Duolingo more than doubled its paid subscriber base last year, according to its last quarterly update.

So far, the broader purview appears to be resonating. It recently raised $8 million in its Series A. Plus, it doesn’t hurt that there appears to be some executive buy-in to the concept overall: Duolingo chief business officer Bob Meese is an investor in Trala, a tech company that offers virtual violin lessons. And that’s how Duolingo differentiates itself: It focuses on building blocks, instead of specific mastery, as a way to learn a skill. Language, math and music in Duolingo all require users to know the basics. The company also launched Duolingo ABC during the pandemic, which is a free app focused on English literacy for kids ages 3 to 6. For example, The Duolingo English Test, which spun out from a hackathon project in 2014, is an online certification exam that tests language proficiency. The job listing suggests that the app will teach basic concepts in music theory using popular songs and teachers.ĭuolingo has slowly grown beyond language learning into several auxiliary new projects that may represent significant revenue streams in the years to come. The company also posted a job that was soliciting a freelance music composition and curricular consultant, but the company is no longer accepting applications for that position. The Pittsburgh-based tech company currently has a small team working on a music product and is hiring a learning scientist who is an “expert in music education who combines both theoretical knowledge of relevant learning science research and hands-on teaching experience,” according to a job posting listed on Duolingo’s career page. Duolingo, a language learning app with over 500 million users, is working on a music app, TechCrunch has learned.

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