| App | Category | Revenue ($M) | Users (M) | Launch Date | |
|---|---|---|---|---|---|
 |
Chegg | Education | 716 | 7.7 | December, 2007 |
 |
Busuu | Education | 50 | 140 | January, 2008 |
 |
Babbel | Education | 170 | 10 | January, 2008 |
 |
Memrise | Education | 21.5 | 65 | September, 2008 |
 |
Duolingo | Education | 531 | 74 | June, 2012 |
App Statistics
Revenue, usage and download statistics for the most popular apps and games
