# Flat Cube vs overlap

The clearest difference is in-app purchases: overlap at none against Flat Cube's 1. overlap also leads on update cadence (daily vs every 3 days). 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. overlap asks for nothing beyond the download.

Flat Cube ships an update every 3 days, overlap daily. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Flat Cube | overlap |
| --- | --- | --- |
| 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 | **Daily** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 161 MB | 39 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Redev Inc.](https://appshunter.io/developer/1658921539) | [Chanhyeok Na](https://appshunter.io/developer/1772457904) |

## 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 |


### overlap

[App page](https://appshunter.io/ios/app/overlap/id6744515646)

A new type of puzzle game where blocks disappear when they overlap. Recreate the given puzzle board exactly, considering how overlaps affect the final image. It's a simple yet strategic challenge that gets progressively harder.

**Highlights:** Overlapping blocks disappear rule, Various stages with increasing difficulty, Clean and minimalist design, Addictive gameplay loop, Strategic puzzle solving

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

**In-app purchases:** none


## Frequently asked questions

### Is Flat Cube free?

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

### Is overlap free?

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

### Do Flat Cube or overlap have ads?

Both Flat Cube and overlap show ads.

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

Flat Cube ships an update every 3 days, and overlap daily. Most recently, Flat Cube was updated on October 14, 2026 and overlap on October 4, 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.*