# QR Spy vs KDYSauna

The clearest difference is iOS requirement: KDYSauna at 13.0 against QR Spy's 17.0. 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 | QR Spy | KDYSauna |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Size | 4 MB | 1 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 17+ |
| Developer | [Miroslav Kocanek](https://appshunter.io/developer/1135543526) | [Xuzhou Kaidisangna Equipment Co., Ltd](https://appshunter.io/developer/1747310503) |

## What reviewers say

### QR Spy

[App page](https://appshunter.io/ios/app/qr-spy/id6477791828)

**Features:** macOS Compatibility

**In-app purchases:** none


### KDYSauna

[App page](https://appshunter.io/ios/app/kdysauna/id6502908744)

**In-app purchases:** none


## Frequently asked questions

### Is QR Spy free?

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

### Is KDYSauna free?

KDYSauna 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.*