Key numbers
1K+Installs
4.8 / 98Rating
Oct 28, 2013Released
Sep 1, 2026Updated
Chart positions by country
In 1 countries, 1 charts, best position #70 (snapshot Oct 23, 2026).
| Country | Chart | Rank |
|---|---|---|
| South Korea | Education · free | #70 |
Markets where it is offered
Offered in 239 countries: effectively worldwide.
