Duolingo is the world's largest language learning platform with over 300 million users.

Duolingo is the most popular way to learn a language online, with over 300 million users worldwide. It is the most downloaded app in the “Education” category on iTunes and Google Play, and has been selected by Apple as “iPhone App of the Year."

Duolingo’s mission is to make language education free and accessible to all. Its platform is free, designed to feel like a game and scientifically proven to be effective. In fact, an independent study by the City University of New York has shown that 34 hours on Duolingo is equivalent to a university semester of language classes.

Duolingo is available on the Web, Android, and iOS.

Founders:  Luis von Ahn, Severin Hacker