# QR Code Scanner vs RockZn

The clearest difference is ads: RockZn at none against QR Code Scanner's shown. RockZn also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (12.0 vs 15.0). 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 Code Scanner ships an update every 3 months, RockZn every 3 weeks. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | QR Code Scanner | RockZn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (788 ratings)](https://appshunter.io/ios/app/qr-code-scanner-fast-scan/id911060973/reviews)** | — |
| Number of ratings | **788** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 13 MB | 60 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sabrina Holzer](https://appshunter.io/developer/1450658703) | [佳鑫 蔡](https://appshunter.io/developer/1762689443) |

## What reviewers say

### QR Code Scanner

[App page](https://appshunter.io/ios/app/qr-code-scanner-fast-scan/id911060973)

Quickly scan QR codes with your device's camera. Open web links, copy text, or save contact information directly from scanned codes. Features a built-in flashlight for low-light scanning.

**Highlights:** Fast QR code scanning, Open URLs in browser, Copy text content, Save VCards to contacts, Built-in flashlight

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Lightning-fast scanning speed
- 👍 Simple and intuitive user interface
- ✅ Reliable and consistent performance
- 💾 Lightweight app with minimal storage
- 🎯 Accurate QR code recognition

**What reviewers complain about**

- 📢 Intrusive and deceptive advertising
- 🐛 Inconsistent functionality across devices
- ❌ Fails to scan certain barcode types
- 🔍 No zoom feature available
- 📱 Compatibility issues with iOS updates

**Reported bugs**

- App fails to recognize scanned QR codes despite camera detection
- App crashes or freezes after opening camera
- Installation failures on some devices
- Non-functional on specific iOS versions
- Intermittent scanning failures

**Requested features**

- Zoom functionality for better scanning
- Scan history/saved results feature
- Barcode scanning capability
- Better compatibility with technical barcodes


### RockZn

[App page](https://appshunter.io/ios/app/rockzn/id6743428135)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Scanner free?

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

### Is RockZn free?

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

### Do QR Code Scanner or RockZn have ads?

QR Code Scanner shows ads; RockZn does not.

### Which is updated more often, QR Code Scanner or RockZn?

QR Code Scanner ships an update every 3 months, and RockZn every 3 weeks. Most recently, QR Code Scanner was updated on September 28, 2026 and RockZn on September 18, 2026.

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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.*