# Sudoku x Classic Game vs Reverse Block

The clearest difference is in-app purchases: Reverse Block at none against Sudoku x Classic Game's 1. Sudoku x Classic Game's advantage is update cadence (every 2 days vs every 10 days) and device support (4 vs 1). On price and ads there is nothing between them.

Both are free to download. Sudoku x Classic Game sells 1 one-off in-app purchase. Reverse Block asks for nothing beyond the download.

Sudoku x Classic Game ships an update every 2 days, Reverse Block every 10 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Sudoku x Classic Game | Reverse Block |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 5 MB | 10 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [广颂 蔡](https://appshunter.io/developer/1856258214) | [Metin Dolgun](https://appshunter.io/developer/1459351183) |

## What reviewers say

### Sudoku x Classic Game

[App page](https://appshunter.io/ios/app/sudoku-x-classic-game/id6793606018)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $4.99 | one-time |


### Reverse Block

[App page](https://appshunter.io/ios/app/reverse-block/id6800031759)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku x Classic Game free?

Sudoku x Classic Game is free to download, with in-app purchases available.

### Is Reverse Block free?

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

### Do Sudoku x Classic Game or Reverse Block have ads?

Neither Sudoku x Classic Game nor Reverse Block shows ads.

### Which is updated more often, Sudoku x Classic Game or Reverse Block?

Sudoku x Classic Game ships an update every 2 days, and Reverse Block every 10 days. Most recently, Sudoku x Classic Game was updated on October 31, 2026 and Reverse Block on October 31, 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.*