# 正の数・負の数トランプゲーム vs AdditionTraining

The clearest difference is in-app purchases: AdditionTraining at none against 正の数・負の数トランプゲーム's 4. 正の数・負の数トランプゲーム's advantage is update cadence (every 6 days vs every 2 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. 正の数・負の数トランプゲーム sells 4 one-off in-app purchases. AdditionTraining asks for nothing beyond the download.

正の数・負の数トランプゲーム ships an update every 6 days, AdditionTraining every 2 weeks. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 正の数・負の数トランプゲーム | AdditionTraining |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Size | 206 MB | 5 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [blueskymathapp](https://appshunter.io/developer/1572394588) | [Katsuhiko Yao](https://appshunter.io/developer/1543188534) |

## What reviewers say

### 正の数・負の数トランプゲーム

[App page](https://appshunter.io/ios/app/id1572394586)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| お菓子 | $0.29 | one-time |
| カレーライス | $3.99 | one-time |
| ステーキ | $17.99 | one-time |
| 栄一さん | $59.99 | one-time |


### AdditionTraining

[App page](https://appshunter.io/ios/app/additiontraining/id6477338237)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 正の数・負の数トランプゲーム free?

正の数・負の数トランプゲーム is free to download, with in-app purchases available.

### Is AdditionTraining free?

AdditionTraining is free to download, with no in-app purchases.

### Do 正の数・負の数トランプゲーム or AdditionTraining have ads?

Both 正の数・負の数トランプゲーム and AdditionTraining show ads.

### Which is updated more often, 正の数・負の数トランプゲーム or AdditionTraining?

正の数・負の数トランプゲーム ships an update every 6 days, and AdditionTraining every 2 weeks. Most recently, 正の数・負の数トランプゲーム was updated on September 10, 2026 and AdditionTraining on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*