# M vs Mars Rock

The clearest difference is iOS requirement: M at 11.0 against Mars Rock's 15.5. 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 | M | Mars Rock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 55 MB | 23 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Projoy Electric Co., Ltd.](https://appshunter.io/developer/1718026915) | [Xiamen Mars Rock Science Technology Co.,Ltd](https://appshunter.io/developer/1787113189) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-cloud-pro/id6458729786)

**In-app purchases:** none


### Mars Rock

[App page](https://appshunter.io/ios/app/mars-rock/id6739800801)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is M free?

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

### Is Mars Rock free?

Mars Rock is free to download, with no in-app purchases.

### Do M or Mars Rock have ads?

Neither M nor Mars Rock 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.*