term growth opportunities, management is also focused on operating with discipline. They have increased their adjusted EBITDA outlook, partly due to significant AI cost savings, demonstrating a commitment to efficient growth and profitability alongside investment.	Call Takeaway & ToneThe overall takeaway from the call is that Duolingo delivered a strong Q2, marked by accelerating Daily Active User (DAU) growth and record-high user retention, driven by continuous product innovation and strategic use of AI. Management reiterated its long-term vision of reaching 100 million DAUs by 2028, emphasizing that prioritizing user growth and teaching effectiveness will ultimately create a significantly more valuable business. The company is also evolving its monetization strategies, focusing on value-added features and efficient advertising, while leveraging AI cost savings to improve profitability. The tone of the call was positive and confident, with management expressing strong belief in their strategic direction and disciplined execution.	Prior Quarter'S Y/Y Growth By SegmentIn Q1 2026, Duolingo's overall revenue grew 27% year-over-year. Segment-wise, subscription revenue increased by 31%, advertising revenue grew by 15%, Duolingo English Test revenues declined by 6%, and in-app purchases decreased by 11%.	3 Things Analysts Most Pressed On (And Mgmt Responses)1. Bookings Guidance vs. DAU Growth: Analysts questioned why the full-year bookings guidance wasn't raised more despite accelerating DAU growth. Management responded that users don't monetize immediately due to the freemium model, and they are intentionally operating within a bookings growth 'box' (roughly 11% year-over-year) to prioritize DAU growth and teaching better. 2. Monetization Strategy (Max, Super Lite, Ads): Analysts inquired about the future of the Max tier, the rollout of video call to Super subscribers, and the testing of an ad-supported tier (Super Lite). Management explained they are reducing video call costs to offer it to all Super subscribers, are still evaluating the future of Max (potentially sunsetting or differentiating with unlimited calls), and are testing Super Lite as a cheaper, ad-supported option for users unlikely to buy Super. They also acknowledged a growing focus on improving ad revenue and using performance marketing. 3. AI Costs and Open-Source Models: Analysts pressed on the impact of open-source models on AI costs and margins, and the overall significance of AI expenses. Management stated that AI costs in cost of goods sold are in the tens of millions, and they are actively transitioning to open-source models where quality is comparable to significantly reduce these costs. This shift is a key factor in their improved adjusted EBITDA outlook and enables them to offer more AI features to more users.	Revenue SegmentsFor Q2 2026, Duolingo reported Daily Active Users (DAUs) grew 23% year-over-year, accelerating from Q1. The company did not provide specific Q2 revenue growth by segment in the transcript. For Q3 2026, Duolingo expects revenue growth of 11%, and for the full year 2026, they anticipate revenue growth of roughly 16%.

