Duolingo
Learn languages, chess, math, and more through quick, personalized lessons designed to build skills and support a regular learning habit.
What is Duolingo?
Duolingo offers bite-sized courses in languages, chess, math, and other subjects. Lessons use points, levels, challenges, and reminders to help learners stay motivated and form a consistent study habit. Language courses develop reading, writing, listening, and speaking skills using research-backed teaching methods. Lessons are personalized with AI and language science to match each learner’s level and pace. Duolingo is available on the web and through Android and iOS apps. The site also includes products for schools and businesses, plus the Duolingo English Test for certifying English proficiency.
Key features
Provides bite-sized lessons where learners earn points and unlock new levels.
Offers courses designed to teach reading, writing, listening, and speaking skills.
Includes game-like features, challenges, and mascot reminders to encourage habit formation.
Personalizes lessons using AI to adapt learning to the user's specific level and pace.
Provides an online English test integrating AI and assessment science to evaluate English proficiency.
Latest from the Duolingo blog
- Nov 10, 2026Dear Duolingo: Why don’t we all speak the same language?Read
- Nov 5, 20268 words that look like cognates but aren’tRead
- Nov 4, 2026We tried “Claude, fix this bug”—here’s what actually workedRead
- Nov 2, 20265 ways to improve engineering velocityRead
- Oct 29, 2026Don’t get spooked: taboos and the scariest words in the world!Read