Key numbers
1M+Installs
4.7 / 1.4KRating
Jul 3, 2017Released
Sep 14, 2026Updated
Chart positions by country
In 1 countries, 1 charts, best position #91 (snapshot Oct 23, 2026).
| Country | Chart | Rank |
|---|---|---|
| South Korea | Education · free | #91 |
Markets where it is offered
Offered in 242 countries: effectively worldwide.
