Duolingo(DUOL) - 2025 Q4 - Annual Report

User Engagement and Growth - As of December 31, 2025, Duolingo has over 130 million monthly active users and offers more than 250 language courses[27] - Approximately 9% of monthly active users are paid subscribers, with significant growth in subscriber penetration since the launch of the paid subscription in 2017[32] - Duolingo learners complete nearly 2 billion exercises daily, contributing to what is believed to be the world's largest learning dataset[30] - As of December 31, 2025, Duolingo had approximately 43 million daily active users with a 7-day streak or longer, and about 15 million daily active users with a 365-day streak or longer[36] - The Duolingo App offers over 250 language courses to more than 130 million monthly active users, making it the top-grossing app globally in the Education category[41] - Nearly 2 billion exercises are completed daily on the Duolingo platform, contributing to the world's largest collection of language-learning data[44] - Duolingo's growth strategy is supported by a learning flywheel that leverages user data to enhance product efficacy and engagement[33] - The company runs hundreds of A/B tests on new product features each quarter to optimize learner engagement and improve core business metrics like daily active users and paid subscribers[44] Product Offerings and Innovations - New product offerings include Math, Music, and Chess courses, expanding the platform's educational scope beyond language learning[35] - The company utilizes AI-driven features such as Roleplay and Explain My Answer to enhance learning experiences and improve engagement[31] - Duolingo Max, launched in 2023, is a premium subscription tier that provides additional AI-powered features to enhance the learning experience[43] - The Duolingo English Test is accepted by over 6,100 education programs worldwide, including 24 of the top 25 U.S. undergraduate programs ranked by international enrollment[34] - The Duolingo English Test, launched in 2016, is a computer-adaptive assessment used for university admissions, which can be completed in less than an hour[45] - Duolingo for Schools and Duolingo ABC are initiatives aimed at enhancing structured learning environments and teaching early literacy skills, respectively[46] Market Position and Strategy - The online language learning market is projected to reach approximately $123 billion by 2027, indicating a substantial growth opportunity[26] - Duolingo's freemium model allows users to access content for free, with monetization through paid subscriptions for additional features[32] - Duolingo's freemium model has led to a leading market position, competing with various online and offline language learning options[52] - The company's marketing strategy includes geographic expansion, targeting high-quality user segments, and leveraging brand awareness through organic and paid channels[54] Financial Position and Risks - As of December 31, 2025, the company had $880.5 million in cash equivalents and $239.2 million in investments primarily in corporate debt securities and U.S. Treasury securities[362] - A hypothetical 10% relative change in interest rates would not have a material impact on the company's consolidated financial statements[362] - The company's reporting currency is the U.S. dollar, and fluctuations in foreign currency exchange rates may adversely affect international receipts and operating results[363] - A hypothetical 10% increase or decrease in the relative value of the U.S. dollar to other currencies would not have a material effect on the company's operating results[363] - Inflationary factors have not had a material effect on the company's business or financial condition to date, but significant inflation could adversely affect results[364] - The company faces risks related to user retention, competition, and the accuracy of its operating metrics, which could impact financial performance[19] Data Protection and Compliance - The company emphasizes strict data protection and privacy standards, committing to not sell personal data to outside parties[44] - The company is subject to various data protection laws, including GDPR in the EEA and U.K., which impose strict compliance requirements[62] - The Brazilian General Data Protection Law imposes requirements similar to GDPR for services offered to users in Brazil[63] - The company may be subject to China's Cybersecurity Law and Personal Information Protection Law, which impose new privacy and data security obligations[64] - The company employs age-gating procedures for users under 13 in compliance with COPPA and similar foreign laws[61] - The company does not enter into investments for trading or speculative purposes, focusing instead on working capital and future product investments[362]