Duolingo ' is free to use, but you can take a large number of lessons, and it has been attracting attention for its highly gamified system and unique notification messages. Most of Duolingo's users ...

If you wanted to learn a language this year, you may have turned to the popular language-learning app Duolingo. Now, you can see how well you performed in your learning journey with Duolingo's year in ...

The language-learning app with more than 100 million users has embraced artificial intelligence but has also faced consumer backlash for it. By Jordyn Holman Reporting from Duolingo’s Pittsburgh ...