Duolingo, Inc. is a language-learning website and mobile application, which engages in the development of a free language learning website and crowd sourced text translation platform. The company is headquartered in Pittsburgh, Pennsylvania and currently employs 830 full-time employees. The company went IPO on 2021-07-28. The firm is engaged in offering a mobile learning platform, as well as a digital English language proficiency assessment exam. The company operates a freemium business model, namely, the app and the Website are accessible free of charge, although Duolingo also offers premium services for a subscription fee. Its solutions consist of the Duolingo App, Super Duolingo, Duolingo Max, Duolingo English Test: AI-Driven Language Assessment, Duolingo for Schools, and Duolingo ABC. The Duolingo App offers courses in over 40 different languages, including Spanish, English, French, German, Italian, Portuguese, Japanese and Chinese. Duolingo can also be accessed on desktop computers via a Web browser. Its subscription offering, Super Duolingo, offers learners additional features to enhance their learning experience. The Duolingo English Test is an online, on-demand, high-stakes English proficiency assessment. The company also operates an animation and motion design studio.
