# Ring Spheres 3D vs Ultimate Sudoku App

The clearest difference is iOS requirement: Ring Spheres 3D at 11.0 against Ultimate Sudoku App's 16.4. On price, ads, in-app purchases and device support 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 | Ring Spheres 3D | Ultimate Sudoku App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 42 MB | 40 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CronlyGames Inc.](https://appshunter.io/developer/762143589) | [Michele Yin](https://appshunter.io/developer/1802479962) |

## What reviewers say

### Ring Spheres 3D

[App page](https://appshunter.io/ios/app/ring-spheres-3d/id1620139446)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ultimate Sudoku App

[App page](https://appshunter.io/ios/app/ultimate-sudoku-app/id6743371040)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ring Spheres 3D free?

Ring Spheres 3D is free to download, with no in-app purchases.

### Is Ultimate Sudoku App free?

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

### Do Ring Spheres 3D or Ultimate Sudoku App have ads?

Neither Ring Spheres 3D nor Ultimate Sudoku App shows 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.*