# Mental Arithmetic Helper

> Mental Arithmetic Helper (iPhone/iPad app by Hideaki Uchikoshi.)

- Source: https://appshunter.io/ios/app/mental-arithmetic-helper/id6502036493 (this page in markdown: same URL + `.md`)
- Developer: [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002)
- Category: Utilities, Education
- Price: Free
- Age rating: 4+
- Requires: iOS 15.8.3 · 37 MB
- Languages: English, Japanese
- Released: 2024-05-01
- Data updated: 2026-08-02
- User reviews in markdown: https://appshunter.io/ios/app/mental-arithmetic-helper/id6502036493/reviews.md

## What is Mental Arithmetic Helper?

Calculator that can ask questions with random calculation formulas for mental arithmetic practice etc.

>Mental arithmetic practice mode
When you tap the mental arithmetic practice mode button, questions will be automatically asked at random.

*Tap the mental arithmetic practice mode button again to return to a normal calculator.


## Version history (last 5 releases)

### 1.1.68 — 2026-07-28

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

### 1.1.67 — 2026-07-18

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

### 1.1.66 — 2026-05-27

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

### 1.1.65 — 2026-04-27

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

### 1.1.64 — 2026-03-29

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

## Apps similar to Mental Arithmetic Helper

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [MinimalLauncher](https://appshunter.io/ios/app/minimallauncher/id1501076764) | 1.0 (1) | Free | Utilities |
| [Transcribe Voice to Text+](https://appshunter.io/ios/app/transcribe-voice-to-text-plus/id6450869485) | 4.5 (31) | Free | Utilities |
| [Privacy Management](https://appshunter.io/ios/app/privacy-management/id1365754887) | 2.0 (35) | Free | Utilities |
| [Voice To Text: Speech AI](https://appshunter.io/ios/app/voice-to-text-speech-ai/id6450010683) | 4.4 (10) | Free | Utilities |
| [Bengali Keyboard & Translator](https://appshunter.io/ios/app/bengali-keyboard-and-translator/id6479526506) | 3.3 (3) | Free | Utilities |
| [VoiceBot AI - Speech to Text](https://appshunter.io/ios/app/voicebot-ai-speech-to-text/id6447472948) | 3.7 (3) | Free | Utilities |

## 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 2026-08-02.*