Chart standing · US
Not currently charting in this storefront.
Ratings breakdown · US
The star breakdown behind this app's rating in this storefront.
5★
92%
23
4★
8%
2
3★
0%
0
2★
0%
0
1★
0%
0
Screenshots
About
Challenge your limit of mental maths speed! HOW TO PLAY Answer 30 questions as fast as possible. FEATURE ・Various Modes 3 difficulty levels (EASY, NORMAL, HARD) 5 operations (ADD, SUB, MUL, DIV, MIX) ・World Ranking You can see your ranks at a glance. ・Self Ranking You can enjoy fighting with yourself. ・Simple Design You can focus on questions. ・Selectable Backgrounds You can change the background according to your mood.
What's new · 5.14
Fixed a bug related to auto-scrolling that occurred on iOS26.
Details
DeveloperYutaka Kamoto
ReleasedApr 2019
UpdatedSep 2025
Version5.14
Size6.7 MB
RequiresiOS 16.0 or later
Age rating4+
LanguagesEnglish, Japanese
PriceFree
Categories
Bundle IDjp.ne.ezweb.50288yutaka.app001