# While True vs M

The clearest difference is ads: M at none against While True's shown. While True's advantage is iOS requirement (12.0 vs 15.0). On price, 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 | While True | M |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 483 MB | 36 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Turing Studio d.o.o.](https://appshunter.io/developer/1266728670) | [jj](https://appshunter.io/developer/426360938) |

## What reviewers say

### While True

[App page](https://appshunter.io/ios/app/while-true/id6474076027)

**Features:** macOS Compatibility

**In-app purchases:** none


### M

[App page](https://appshunter.io/ios/app/m-cat/id6786497406)

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

**In-app purchases:** none


## Frequently asked questions

### Is While True free?

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

### Is M free?

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

### Do While True or M have ads?

While True shows ads; M does not.

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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.*