Duolingo

Duolingo, Inc. is an American educational technology company that produces learning apps and provides language certification. Duolingo offers courses on 42 languages, ranging from English, French, and Spanish to... Wikipedia

• Type of business:  Public
• Founded:  2011
• Area served:  Worldwide
• Founder(s):  Luis von Ahn, Severin Hacker
• Key people:  Luis von Ahn (CEO), Severin Hacker (CTO)
• Industry:  Online education
• Products:  Duolingo, Duolingo ABC, Duolingo English Test
• Services:  Language, music, chess, and math courses and language assessment.
• Employees:  ≈ 830 (December 2024)
• Website:  duolingo.com
• Advertising:  Yes
• Registration:  Yes
• Users:  130 million MAU (Q1 2025)
• Launched:  November 27, 2011 (private beta), June 19, 2012 (public release)
• Current status:  Online
• Native client(s) on:  Android, iOS, iPadOS
• Data source:  DuckDuckGo