Duolingo Hits 135 Million Users, AI Drives 40% Revenue Growth
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jan 12 2026
0mins
Should l Buy DUOL?
Source: NASDAQ.COM
- Significant User Growth: As of Q3 2025, Duolingo boasts 135.3 million monthly active users, a 20% increase year-over-year, indicating that its mobile-first learning approach and gamified experience effectively attract more users, enhancing its competitive edge.
- Substantial Revenue Increase: Duolingo generated $754.7 million in revenue during the first three quarters of 2025, marking a 40% year-over-year growth, with expectations to surpass $1 billion in total revenue for the year, showcasing its strong growth potential in the digital language education market.
- Surge in Subscription Users: By the end of Q3, Duolingo's paying subscriber base reached 11.5 million, up 34% year-over-year, indicating that new AI-driven features like Roleplay and Video Call are successfully enticing users to pay for enhanced learning experiences.
- Analysts Optimistic on Outlook: According to The Wall Street Journal, 13 out of 26 analysts covering Duolingo have assigned a buy rating, with an average price target of $266.22, suggesting a potential 55% upside in the stock price over the next 12 to 18 months, reflecting strong market confidence in its long-term growth.
Trade with 70% Backtested Accuracy
Stop guessing "Should I Buy DUOL?" and start using high-conviction signals backed by rigorous historical data.
Sign up today to access powerful investing tools and make smarter, data-driven decisions.
Analyst Views on DUOL
Wall Street analysts forecast DUOL stock price to rise
17 Analyst Rating
10 Buy
6 Hold
1 Sell
Moderate Buy
Current: 112.460
Low
160.00
Averages
260.36
High
330.00
Current: 112.460
Low
160.00
Averages
260.36
High
330.00
About DUOL
Duolingo, Inc. is a technology company. The Company is engaged in offering a mobile learning platform, as well as a digital English language proficiency assessment exam. It operates a freemium business model, namely, the app and the Website are accessible free of charge, although Duolingo also offers premium services for a subscription fee. Its solutions consist of the Duolingo App, Super Duolingo, Duolingo Max, Duolingo English Test: AI-Driven Language Assessment, Duolingo for Schools, and Duolingo ABC. The Duolingo App offers courses in over 40 different languages, including Spanish, English, French, German, Italian, Portuguese, Japanese and Chinese. Duolingo can also be accessed on desktop computers via a Web browser. Its subscription offering, Super Duolingo, offers learners additional features to enhance their learning experience. The Duolingo English Test is an online, on-demand, high-stakes English proficiency assessment. It also operates an animation and motion design studio.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
Duolingo Achieves Significant Milestones in 2025
- User Growth Milestone: In 2025, Duolingo surpassed 50 million daily active users and over 135 million monthly active users, indicating its transition from a niche app to one of the world's most engaged freemium platforms, enhancing user stickiness and market competitiveness.
- Revenue and Profitability Peaks: Duolingo achieved over $1 billion in annual revenue in 2025, with an adjusted EBITDA margin of 29.5%, showcasing its strong profitability in the consumer subscription sector and further solidifying its market position.
- AI-Driven Economic Benefits: The application of AI not only reduced content development costs but also increased average revenue per user (ARPU), encouraging more users to opt for higher-tier subscription plans, thereby driving revenue growth and operational efficiency.
- Stock Price Volatility Analysis: Despite significant performance improvements in 2025, Duolingo's stock price experienced volatility, primarily due to market adjustments in growth rate expectations and shifts in short-term investment priorities, reflecting a disconnect between strong operational results and stock performance.
See More
Duolingo Faces Strategic Risks Amid AI Competition
- Intensifying Market Competition: Duolingo faces competition from independent AI tools that leverage large language models for real-time conversation and grammar correction, potentially diminishing the perceived need for its paid subscriptions and impacting long-term revenue growth.
- User Engagement Fatigue: In mature markets, user engagement may decline due to prolonged use, particularly after reaching intermediate proficiency, which could flatten average lifetime value and adversely affect the company's profitability.
- Diversification Risks: While Duolingo has experimented with expanding its educational offerings to create optionality, aggressive expansion could dilute management focus and undermine the effectiveness of its core language learning engine, impacting overall business performance.
- Importance of Strategic Execution: In 2026, Duolingo faces not existential risks but strategic ones, requiring disciplined execution to protect its core advantages while navigating an evolving competitive landscape to maintain its market position.
See More
Duolingo's AI Strategy Enhances Profitability
- AI-Driven Product Improvement: In 2025, Duolingo launched AI-powered conversational tools within its premium subscription plans, significantly enhancing user engagement and driving growth in higher-tier subscriptions, indicating that AI not only boosts interactivity but may also improve long-term profitability.
