Duolingo
Freemium language-learning platform with 950M+ downloads and 50M daily active users
Duolingo Investor Relations – Company Strategy OverviewDuolingo, Inc. is a Pittsburgh, PA-based education technology company founded in 2011 by Luis von Ahn and Severin Hacker, both engineers from Carnegie Mellon University. Its stated mission is "to develop the best education in the world and make it universally available," grounded in the belief that unequal access to quality education is a primary driver of social inequality.
The company's flagship product is the Duolingo language-learning app, available on Android, iOS, Windows, and web. The platform offers 100+ courses across more than 40 languages and has surpassed 950 million downloads worldwide. Additional products include the Duolingo English Test, podcasts, stories, and a dictionary. Duolingo operates on a freemium model and runs 1,000+ A/B tests per quarter to continuously refine the user experience.
Duolingo went public on NASDAQ (ticker: DUOL) on July 28, 2021, at an implied valuation of approximately $3.7 billion. In 2024, the company generated roughly $748 million in revenue—about 40.8% year-over-year growth. As of Q3 2025, Duolingo surpassed 50 million daily active users (36% YoY growth) and crossed 10 million paid subscribers in Q1 2025, with 850+ employees.
As one of the world's largest language-learning platforms, Duolingo is highly relevant to innovations in AI-driven personalized education, gamification, and accessible digital learning tools.