# QR Reader vs WunderLINQ DFU

The clearest difference is review sentiment: QR Reader at 100% against WunderLINQ DFU's 0%. QR Reader also leads on update cadence (every 6 weeks vs every 7 months). WunderLINQ DFU's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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.

QR Reader ships an update every 6 weeks, WunderLINQ DFU every 7 months. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | QR Reader | WunderLINQ DFU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/qr-reader-scan-and-create-pro/id1092575275/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Ad-supported | **Free** |
| Size | 50 MB | 1 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iDroid App](https://appshunter.io/developer/1033189582) | [Black Box Embedded, LLC](https://appshunter.io/developer/1410462733) |

## What reviewers say

### QR Reader

[App page](https://appshunter.io/ios/app/qr-reader-scan-and-create-pro/id1092575275)

This utility app offers rapid QR code and barcode scanning, along with a generator for various formats including WiFi, contacts, and social media links. It provides features like batch scanning, zoom control, and a secure, private user experience with a dark theme.

**Highlights:** Ultra-fast QR and barcode scanning, QR code and barcode generation, Scan from gallery/photos, Batch scanning mode, Precision zoom control, Social media QR templates, Secure and private data storage

**Features:** Vision Pro support

**In-app purchases:** none


### WunderLINQ DFU

[App page](https://appshunter.io/ios/app/wunderlinq-dfu/id1441840346)

This utility app delivers Over-The-Air firmware updates for compatible hardware. It ensures your devices are running the latest software for optimal performance and security.

**Highlights:** Over-the-Air firmware updates, WunderLINQ hardware support, Latest software delivery, Performance optimization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR Reader free?

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

### Is WunderLINQ DFU free?

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

### Do QR Reader or WunderLINQ DFU have ads?

QR Reader shows ads; WunderLINQ DFU does not.

### Which is updated more often, QR Reader or WunderLINQ DFU?

QR Reader ships an update every 6 weeks, and WunderLINQ DFU every 7 months. Most recently, QR Reader was updated on October 7, 2026 and WunderLINQ DFU on October 13, 2026.

---

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