# GEM BLOCK SUDOKU vs ROTATRIX

The clearest difference is iOS requirement: GEM BLOCK SUDOKU at 13.0 against ROTATRIX's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. GEM BLOCK SUDOKU sells 5 one-off in-app purchases and ROTATRIX sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | GEM BLOCK SUDOKU | ROTATRIX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Daily |
| Size | 129 MB | 51 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mohammad Jabbari](https://appshunter.io/developer/522411450) | [Henricus van den Hurk](https://appshunter.io/developer/1896173715) |

## What reviewers say

### GEM BLOCK SUDOKU

[App page](https://appshunter.io/ios/app/gem-block-sudoku/id6503123654)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 240 GEMS | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 800 GEMS | $2.99 | one-time |
| 1500 GEMS | $4.99 | one-time |
| 3500 GEMS | $9.99 | one-time |


### ROTATRIX

[App page](https://appshunter.io/ios/app/rotatrix-old/id6766042003)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is GEM BLOCK SUDOKU free?

GEM BLOCK SUDOKU is free to download, with in-app purchases available.

### Is ROTATRIX free?

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

### Do GEM BLOCK SUDOKU or ROTATRIX have ads?

Both GEM BLOCK SUDOKU and ROTATRIX show ads.

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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.*