레슨북 - 레슨에 관한 모든 기능을 하나로!
com.pointbank.lessonbook
FreeEveryone
Key numbers
5K+Installs
n/aRating
Jan 18, 2021Released
Sep 16, 2026Updated
Chart positions by country
In 1 countries, 1 charts, best position #56 (snapshot Oct 23, 2026).
| Country | Chart | Rank |
|---|---|---|
| South Korea | Education · free | #56 |
Markets where it is offered
Offered in 242 countries: effectively worldwide.
