Still, it's free to use, fun in a quirky way, and extremely easy to get started. For about a year, I used Duolingo’s language-learning app religiously, cruising my way through 60% of the German ...

While millions of children around the world stuck inside as a result of the COVID-19 pandemic, Duolingo’s newest app couldn’t have come at a better time. It boasts more than 300 lessons — all ...