Transcript Tidbits3 rows

2026-08-05

About Expanding Eligible Market	About The Broader Industry	Where Things Are Headed	Updates On Theme	Broader Themes Emerging	Bullish-Leaning Quotes (Short)	Bearish-Leaning Quotes (Short)	Hiring
About Expanding Eligible MarketDuolingo is expanding its product offerings to include chess, Math, and Music, with a focus on teaching Math to K-12 students. The company aims to reach 100 million daily active users (DAUs) by 2028. China is noted as a very exciting and growing market, currently Duolingo's second-largest in terms of DAUs, and is expected to become the largest in a year or two.	About The Broader IndustryThe company notes a general trend of decreasing attention spans, with social media apps being used in short bursts, which Duolingo is actively addressing for its longer lesson formats. There has been a significant improvement in open-source AI model options compared to a year ago, leading to reduced costs for AI usage. Duolingo also operates on a freemium model where users do not monetize immediately, taking time to convert to payers.	Where Things Are HeadedDuolingo is investing deliberately for long-term growth, aiming for 10-12% bookings growth and 15-18% revenue growth for the full year, with an increased adjusted EBITDA outlook of 26.5%. The company remains focused on reaching 100 million DAUs by 2028. Monetization efforts are shifting to strategies that align with user growth, such as longer free trials (moving to 1-month trials) and testing a new ad-supported 'Super Lite' tier at about half the price of Super. Video call functionality, now significantly cheaper due to open-source models, is being rolled out to most new Super subscribers and is expected to reach existing Super subscribers in the coming months. The future of the 'Max' tier is uncertain, with possibilities of limited video calls for Super vs. unlimited for Max, or potentially sunsetting Max. Duolingo sees a large opportunity in ad revenue and is becoming more sophisticated in performance marketing to complement organic growth. The strategy for Math is to focus on K-12 students rather than trying to make the average adult 'love' math.	Updates On ThemeDuolingo	Broader Themes EmergingThe transcript highlights the broader theme of AI-driven transformation in education, with open-source AI models reducing costs and enabling wider deployment of advanced learning features. Another emerging theme is the evolution of freemium monetization strategies, moving towards value-added features and diversified revenue streams like ad-supported tiers, rather than friction-based approaches. The challenge of adapting educational content and engagement models to declining global attention spans is also a notable industry trend.	Bullish-Leaning Quotes (Short)Q2 was a strong quarter. DAUs grew 23% year-over-year, accelerating from Q1. We have increased our target adjusted EBITDA outlook to 26.5% from the 25%. Our user momentum is strong, our business model continues to generate significant cash flow. We remain focused on reaching 100 million DAUs in 2028. The good news is that through a lot of really hard work, we've been able to bring down the cost of video call. It is now under $0.01 per video call. Our retention, our user retention, pretty much all metrics of user retention are at an all-time high. The U.S. growth has increased quite a bit in the last quarter. China is a very exciting market for us. It keeps growing.	Bearish-Leaning Quotes (Short)For Q3 itself, we expect bookings of approximately $307 million or growth of 9%. I don't know what's going to happen with Super Lite in the end. Another possibility truthfully is that we may actually sunset Max. If suddenly all users have it, there's less incentive to buy. I thought that we could get the average person on the street to get addicted to learning math. I was wrong. The world, in general, attention span is going down.	HiringThe rate of experimentation has increased faster than headcount, meaning that per person, more experiments are being conducted every week.

