Key numbers
1M+Installs
3.2 / 11KRating
Dec 22, 2014Released
Sep 6, 2026Updated
Chart positions by country
In 1 countries, 1 charts, best position #53 (snapshot Oct 23, 2026).
| Country | Chart | Rank |
|---|---|---|
| South Korea | Education · free | #53 |
Markets where it is offered
Offered in 242 countries: effectively worldwide.
