# Arithmetist vs 25文字めいろクイズ

The clearest difference is update cadence: Arithmetist at daily against 25文字めいろクイズ's every 5 days. Arithmetist also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Arithmetist sells 1 one-off in-app purchase and 25文字めいろクイズ sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Arithmetist ships an update daily, 25文字めいろクイズ every 5 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Arithmetist | 25文字めいろクイズ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 5 days |
| Size | 115 MB | 82 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Code and DESIGN inc.](https://appshunter.io/developer/1172903960) | [TakeKApp](https://appshunter.io/developer/1519577505) |

## What reviewers say

### Arithmetist

[App page](https://appshunter.io/ios/app/arithmetist/id6557037664)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


### 25文字めいろクイズ

[App page](https://appshunter.io/ios/app/25/id6776966794)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | one-time |
| 問題パック1 | $1.99 | one-time |
| 問題パック2 | $1.99 | one-time |
| いつものめいろ追加パック | $1.99 | one-time |
| たんけんめいろ追加パック | $1.99 | one-time |
| めくりめいろ追加パック | $1.99 | one-time |
| くらやみめいろ追加パック | $1.99 | one-time |
| まとめてお得セット | $4.99 | one-time |
| 全モード追加パック | $7.99 | one-time |
| 全モード追加パック + 広告削除 | $9.99 | one-time |


## Frequently asked questions

### Is Arithmetist free?

Arithmetist is free to download, with in-app purchases available.

### Is 25文字めいろクイズ free?

25文字めいろクイズ is free to download, with in-app purchases available.

### Do Arithmetist or 25文字めいろクイズ have ads?

Both Arithmetist and 25文字めいろクイズ show ads.

### Which is updated more often, Arithmetist or 25文字めいろクイズ?

Arithmetist ships an update daily, and 25文字めいろクイズ every 5 days. Most recently, Arithmetist was updated on October 12, 2026 and 25文字めいろクイズ on October 14, 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.*