2026-02-26

About Expanding Eligible Market	About Competition	About The Broader Industry	Where Things Are Headed	Updates On Theme	Broader Themes Emerging	Bullish-Leaning Quotes (Short)	Bearish-Leaning Quotes (Short)	Hiring
About Expanding Eligible MarketDuolingo aims to expand its eligible market by focusing on new subjects like math, music, and chess, with a medium-term goal of reaching 100 million daily active users (DAUs) by 2028. The company believes there's a huge market potential for math, with about 1 billion people learning math globally, and expects Duolingo Math to be the best tutor app for math this year. Chess has already achieved 7 million DAUs less than a year after launch, becoming the second-largest chess platform. Duolingo also sees significant room for growth in existing markets, noting that U.S. penetration is only 2% of internet users, and even reaching this level in all countries would more than double current DAUs.	About CompetitionDuolingo is not currently concerned about competition, stating it holds about 85% of the daily active users among language learning apps globally, a share that has remained flat. The company dismisses concerns about AI translation tools or all-purpose chatbots, as users primarily use Duolingo for hobby learning or to genuinely learn English, and churn surveys do not indicate these as reasons for leaving. Duolingo also believes it's difficult for new competitors to emerge and scale due to its strong free product, huge distribution, and the complexity of replicating its sophisticated app. The company has observed hundreds of apps attempting to compete but failing to grow.	About The Broader IndustryThe accelerating advances in AI are fundamentally changing the way people learn, creating an enormous opportunity for education platforms. AI is expected to enable teaching quality comparable to a one-on-one tutor, combined with the engagement of a mobile game. The cost of AI inference has significantly decreased over the last couple of years, making advanced AI features more accessible. Additionally, social media algorithms, such as those on TikTok, have changed, making consistent virality harder to achieve for marketing efforts.	Where Things Are HeadedDuolingo is undergoing a strategic shift in 2026 to prioritize user growth over short-term bookings and profitability, aiming to reaccelerate DAU growth after deceleration in 2025. The plan for 2026 focuses on teaching languages better, improving the free user experience, and investing in new growth engines like math, music, and chess. The company expects slower bookings growth (10-12%) and lower adjusted EBITDA margins (around 25%) for 2026, with R&D and sales and marketing spend outpacing revenue growth. Duolingo plans to experiment with monetization strategies that add value rather than friction, including direct ad sales and in-app purchases for avatars. The company will also scale advanced content for its top 9 languages to Duolingo score 129 and introduce 'speaking adventures' mid-year.	Updates On Theme**Data	Broader Themes EmergingThe transcript highlights the broader theme of AI-driven transformation in education, where AI is expected to fundamentally change learning methods and significantly improve teaching quality, making it comparable to one-on-one tutoring while being as engaging as a mobile game. Another emerging theme is the shift in monetization strategies for freemium models, moving away from friction-based approaches towards value-added features and alternative revenue streams like direct ad sales and in-app purchases, as AI reduces the cost of delivering premium experiences.	Bullish-Leaning Quotes (Short)2025 was another strong year for Duolingo. For the first time, we surpassed 50 million daily active users, and that's more than 5x as many as we had when we IPO-ed in 2021. We also delivered over 1 billion in bookings and more than $300 million in adjusted EBITDA. I'm more convinced than ever that the accelerating advances in AI will fundamentally change the way people learn. This creates an enormous opportunity for us. We are the most popular education app in the world by a margin, and we intend to lead this shift. Our medium-term goal is to reach 100 million daily active users in 2028. The size and scale of the market opportunity ahead is massive. I believe that this year, we're going to have the best tutor app for math. chess has grown quite a bit... we have about 7 million daily active users in chess and this is less than a year after we launched. we have about 85% of the daily active users of language learning apps in the world. this business can have tremendous scale even at the size we're at today, and we think we can be a lot bigger.	Bearish-Leaning Quotes (Short)DAU growth over the past several years has been nothing short of phenomenal, it decelerated throughout 2025, and as the new year began, we continued seeing this trend. We now expect DAU growth to be about 20% year-over-year throughout 2026. in the short term, the short-term implication is that this year, we'll see slower bookings growth and lower profitability as captured in our guide. we are investing in 2026. As a result, we expect that R&D and sales and marketing spend growth will outpace revenue growth. adjusted EBITDA margin to decline roughly 3 points sequentially in Q2. compared to a year ago, it's not quite the same. we got ourselves into an interesting situation where both Duolingo is undermonetized and overmonetized at the same time. we have not yet seen an acceleration in DAUs that we think is like, 'Oh my god, we're done.'	HiringGilian Munson has been welcomed as the new CFO, replacing Matt Skaruppa. The company does not anticipate needing to double its workforce or marketing spend to achieve its growth goals, suggesting a focus on scaling efficiently.

