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Duolingo had revenue of $531 million in 2023, compared to $250.77 million in 2021, [100] $36 million in 2018, [101] $13 million in 2017, [45] and $1 million in 2016. In May 2022, it was reported that 6.8% of its monthly active users paid for the ad-free version of the app. [102]
Yes, signing up for Duolingo is free. The platform also offers a paid version called Super Duolingo, which includes no ads, personalized lessons and other features.
free audio, apps and downloads, sell optional books Colloquial by Routledge: 56: 1 (English) physical media: sell books and CDs Central Institute of Indian Languages: 47: 1 (English) physical media: sell books Duolingo: 43: 25 application or web: freemium with all learning features free Foreign Service Institute: 42: 1 (English) web: free
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Duolingo logo. In 2009, von Ahn and his graduate student Severin Hacker began to develop Duolingo, a language education platform. They founded a company of the same name, with von Ahn as chief executive officer and Hacker as chief technology officer. In November 2011, a private beta test of Duolingo was launched and the app was released to the ...
Through Duolingo, Hacker wants users to have the option to increase their 'stay-tuned quota' which involves adjusting the learning time and difficulty of the course. Another idea derived from Hacker's philosophy was to apply gamification to Duolingo. This was to apply game elements and principles instead of classroom learning tools to the ...