The best app to start your journey is Duolingo. Its generous free version features engaging lessons that cover a variety of topics, and since those lessons work like a collection of minigames ...

Duolingo was part of a free education wave that hit the internet in the early 2010s, as entrepreneurs saw the tools of the web and mobile to as a way to open up entrenched institutions to the masses.

U.S.-based TikTok users are flocking to Duolingo to study Mandarin, recognizing the increasing relevance of Chinese platforms in the digital landscape. In response to this cultural moment ...