# Sudoku(9X9) vs Mental Exercise

The clearest difference is iOS requirement: Mental Exercise at 15.0 against Sudoku(9X9)'s 26.2. 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 | Sudoku(9X9) | Mental Exercise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (316 ratings)](https://appshunter.io/ios/app/mental-exercise-solitaire/id6776508801/reviews)** |
| Number of ratings | — | **316** |
| Positive reviews | — | 10.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 2 months |
| Monetization | — | Ad-supported |
| Size | 128 MB | 191 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Funology, Inc.](https://appshunter.io/developer/1753678765) | [RAHMAN BIN ADEN](https://appshunter.io/developer/1177342882) |

## What reviewers say

### Sudoku(9X9)

[App page](https://appshunter.io/ios/app/sudoku9x9/id6759663914)

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

**In-app purchases:** none


### Mental Exercise

[App page](https://appshunter.io/ios/app/mental-exercise-solitaire/id6776508801)

A classic card game offering endless levels and a zero-pressure experience for brain training and relaxation. Collect puzzle pieces by clearing games to unlock beautiful artwork. Features unlimited hints, undo, and a magic wand booster.

**Highlights:** Endless solitaire levels, Zero-pressure gameplay, Unlimited hints, Easy undo function, Magic Wand booster, Jigsaw puzzle collection, Unlockable artwork

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku(9X9) free?

Sudoku(9X9) is free to download, with no in-app purchases.

### Is Mental Exercise free?

Mental Exercise is free to download, with no in-app purchases.

### Do Sudoku(9X9) or Mental Exercise have ads?

Both Sudoku(9X9) and Mental Exercise 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.*