# QR Controller vs QR Previewer

The clearest difference is ads: QR Previewer at none against QR Controller's shown. On price, in-app purchases, device support and iOS requirement 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 Controller | QR Previewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Ad-supported | — |
| Size | 9 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mijin Kim](https://appshunter.io/developer/1717382242) | [Lee Hyojoong](https://appshunter.io/developer/1888028738) |

## What reviewers say

### QR Controller

[App page](https://appshunter.io/ios/app/qr-controller/id6738270501)

Easily create, scan, and save QR codes without an internet connection. Customize codes with your domain or plain text. Manage all your generated QR codes within the app.

**Highlights:** QR code generation, QR code scanning, Offline functionality, Save and manage QR codes, Customizable QR codes

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

**In-app purchases:** none


### QR Previewer

[App page](https://appshunter.io/ios/app/qr-previewer/id6762736386)

**In-app purchases:** none


## Frequently asked questions

### Is QR Controller free?

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

### Is QR Previewer free?

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

### Do QR Controller or QR Previewer have ads?

QR Controller shows ads; QR Previewer 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.*