# AddToMinusX

> AddToMinusX (iPhone/iPad app by Katsuhiko Yao.)

- Source: https://appshunter.io/ios/app/addtominusx/id6443640661 (this page in markdown: same URL + `.md`)
- Developer: [Katsuhiko Yao](https://appshunter.io/developer/1543188534)
- Category: Education, Games
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 23 MB
- Languages: American English, Japanese
- Released: 2022-10-13
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/addtominusx/id6443640661/reviews.md

## What is AddToMinusX?

たしてマイナス１０（や他の数）になる２つの数を選び、数や計算力をつけていく斬新なゲームです。


## Version history (last 5 releases)

### 1.5.1 — 2024-01-14

ランキングのバグ修正

### 1.5.0 — 2023-12-13

ランキングを日別、週別、月別、トータルで切り替えて表示可能となりました。ゲームをお楽しみください。

### 1.4.4 — 2023-10-31

一部の機能改善

### 1.4.3 — 2023-04-25

一部の機能改善

### 1.4.2 — 2023-04-17

一部の機能改善

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## More apps by Katsuhiko Yao

- [QuickAge](https://appshunter.io/ios/app/quickage/id1545922757)
- [QuickCheck3](https://appshunter.io/ios/app/quickcheck3/id1566831890)
- [Multiply Pairs – Mental Math](https://appshunter.io/ios/app/multiply-pairs-mental-math/id6448858474)
- [Power of 2](https://appshunter.io/ios/app/power-of-2/id6450391335)
- [Neg Multiply – Brain Training](https://appshunter.io/ios/app/neg-multiply-brain-training/id6450744705)

All apps by Katsuhiko Yao: https://appshunter.io/developer/1543188534

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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 2026-05-19.*