Language-learning app Duolingo makes around $500 million annually, despite offering all of its lessons for free. WSJ explores how the company is using AI and A/B testing to keep users hooked.

Its user-friendly design and adaptive learning approach ... The post How to Fix a Duolingo App That Looks Old & Sad in 2024 appeared first on Appuals.

Duo was fatally hit by a Tesla Cybertruck, the language-learning company announced this week. The snarky owl has been the ...

I’ve always wanted to be fluent in multiple languages, but at 27 years old with just ... been a casual Duolingo user since 2017, and the app’s user-friendly and playful design is one of ...