Key numbers
1M+Installs
4.4 / 397KRating
Nov 28, 2013Released
Oct 2, 2026Updated
Chart positions by country
In 161 countries, 161 charts, best position #1 (snapshot Oct 23, 2026).
| Country | Chart | Rank |
|---|---|---|
| Congo - Kinshasa | Education · free | #1 |
| Congo - Brazzaville | Education · free | #2 |
| Côte d’Ivoire | Education · free | #2 |
| Guinea | Education · free | #2 |
| Guatemala | Education · free | #2 |
| Mali | Education · free | #2 |
| Mauritania | Education · free | #2 |
| Niger | Education · free | #2 |
| Nicaragua | Education · free | #2 |
| Chad | Education · free | #2 |
| Togo | Education · free | #2 |
| Azerbaijan | Education · free | #3 |
Markets where it is offered
Offered in 242 countries: effectively worldwide.
