# Flat vs ころころキューブくん

The clearest difference is update cadence: ころころキューブくん at every 8 days against Flat's every 5 weeks. ころころキューブくん also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Flat ships an update every 5 weeks, ころころキューブくん every 8 days. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Flat | ころころキューブくん |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Monetization | Ad-supported | — |
| Size | 103 MB | 97 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [masanao matsui](https://appshunter.io/developer/1232130754) | [Kento Yamasaki](https://appshunter.io/developer/1647352452) |

## 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


### ころころキューブくん

[App page](https://appshunter.io/ios/app/id6504699298)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flat free?

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

### Is ころころキューブくん free?

ころころキューブくん is free to download, with no in-app purchases.

### Do Flat or ころころキューブくん have ads?

Both Flat and ころころキューブくん show ads.

### Which is updated more often, Flat or ころころキューブくん?

Flat ships an update every 5 weeks, and ころころキューブくん every 8 days. Most recently, Flat was updated on October 12, 2026 and ころころキューブくん on October 10, 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.*