About Duolingo, Inc.

Duolingo, Inc. is an education-technology company best known for its language-learning platform and mobile apps that offer bite-sized lessons gamified to increase engagement and retention. Founded in 2011, Duolingo provides courses in dozens of languages, along with companion products such as Duolingo ABC for children and the Duolingo English Test for convenient online English proficiency certification. The company’s mission is to make language education free, fun, and accessible to learners globally by leveraging data-driven instructional design, adaptive learning algorithms, and a strong mobile-first user experience. Duolingo operates a freemium model with paid subscriptions (Duolingo Plus) and testing services, and has grown into a widely recognized consumer education brand with a large international user base and a significant presence in both North America and Europe.