Free, fun, and effective courses in languages and more. Learn with quick, science-based lessons personalized to you.

With our free mobile app and web, everyone can Duolingo. Learn English with bite-size lessons based on science.

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Duolingo ABC was developed by a team of learning scientists, engineers, literacy specialists, illustrators, and parents who believe that kids who read will change the world.

Learning with Duolingo is fun, and research shows that it works! With quick, bite-sized lessons, you’ll earn points and unlock new levels while gaining real-world communication skills.

2.9M learners Chinese 2.86M learners English 2.79M learners Vietnamese 2.72M learners

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Learning + Curriculum Learning + Curriculum focuses on making Duolingo effective through learning science and pedagogical expertise. Business Business ensures we're growing at a …

Duolingo is the world's most popular way to learn a language. It's 100% free, fun and science-based. Practice online on duolingo.com or on the apps!