# Calculation -Brain training-

> Calculation -Brain training- (iPhone/iPad app by Ryohei Tsuyuki.)

- Source: https://appshunter.io/ios/app/calculation-brain-training/id1603016593 (this page in markdown: same URL + `.md`)
- Developer: [Ryohei Tsuyuki](https://appshunter.io/developer/1554469780)
- Category: Games, Education, Casual, Board
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0 · 103 MB
- Languages: English
- Released: 2022-01-05
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/calculation-brain-training/id1603016593/reviews.md

## What is Calculation?

■ Brain training speed calculation
This application is a game that answers the computational problems (addition, subtraction, multiplication, division).
It may be possible to expect an increase in calculation speed and activation of the brain.

If you can answer quickly, you will get more points, and you can compete with people all over the world for the points you have collected.


## Version history (last 1 release)

### 1.0 — 2022-01-06

No release notes.

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## More apps by Ryohei Tsuyuki

- [Elf-Fight](https://appshunter.io/ios/app/elf-fight/id1554469777)
- [Hit and Blow -Color Guessing-](https://appshunter.io/ios/app/hit-and-blow-color-guessing/id1564635924)
- [オールジャンルクロスワード](https://appshunter.io/ios/app/id1638446194)

All apps by Ryohei Tsuyuki: https://appshunter.io/developer/1554469780

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*