Duolingo Then and Now
Duolingo is 11 years old
How Duolingo looked like and how it is now:
Duolingo is an American language-learning website and mobile app, as well as a digital language-proficiency assessment exam. The company uses the freemium model; the app and the website are accessible without charge, although Duolingo also offers a premium service for a fee.
As of 13 October 2020, the language-learning website and app offered 98 different language courses in 38 languages. The app has over 300 million registered users across the world.