# zzzapp vs QRStudios

The clearest difference is iOS requirement: zzzapp at 15.1 against QRStudios's 26.1. 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 | zzzapp | QRStudios |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 79 MB | 8 MB |
| Requires iOS | **15.1** | 26.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [COLNEX](https://appshunter.io/developer/1688706452) | [Guilhem Normand](https://appshunter.io/developer/1868458013) |

## What reviewers say

### zzzapp

[App page](https://appshunter.io/ios/app/zzzapp-moustiques/id1621461604)

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

**In-app purchases:** none


### QRStudios

[App page](https://appshunter.io/ios/app/qrstudios/id6757721518)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is zzzapp free?

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

### Is QRStudios free?

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

### Do zzzapp or QRStudios have ads?

Neither zzzapp nor QRStudios shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*