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About
You can practice mental arithmetic in 30 seconds. Train your math skills by doing more mental arithmetic. ■5 types of training - Addition - Subtraction - Multiplication - Split - mix ■Features - 30 seconds of intensive training - Personal best confirmation ■Credit SE -> OtoLogic (https://otologic.jp/) BGM -> Pocket Sound (https://pocket-se.info/)
What's new · 1.4.0
Compatible with iOS26. Library updated.
Details
DeveloperTomohiro Ohwada
ReleasedJan 2021
UpdatedOct 2025
Version1.4.0
Size8.3 MB
RequiresiOS 15.0 or later
Age rating4+
LanguagesEnglish, Japanese
PriceFree
Categories
Bundle IDcom.ooowwwddd.CalcTraining