- Cost Structure Optimization: Generative AI has shortened the development cycle for language courses, making content production more efficient and reducing marginal costs, which is expected to further enhance the company's gross margins and drive structural improvements in profitability.
- Pricing Power and User Retention: By introducing higher-priced Duolingo Max subscriptions, Duolingo has increased average revenue per user (ARPU), but the long-term economic benefits depend on stable user retention rates, prompting investors to monitor churn rates among premium plans.
- AI Cost Risks: While AI presents opportunities for Duolingo, the costs associated with computing infrastructure and model licensing may rise rapidly, and if these costs outpace revenue growth, margins could plateau, necessitating close attention from investors regarding this risk.
See More
Ten-Year Review: Performance of Five Stocks in a Bear Market
- Market Performance Comparison: Over the past decade, the S&P 500 has risen by 274.3%, while the average return of the five stocks stands at 568.5%, highlighting the potential and importance of stock selection during bear markets.
- Carter's Poor Performance: Carter's stock price fell from $85.04 to $38.07, a 55% decline, primarily due to a decreasing birth rate in the U.S. and a deteriorating retail environment, leading to insufficient demand and margin compression.
- Challenges for IPG Photonics: Although IPG Photonics' stock rose from $81.59 to $113.26, a 39% increase, it faced four consecutive years of declining revenue, indicating intensified industry competition and weak market demand.
- Mercado Libre's Success: Mercado Libre's stock skyrocketed from $87.71 to $2041.50, a staggering 2227.6% increase, driven by its dominant market position in Latin America and robust growth in e-commerce, providing substantial returns for investors.
See More
Duolingo Faces Strategic Risks and Challenges Ahead
- Increased Competitive Pressure: The rise of large language models providing real-time conversation, translation, and grammar correction poses a competitive threat to Duolingo, potentially weakening user reliance on its structured subscription model and impacting long-term profitability.
- Brand Fatigue Risk: In mature markets, user engagement may wane due to prolonged use, especially after reaching intermediate proficiency, which could flatten average lifetime value and hinder sustained growth potential for the company.
- Concerns of Overexpansion: Duolingo's ventures beyond core language learning may dilute focus; while diversification can create options, aggressive expansion could distract management and misallocate capital, affecting the execution of its primary business.
- Importance of Strategic Execution: Although Duolingo does not face existential risks in 2026, it must navigate strategic risks, and investors should monitor how the company protects its core advantages amidst evolving competitive landscapes to ensure long-term market positioning.
See More
Duolingo's Strategic Transformation and Growth in 2025
- User Growth Milestone: In 2025, Duolingo surpassed 50 million daily active users and over 135 million monthly active users, marking its transition from a niche app to one of the world's most popular freemium platforms, significantly enhancing its market competitiveness.
- Revenue and Profit Expansion: Duolingo achieved over $1 billion in annual revenue in 2025, raising its full-year guidance to $1.028 billion to $1.032 billion, marking its first year above the billion-dollar threshold and demonstrating strong growth potential in the consumer subscription business.
- AI-Driven Economic Benefits: Artificial intelligence not only enhanced user experience but also improved profitability by lowering content development costs and increasing average revenue per user (ARPU), positioning Duolingo favorably among high-growth tech companies with the ability to invest continuously.
- Market Volatility and Investment Outlook: Despite strong operational results in 2025, Duolingo's stock price experienced significant volatility, reflecting the market's heightened focus on future growth expectations, prompting investors to assess the long-term compounding potential of its business model against short-term risks.
See More
Duolingo Achieves Significant Milestones in 2025
- User Growth Milestone: In 2025, Duolingo surpassed 50 million daily active users and over 135 million monthly active users, indicating its transition from a niche app to one of the world's most engaged freemium platforms, enhancing user stickiness and market competitiveness.
- Revenue and Profitability Peaks: Duolingo achieved over $1 billion in annual revenue in 2025, with an adjusted EBITDA margin of 29.5%, showcasing its strong profitability in the consumer subscription sector and further solidifying its market position.
- AI-Driven Economic Benefits: The application of AI not only reduced content development costs but also increased average revenue per user (ARPU), encouraging more users to opt for higher-tier subscription plans, thereby driving revenue growth and operational efficiency.
- Stock Price Volatility Analysis: Despite significant performance improvements in 2025, Duolingo's stock price experienced volatility, primarily due to market adjustments in growth rate expectations and shifts in short-term investment priorities, reflecting a disconnect between strong operational results and stock performance.
