# Sleep AZ vs VYX

The clearest difference is device support: VYX at 3 against Sleep AZ's —. Sleep AZ's advantage is iOS requirement (13.0 vs 15.0). On price and in-app purchases 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 | Sleep AZ | VYX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 4 days |
| Size | 55 MB | 17 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Ativitá](https://appshunter.io/developer/1268656563) | [VYX HEALTHTECH LTDA](https://appshunter.io/developer/6781105307) |

## What reviewers say

### Sleep AZ

[App page](https://appshunter.io/ios/app/sleep-az/id6477391867)

**In-app purchases:** none


### VYX

[App page](https://appshunter.io/ios/app/vyx/id6781105305)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleep AZ free?

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

### Is VYX free?

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

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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.*