Key numbers
5M+Installs
3.2 / 22KRating
Jul 5, 2013Released
Oct 26, 2026Updated
Chart positions by country
In 1 countries, 1 charts, best position #41 (snapshot Oct 23, 2026).
| Country | Chart | Rank |
|---|---|---|
| South Korea | Education · free | #41 |
Markets where it is offered
Offered in 240 countries: effectively worldwide.