See More
Duolingo Faces Strategic Risks Amid AI Competition
- Intensifying Market Competition: Duolingo faces competition from independent AI tools that leverage large language models for real-time conversation and grammar correction, potentially diminishing the perceived need for its paid subscriptions and impacting long-term revenue growth.
- User Engagement Fatigue: In mature markets, user engagement may decline due to prolonged use, particularly after reaching intermediate proficiency, which could flatten average lifetime value and adversely affect the company's profitability.
- Diversification Risks: While Duolingo has experimented with expanding its educational offerings to create optionality, aggressive expansion could dilute management focus and undermine the effectiveness of its core language learning engine, impacting overall business performance.
- Importance of Strategic Execution: In 2026, Duolingo faces not existential risks but strategic ones, requiring disciplined execution to protect its core advantages while navigating an evolving competitive landscape to maintain its market position.
See More
Duolingo's AI Strategy Enhances Profitability
- AI-Driven Product Improvement: In 2025, Duolingo launched AI-powered conversational tools within its premium subscription plans, significantly enhancing user engagement and driving growth in higher-tier subscriptions, indicating that AI not only boosts interactivity but may also improve long-term profitability.
- Cost Structure Optimization: Generative AI has shortened the development cycle for language courses, making content production more efficient and reducing marginal costs, which is expected to further enhance the company's gross margins and drive structural improvements in profitability.
- Pricing Power and User Retention: By introducing higher-priced Duolingo Max subscriptions, Duolingo has increased average revenue per user (ARPU), but the long-term economic benefits depend on stable user retention rates, prompting investors to monitor churn rates among premium plans.
- AI Cost Risks: While AI presents opportunities for Duolingo, the costs associated with computing infrastructure and model licensing may rise rapidly, and if these costs outpace revenue growth, margins could plateau, necessitating close attention from investors regarding this risk.
See More
Ten-Year Review: Performance of Five Stocks in a Bear Market
- Market Performance Comparison: Over the past decade, the S&P 500 has risen by 274.3%, while the average return of the five stocks stands at 568.5%, highlighting the potential and importance of stock selection during bear markets.
- Carter's Poor Performance: Carter's stock price fell from $85.04 to $38.07, a 55% decline, primarily due to a decreasing birth rate in the U.S. and a deteriorating retail environment, leading to insufficient demand and margin compression.
- Challenges for IPG Photonics: Although IPG Photonics' stock rose from $81.59 to $113.26, a 39% increase, it faced four consecutive years of declining revenue, indicating intensified industry competition and weak market demand.
- Mercado Libre's Success: Mercado Libre's stock skyrocketed from $87.71 to $2041.50, a staggering 2227.6% increase, driven by its dominant market position in Latin America and robust growth in e-commerce, providing substantial returns for investors.
See More
Duolingo Faces Strategic Risks and Challenges Ahead
- Increased Competitive Pressure: The rise of large language models providing real-time conversation, translation, and grammar correction poses a competitive threat to Duolingo, potentially weakening user reliance on its structured subscription model and impacting long-term profitability.
- Brand Fatigue Risk: In mature markets, user engagement may wane due to prolonged use, especially after reaching intermediate proficiency, which could flatten average lifetime value and hinder sustained growth potential for the company.
- Concerns of Overexpansion: Duolingo's ventures beyond core language learning may dilute focus; while diversification can create options, aggressive expansion could distract management and misallocate capital, affecting the execution of its primary business.
- Importance of Strategic Execution: Although Duolingo does not face existential risks in 2026, it must navigate strategic risks, and investors should monitor how the company protects its core advantages amidst evolving competitive landscapes to ensure long-term market positioning.
See More
Duolingo's Strategic Transformation and Growth in 2025
- User Growth Milestone: In 2025, Duolingo surpassed 50 million daily active users and over 135 million monthly active users, marking its transition from a niche app to one of the world's most popular freemium platforms, significantly enhancing its market competitiveness.
- Revenue and Profit Expansion: Duolingo achieved over $1 billion in annual revenue in 2025, raising its full-year guidance to $1.028 billion to $1.032 billion, marking its first year above the billion-dollar threshold and demonstrating strong growth potential in the consumer subscription business.
- AI-Driven Economic Benefits: Artificial intelligence not only enhanced user experience but also improved profitability by lowering content development costs and increasing average revenue per user (ARPU), positioning Duolingo favorably among high-growth tech companies with the ability to invest continuously.
- Market Volatility and Investment Outlook: Despite strong operational results in 2025, Duolingo's stock price experienced significant volatility, reflecting the market's heightened focus on future growth expectations, prompting investors to assess the long-term compounding potential of its business model against short-term risks.
See More
