# Flat Cube vs BlockMatrix

The clearest difference is in-app purchases: BlockMatrix at none against Flat Cube's 1. Flat Cube's advantage is update cadence (every 3 days vs weekly) and iOS requirement (13.0 vs 15.6). On price, review sentiment, ads and device support there is nothing between them.

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

Flat Cube ships an update every 3 days, BlockMatrix weekly. The most recent releases landed on September 7, 2026 and June 24, 2026 respectively.

## The numbers

| Metric | Flat Cube | BlockMatrix |
| --- | --- | --- |
| 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 | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 161 MB | 53 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Redev Inc.](https://appshunter.io/developer/1658921539) | [DNTech7consulting Co., Ltd.](https://appshunter.io/developer/314785526) |

## 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 |


### BlockMatrix

[App page](https://appshunter.io/ios/app/blockmatrixthink-in-blocks/id6747108752)

A logic-based block puzzle game where you use numerical clues to deduce the location of hidden blocks. It offers a unique challenge distinct from Sudoku or Nonograms, with progressive difficulty levels for all skill sets.

**Highlights:** Logic-based block deduction, Numerical clues for placement, Progressive difficulty levels, Original puzzle mechanics, Immersive puzzle experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flat Cube free?

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

### Is BlockMatrix free?

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

### Do Flat Cube or BlockMatrix have ads?

Both Flat Cube and BlockMatrix show ads.

### Which is updated more often, Flat Cube or BlockMatrix?

Flat Cube ships an update every 3 days, and BlockMatrix weekly. Most recently, Flat Cube was updated on September 7, 2026 and BlockMatrix on June 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.*
