# Brain Training Calculator -ABC

> Brain Training Calculator -ABC (iPhone/iPad app by Hideaki Uchikoshi.)

- Source: https://appshunter.io/ios/app/brain-training-calculator-abc/id6755704377 (this page in markdown: same URL + `.md`)
- Developer: [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 26.1 · 42 MB
- Languages: American English, Japanese
- Released: 2026-04-14
- Data updated: 2026-09-05
- User reviews in markdown: https://appshunter.io/ios/app/brain-training-calculator-abc/id6755704377/reviews.md

## What is Brain Training Calculator?

A calculator where the input keys are displayed with letters of the alphabet.
1→A
2→B
3→C
4→D
5→E
6→F
7→G
8→H
9→I


## Version history (last 5 releases)

### 1.0.4 — 2026-08-01

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

### 1.0.3 — 2026-07-21

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

### 1.0.2 — 2026-05-30

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

### 1.0.1 — 2026-04-15

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

### 1.0.0 — 2026-04-14

No release notes.

## 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

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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 2026-09-05.*