Stories is available on the French, Spanish, German, Italian, Portuguese, and Japanese courses for English speakers and some of the English courses with more languages in development.ĭuolingo plus is a paid membership feature and Duolingo teaches some endangered languages such as Hawaiian. In 2021, Duolingo became a publicly-traded company using the Nasdaq symbol DUOL.ĭuolingo provides "Duolingo for Schools" with features designed to allow teachers to track students' progress.Duolingo had a revenue of $1 million in 2016, $13 million in 2017, $36 million in 2018, and was projected to hit $86 million in 2019.
Duolingo originally achieved this by teaching its users a foreign language to a point where they could begin translating complex sentences and then would charge companies for these translation services, though this approach was later removed.The company uses a freemium model: the app and the website are accessible without charge, although Duolingo also offers a premium service for a fee.Duolingo is an American language-learning website and mobile app, as well as a digital language proficiency assessment exam.
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