Graph is from Yahoo finance: https://finance.yahoo.com/quote/DUOL/?guccounter=1
Reuters news article: https://www.reuters.com/business/finance/duolingo-prioritizes-user-growth-over-monetization-forecasts-softer-bookings-2026-02-26/
“The language-learning app has spent recent years fine-tuning monetization through more ads and subscription prompts, helping lift bookings per user. But that coincided with slower user growth.” Yes Reuters, that’s called enshittification.
That was the only good part about Duolingo. Volunteers spent thousands of hours explaining languages and grammar on the forums. Duolingo nuked all of that information.