Category:Duolingo

Duolingo is an American educational technology company which produces learning apps and provides language certification.

On its main app, users can practice vocabulary, grammar, pronunciation and listening skills using spaced repetition. Duolingo offers over 100 total courses across over 40 distinct languages; including a small variety of constructed languages. The company uses a freemium model with over 500 million registered users. Duolingo offers a premium service which eliminates advertising and offers more features.

Duolingo also offers the Duolingo English Test certification program and a literacy app for children called Duolingo ABC, and the company released an elementary level math app called Duolingo Math currently exclusive to iOS.