Duolingo is making a big change: it’s moving on from hearts in favor of a new “energy” mechanic. The idea is to switch from a ...

In late April and early May 2025, claims (archived) circulated online that Duolingo CEO Luis von Ahn said the language-learning app would become "AI-first" and replace contractors with artificial ...

Duolingo is on CNET's list of the best language learning apps, and on Monday the free version introduced a new Energy ...