# SR4U vs M

The clearest difference is iOS requirement: SR4U at 12.0 against M's 15.0. 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 | SR4U | M |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 27 MB | 7 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V4U Technologies](https://appshunter.io/developer/1818995076) | [CDAC Noida](https://appshunter.io/developer/1108324524) |

## What reviewers say

### SR4U

[App page](https://appshunter.io/ios/app/sr4u/id6747162189)

**In-app purchases:** none


### M

[App page](https://appshunter.io/ios/app/m-kavach-2/id6768540964)

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

**In-app purchases:** none


## Frequently asked questions

### Is SR4U free?

SR4U is free to download, with no in-app purchases.

### Is M free?

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

### Do SR4U or M have ads?

Neither SR4U nor M 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.*