# Flat Cube vs GRID CRUNCH

The clearest difference is in-app purchases: GRID CRUNCH at none against Flat Cube's 1. Flat Cube's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Flat Cube sells 1 one-off in-app purchase. GRID CRUNCH asks for nothing beyond the download.

Flat Cube ships an update every 3 days, GRID CRUNCH every 2 days. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Flat Cube | GRID CRUNCH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/flat-cube-2d-brain-cube/id6739634625/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 161 MB | 26 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Redev Inc.](https://appshunter.io/developer/1658921539) | [GA EUN YOO](https://appshunter.io/developer/1886734308) |

## What reviewers say

### Flat Cube

[App page](https://appshunter.io/ios/app/flat-cube-2d-brain-cube/id6739634625)

This 2D puzzle game challenges players to strategically slide colored tiles to match designated areas. It offers multiple difficulty levels and daily challenges, encouraging players to optimize their moves and improve cognitive skills.

**Highlights:** Intuitive 2D cube puzzle gameplay, Four colored tiles with a locking system, Slide optimization challenges, Five difficulty levels (4x4 to 12x12), Daily cube challenges, Achievements and badge system, Improves spatial awareness and cognitive skills

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $9.99 | one-time |


### GRID CRUNCH

[App page](https://appshunter.io/ios/app/grid-crunch/id6760905762)

**In-app purchases:** none


## Frequently asked questions

### Is Flat Cube free?

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

### Is GRID CRUNCH free?

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

### Do Flat Cube or GRID CRUNCH have ads?

Both Flat Cube and GRID CRUNCH show ads.

### Which is updated more often, Flat Cube or GRID CRUNCH?

Flat Cube ships an update every 3 days, and GRID CRUNCH every 2 days. Most recently, Flat Cube was updated on October 14, 2026 and GRID CRUNCH on October 2, 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.*