Duolingo Notifications: Persistent, Annoying, and Oh-So-Effective

Duolingo — the app that encourages users to learn languages by completing short daily lessons — has exploded in popularity since its founding in 2011. In that time, it’s built a uniquely offbeat online presence, as well as a reputation for persistent notifications and overt gamification.

The company’s latest earnings, released Wednesday, reported its 5th consecutive profitable quarter, with total bookings of ~$190 million and net income of over $24 million, a more than 6x increase on the same period a year prior. It also saw Duolingo hit a significant milestone: 100 million monthly active users (MAUs).

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