2026-02-26

About Expanding Eligible Market	About Competition	About The Broader Industry	Where Things Are Headed	Updates On Theme	Broader Themes Emerging	Bullish-Leaning Quotes (Short)	Bearish-Leaning Quotes (Short)	Hiring
About Expanding Eligible MarketDuolingo aims to expand its eligible market by focusing on new subjects like math, music, and chess, with a medium-term goal of reaching 100 million daily active users (DAUs) by 2028. The company believes there's a huge market potential for math, with about 1 billion people learning math globally, and expects Duolingo Math to be the best tutor app for math this year. Chess has already achieved 7 million DAUs less than a year after launch, becoming the second-largest chess platform. Duolingo also sees significant room for growth in existing markets, noting that U.S. penetration is only 2% of internet users, and even reaching this level in all countries would more than double current DAUs.	About CompetitionDuolingo is not currently concerned about competition, stating it holds about 85% of the daily active users among language learning apps globally, a share that has remained flat. The company dismisses concerns about AI translation tools or all-purpose chatbots, as users primarily use Duolingo for hobby learning or to genuinely learn English, and churn surveys do not indicate these as reasons for leaving. Duolingo also believes it's difficult for new competitors to emerge and scale due to its strong free product, huge distribution, and the complexity of replicating its sophisticated app. The company has observed hundreds of apps attempting to compete but failing to grow.	About The Broader IndustryThe accelerating advances in AI are fundamentally changing the way people learn, creating an enormous opportunity for education platforms. AI is expected to enable teaching quality comparable to a one-on-one tutor, combined with the engagement of a mobile game. The cost of AI inference has significantly decreased over the last couple of years, making advanced AI features more accessible. Additionally, social media algorithms, such as those on TikTok, have changed, making consistent virality harder to achieve for marketing efforts.	Where Things Are HeadedDuolingo is undergoing a strategic shift in 2026 to prioritize user growth over short-term bookings and profitability, aiming to reaccelerate DAU growth after deceleration in 2025. The plan for 2026 focuses on teaching languages better, improving the free user experience, and investing in new growth engines like math, music, and chess. The company expects slower bookings growth (10-12%) and lower adjusted EBITDA margins (around 25%) for 2026, with R&D and sales and marketing spend outpacing revenue growth. Duolingo plans to experiment with monetization strategies that add value rather than friction, including direct ad sales and in-app purchases for avatars. The company will also scale advanced content for its top 9 languages to Duolingo score 129 and introduce 'speaking adventures' mid-year.	Updates On Theme**Data	Broader Themes EmergingThe transcript highlights the broader theme of AI-driven transformation in education, where AI is expected to fundamentally change learning methods and significantly improve teaching quality, making it comparable to one-on-one tutoring while being as engaging as a mobile game. Another emerging theme is the shift in monetization strategies for freemium models, moving away from friction-based approaches towards value-added features and alternative revenue streams like direct ad sales and in-app purchases, as AI reduces the cost of delivering premium experiences.	Bullish-Leaning Quotes (Short)2025 was another strong year for Duolingo. For the first time, we surpassed 50 million daily active users, and that's more than 5x as many as we had when we IPO-ed in 2021. We also delivered over 1 billion in bookings and more than $300 million in adjusted EBITDA. I'm more convinced than ever that the accelerating advances in AI will fundamentally change the way people learn. This creates an enormous opportunity for us. We are the most popular education app in the world by a margin, and we intend to lead this shift. Our medium-term goal is to reach 100 million daily active users in 2028. The size and scale of the market opportunity ahead is massive. I believe that this year, we're going to have the best tutor app for math. chess has grown quite a bit... we have about 7 million daily active users in chess and this is less than a year after we launched. we have about 85% of the daily active users of language learning apps in the world. this business can have tremendous scale even at the size we're at today, and we think we can be a lot bigger.	Bearish-Leaning Quotes (Short)DAU growth over the past several years has been nothing short of phenomenal, it decelerated throughout 2025, and as the new year began, we continued seeing this trend. We now expect DAU growth to be about 20% year-over-year throughout 2026. in the short term, the short-term implication is that this year, we'll see slower bookings growth and lower profitability as captured in our guide. we are investing in 2026. As a result, we expect that R&D and sales and marketing spend growth will outpace revenue growth. adjusted EBITDA margin to decline roughly 3 points sequentially in Q2. compared to a year ago, it's not quite the same. we got ourselves into an interesting situation where both Duolingo is undermonetized and overmonetized at the same time. we have not yet seen an acceleration in DAUs that we think is like, 'Oh my god, we're done.'	HiringGilian Munson has been welcomed as the new CFO, replacing Matt Skaruppa. The company does not anticipate needing to double its workforce or marketing spend to achieve its growth goals, suggesting a focus on scaling efficiently.

