Duolingo Surpasses 50M Users and $1B Revenue in 2025
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Feb 15 2026
0mins
Source: Fool
- User and Revenue Growth: Duolingo surpassed 50 million daily active users and $1 billion in annual revenue in 2025, demonstrating strong market demand and a solid user base, further solidifying its leadership in the language learning market.
- Profitability Improvement: With an increase in paid subscribers and gross margins exceeding 70%, Duolingo's profitability has significantly strengthened, indicating the sustainability of its business model and attracting more investor interest.
- Stability of Growth: Although user growth is moderating, maintaining annual revenue growth above 20% would enhance the company's profitability, reflecting its successful transition from a high-growth app to a stable subscription platform.
- Product-Driven Growth: Duolingo's growth relies primarily on its product's natural appeal rather than aggressive marketing spending, making this product-led growth model more sustainable and reducing the risk of user attrition due to promotional activities.
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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: 127.570
Low
160.00
Averages
260.36
High
330.00
Current: 127.570
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.
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- High Demand Options: Notably, the $590 strike call option has seen 3,151 contracts traded today, representing around 315,100 underlying shares, indicating strong market expectations for the stock's future appreciation.
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See More
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- Duolingo's Growth Potential: In FY 2025, Duolingo reported revenue of $1 billion, reflecting a robust growth rate of approximately 38.7%, although its high customer concentration of 82% poses certain risks to its business model.
- Zeta Global's Market Performance: Zeta Global achieved nearly $1.3 billion in revenue for FY 2025, representing a year-over-year growth of about 29.7%, despite incurring a net loss of approximately $31.5 million, indicating both potential and challenges in the AI marketing sector.
- Financial Health Comparison: As of December 2025, Duolingo's current ratio stood at 2.6, showcasing strong short-term debt repayment capability, while Zeta Global maintained a current ratio of 1.6, reflecting its solid position regarding short-term liabilities.
- Risks and Opportunities: Duolingo faces revenue concentration risks from Apple and Alphabet, while Zeta Global must navigate high customer concentration and evolving data privacy regulations, requiring investors to weigh the risks against potential returns.
See More
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- Profitability Analysis: Duolingo's net income was approximately $414.1 million, with a net margin of about 39.9%, showcasing its strong profitability; in contrast, Zeta Global reported a net loss of roughly $31.5 million, resulting in a net margin of -2.4%, indicating it has yet to achieve full-year profitability.
- Customer Concentration Risks: Duolingo relies on Apple and Alphabet for 82% of its revenue, while Zeta Global's top 10 customers account for over one-third of its total revenue, presenting potential financial risks for both companies, especially amid increasing market competition.
- Market Valuation Discrepancy: Despite both companies having market caps around $5 billion, Zeta Global trades at a significantly lower multiple than Duolingo, reflecting a conservative market outlook on its future profitability while also hinting at potential growth opportunities in the digital marketing space.
See More
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- Stock Recovery: Duolingo's stock has rallied over 20% in the past month, despite a more than 70% decline over the past year, indicating that investor interest in the current low price could signal a positive shift, potentially attracting more long-term investors.
- Course Expansion: Duolingo is not only focused on language learning but has also expanded into high-demand skills like chess, with the number of courses launched reaching 20,500 in Q1 2023, significantly up from an average of 7,100 per quarter in 2025, which will enhance user engagement and expand market share.
- Financial Growth: Despite a revenue growth rate decline from 40% to 27%, Duolingo achieved a 24% year-over-year net income growth in Q1, demonstrating the cost efficiency of its AI investments while maintaining a double-digit profit margin, indicating potential for sustainable growth.
- Long-Term Vision: Duolingo aims to reach 100 million daily active users by 2028; although short-term revenue growth is slowing, the freemium model will provide more opportunities to increase average revenue per user in the future, driving long-term financial growth.
See More
Duolingo Expands Course Offerings to Boost User Growth
- User Growth Target: Duolingo aims to reach 100 million daily active users by 2028, seeking to reignite revenue growth through course expansion and enhanced subscription plans, despite a current stock price decline of over 70%.
- Course Content Expansion: The company utilized AI to publish 20,500 course units in Q1, nearly 11 times the 1,800 units per quarter in 2024, significantly increasing user options and driving revenue and net income growth.
- Financial Performance: Duolingo achieved a 27% revenue growth and a 24% net income growth in Q1, showing a slowdown compared to over 40% last year, yet maintaining a double-digit profit margin, indicating the cost efficiency of its AI investments.
- Subscription Service Improvement: By introducing a subscription-only video call feature, Duolingo doubled the average number of words spoken per user, enhancing the willingness to pay and supporting future revenue growth.
See More
