랭킹구구단 app for iPhone and iPad

4.8 ( 5088 ratings )

Education
Developer: HYEMIN LEE

Free

Current version: 1.1.2, last update: 1 year ago
First release : 25 Nov 2020
App size: 63.2 Mb

* Study multiplication tables
* Scores accumulate every time you solve a problem
* Rank with users around the world with weekly accumulated scores