# Simple Ring Puzzle vs Ultimate Sudoku

The clearest difference is device support: Simple Ring Puzzle at 3 against Ultimate Sudoku's —. Simple Ring Puzzle also leads on iOS requirement (8.1 vs 13.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Simple Ring Puzzle | Ultimate Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Every 24 months | — |
| Size | 65 MB | 23 MB |
| Requires iOS | **8.1** | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Ruslan Goncharenko](https://appshunter.io/developer/934710362) | [Jong Hoon Kim](https://appshunter.io/developer/1727955311) |

## What reviewers say

### Simple Ring Puzzle

[App page](https://appshunter.io/ios/app/simple-ring-puzzle/id1355462031)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ultimate Sudoku

[App page](https://appshunter.io/ios/app/ultimate-sudoku/id6476835632)

**In-app purchases:** none


## Frequently asked questions

### Is Simple Ring Puzzle free?

Simple Ring Puzzle is free to download, with no in-app purchases.

### Is Ultimate Sudoku free?

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

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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.*