# Flat vs 25文字めいろクイズ

The clearest difference is in-app purchases: Flat at none against 25文字めいろクイズ's 10. 25文字めいろクイズ's advantage is update cadence (every 5 days vs every 2 weeks) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 25文字めいろクイズ sells 10 one-off in-app purchases. Flat asks for nothing beyond the download.

Flat ships an update every 2 weeks, 25文字めいろクイズ every 5 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Flat | 25文字めいろクイズ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 102 MB | 92 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [masanao matsui](https://appshunter.io/developer/1232130754) | [TakeKApp](https://appshunter.io/developer/1519577505) |

## What reviewers say

### Flat

[App page](https://appshunter.io/ios/app/flat-daily-3d-brain-puzzle/id1609852968)

A minimalist 3D puzzle game where players move cubes into black holes to flatten the board. It offers 50 stages with increasing complexity and intuitive swipe controls for an immersive experience.

**Highlights:** 3D puzzle gameplay, Minimalist design, 50 challenging stages, Intuitive swipe controls, Progressive mechanics

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

**In-app purchases:** none


### 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 |
| --- | --- | --- |
| 問題パック1 | $0.99 | one-time |
| 問題パック2 | $0.99 | one-time |
| たんけんめいろ追加パック | $0.99 | one-time |
| めくりめいろ追加パック | $0.99 | one-time |
| くらやみめいろ追加パック | $0.99 | one-time |
| 広告非表示 | $1.99 | one-time |
| いつものめいろ追加パック | $1.99 | one-time |
| 全モード追加パック | $3.99 | one-time |
| 全モード追加パック + 広告削除 | $4.99 | one-time |
| まとめてお得セット | $4.99 | one-time |


## Frequently asked questions

### Is Flat free?

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

### 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 Flat or 25文字めいろクイズ have ads?

Both Flat and 25文字めいろクイズ show ads.

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

Flat ships an update every 2 weeks, and 25文字めいろクイズ every 5 days. Most recently, Flat was updated on November 3, 2026 and 25文字めいろクイズ on November 7, 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.*