Notes3 rows

Date	Comment	Comment Type	Comment Sentiment	Link	Price Reaction
2025-08-06	Beat on users and revenue; raised FY25 guide. Energy mechanic, Super strength offset slower Max and DET. Shares jumped post-print, then faded as US DAU concerns, social-media reset, and uncertain Max China timing tempered enthusiasm. Duocon on 9/16.	Earnings Transcript	Mixed		+8.82% (vs SPY: +7.35%)
2026-02-26	Duolingo reported strong Q4 2025 results but announced a strategic pivot prioritizing user growth and free AI features over near-term monetization, targeting 100M DAU by 2028. This led to weaker 2026 guidance for bookings (10-12% growth) and adjusted EBITDA margins (~25%). The market reacted sharply negative, with shares plunging 14-24% over two days, as investors and analysts expressed concern over the trade-off between engagement and immediate profitability. A $400M buyback was also authorized.	Other	Neutral	https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQGWPrhEIzup0HaCNHDlStxMUrzMilPAgUOTZ6r7S-BgqbYHd_QTtSBaijMGTj5GqBbYr_oN2YQwMx7v9svvHwJciw9rzE2nLxQMvlCe_OwqZR_tpYFHNRHgod1juaIgX1XHr3eggOGA2-EWZI4FOZPoNGU9Ru_p69_2zH32u0xzT0NiKUaPFTahXdwwjQQYdqocqmWdf3bn99aQXOxC66oDdlPYis57pOlkKBdg6p6pd1HvJW31zVCeGtqYaa6uzgQNTiU	Deferred (realtime snapshot stale)
2026-08-05	Duolingo reported strong Q2 DAU acceleration (23% YoY) and record user retention, raising its adjusted EBITDA outlook to 26.5% due to AI cost savings. Despite this, the stock underperformed SPY by -3.69% (t+2 days), indicating market concern over maintained bookings guidance (prioritizing user growth over immediate monetization) and ongoing monetization strategy uncertainties like the Max tier's future and the new Super Lite tier.	Earnings Transcript	Neutral		-3.27% (vs SPY: -3.69%)

Upcoming Events4 rows

Catalyst ID	Estimated Timing	Estimated Date Start	Estimated Date End	Catalyst	Why It Matters	Ticker Or Theme Specific	Transcript Date	Source Type
DUOL_b98c1b6b	Q4 DAU growth is 25% or higher and would be paid out during Q1	2026-10-01	2026-12-31	Achievement of 25% or higher Daily Active User (DAU) growth in Q4 2026, triggering an internal bonus plan for management.	This milestone directly aligns with Duolingo's strategic priority of aggressive user growth, signaling strong product engagement and potential for future monetization.	Ticker	2026-08-05	earnings_transcript
DUOL_a559fedb	this year	2026-09-03	2026-12-31	Duolingo Math achieving recognition as the 'best tutor app for math' for K-12 students.	This would validate Duolingo's expansion into new subject areas and its ability to capture a significant market share in educational tutoring, contributing to overall DAU growth and diversification.	Ticker	2026-08-05	earnings_transcript
DUOL_b8221c4f	late in the year (2026) for modest returns, more and more as we move into '27 and '28 for significant acceleration	2026-10-01	2027-12-31	Reacceleration of Daily Active User (DAU) growth beyond the 20% year-over-year guided for 2026, driven by product improvements in language teaching, free user experience, and new subjects.	Successful reacceleration is crucial for achieving the medium-term goal of 100 million DAUs by 2028, leading to significantly higher bookings and profit. Failure to reaccelerate could negatively impact long-term valuation and investor sentiment.	Ticker	2026-02-26	earnings_transcript
DUOL_a28ef623	over the course of this year	2026-03-01	2026-12-31	Rollout and A/B testing of AI features, specifically Video Call, into Super Duolingo, potentially with metered access.	This strategic shift aims to broaden access to advanced AI features, potentially increasing Super Duolingo subscriptions and retention. However, it carries the risk of cannibalizing higher-priced Max subscriptions, impacting overall bookings and average revenue per user (ARPU).	Ticker	2026-02-26	earnings_transcript