Duolingo: product line by product line, from revenue to share price
The #1 language app — and a stock that fell from $410 to $148 as growth slowed
Duolingo is a free language-learning app that uses game mechanics to get people back every day; about 9% of monthly users pay for a subscription (Super, the AI tier Max, or Family), and the rest is advertising, the Duolingo English Test and in-app purchases. Its customers are individual learners worldwide — 140.6m monthly and 58.7m daily active users, 12.7m paying subscribers, and $1.04bn of r