# Flat Cube vs Sudoku Studio

The clearest difference is ads: Sudoku Studio at none against Flat Cube's shown. Flat Cube's advantage is update cadence (every 3 days vs every 2 weeks) and device support (3 vs 1). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Flat Cube sells 1 one-off in-app purchase and Sudoku Studio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Flat Cube against 5.0 for Sudoku Studio. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Flat Cube ships an update every 3 days, Sudoku Studio every 2 weeks. The most recent releases landed on September 7, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Flat Cube | Sudoku Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/flat-cube-2d-brain-cube/id6739634625/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/sudoku-studio/id6740774860/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 161 MB | 17 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Redev Inc.](https://appshunter.io/developer/1658921539) | [Lian Gao](https://appshunter.io/developer/1219991035) |

## 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 |


### Sudoku Studio

[App page](https://appshunter.io/ios/app/sudoku-studio/id6740774860)

This app offers a smooth and powerful Sudoku experience for all skill levels. It includes a variety of handcrafted puzzles, a solver, and the ability to import puzzles from paper using your camera.

**Highlights:** 300 handcrafted puzzles, Classic gameplay mode, Built-in Sudoku Solver, Camera Scan to import puzzles, Manually create puzzles, Share and create puzzles from URL, Assist mode and conflict highlighting

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $2.99 | one-time |


## Frequently asked questions

### Is Flat Cube free?

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

### Is Sudoku Studio free?

Sudoku Studio is free to download, with in-app purchases available.

### Which has better reviews, Flat Cube or Sudoku Studio?

Flat Cube and Sudoku Studio are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do Flat Cube or Sudoku Studio have ads?

Flat Cube shows ads; Sudoku Studio does not.

### Which is updated more often, Flat Cube or Sudoku Studio?

Flat Cube ships an update every 3 days, and Sudoku Studio every 2 weeks. Most recently, Flat Cube was updated on September 7, 2026 and Sudoku Studio on June 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.*