# Brain teaser calculator

> Brain teaser calculator (iPhone/iPad app by Hideaki Uchikoshi.)

- Source: https://appshunter.io/ios/app/brain-teaser-calculator/id6499087643 (this page in markdown: same URL + `.md`)
- Developer: [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002)
- Category: Education, Medical
- Price: Free
- Age rating: 4+
- Requires: iOS 15.8.3 · 36 MB
- Languages: English, Japanese
- Released: 2024-04-21
- Data updated: 2026-07-29
- User reviews in markdown: https://appshunter.io/ios/app/brain-teaser-calculator/id6499087643/reviews.md

## What is Brain teaser calculator?

Calculator that can be used for brain exercises and mental arithmetic practice


## Version history (last 5 releases)

### 1.2.70 — 2026-07-28

・Fixes regarding advertisement display frequency, screen transitions etc.
・Bug fixes and performance improvements, Updates regarding internal processing

### 1.2.69 — 2026-07-18

・Fixes regarding advertisement display frequency, screen transitions etc.
・Bug fixes and performance improvements, Updates regarding internal processing

### 1.2.68 — 2026-05-27

・Fixes regarding advertisement display frequency, screen transitions etc.
・Bug fixes and performance improvements, Updates regarding internal processing

### 1.2.67 — 2026-04-27

・Fixes regarding advertisement display frequency, screen transitions etc.
・Bug fixes and performance improvements, Updates regarding internal processing

### 1.2.66 — 2026-03-28

・Fixes regarding advertisement display frequency, screen transitions etc.
・Bug fixes and performance improvements, Updates regarding internal processing

## Apps similar to Brain teaser calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Town of Carefree](https://appshunter.io/ios/app/town-of-carefree/id6497408192) | — | Free | Education |
| [プログラミング子供学習ドリル](https://appshunter.io/ios/app/id1523412556) | 4.8 (4) | Free | Education |
| [◆シニア向け◆　ボケ防止のためのもぐらたたき](https://appshunter.io/ios/app/id1158505581) | — | Free | Education |
| [Tobo: Learn Icelandic Words](https://appshunter.io/ios/app/tobo-learn-icelandic-words/id1520464225) | 4.7 (18) | Free | Education |
| [Red Sheet: PDF Study Memorizer](https://appshunter.io/ios/app/red-sheet-pdf-study-memorizer/id1580506756) | 4.2 (5) | Free | Education |
| [DoodlePop for iPad](https://appshunter.io/ios/app/doodlepop-for-ipad/id418322283) | 4.2 (62) | Free | Education |

## More apps by Hideaki Uchikoshi

- [Caesar-Cipher](https://appshunter.io/ios/app/caesar-cipher/id1559575000)
- [Candle Position](https://appshunter.io/ios/app/candle-position/id1607432198)
- [Finger friendly camera](https://appshunter.io/ios/app/finger-friendly-camera/id1608106549)
- [Baumkuchen divided](https://appshunter.io/ios/app/baumkuchen-divided/id6480042293)
- [Ball rolling(2D)](https://appshunter.io/ios/app/ball-rolling2d/id6480332725)
- [Big character calculator](https://appshunter.io/ios/app/big-character-calculator/id6480366253)

All apps by Hideaki Uchikoshi: https://appshunter.io/developer/1559575002

---

*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 2026-07-29.*