Key numbers
1M+Installs
3.8 / 102KRating
Aug 12, 2013Released
Oct 22, 2026Updated
Chart positions by country
In 4 countries, 4 charts, best position #4 (snapshot Oct 23, 2026).
| Country | Chart | Rank |
|---|---|---|
| Austria | Education · free | #4 |
| Germany | Education · free | #5 |
| Switzerland | Education · free | #83 |
| Ukraine | Education · free | #196 |
Markets where it is offered
Offered in 242 countries: effectively worldwide.
