# QR Quick Scan vs dB Meter Pro

The clearest difference is update cadence: QR Quick Scan at daily against dB Meter Pro's every 3 weeks. QR Quick Scan also leads on iOS requirement (17.0 vs 26.5). 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.

QR Quick Scan ships an update daily, dB Meter Pro every 3 weeks. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | QR Quick Scan | dB Meter Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 4 MB | 8 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Fumiya Kume](https://appshunter.io/developer/1865634356) | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) |

## What reviewers say

### QR Quick Scan

[App page](https://appshunter.io/ios/app/qr-quick-scan/id6762124385)

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

**In-app purchases:** none


### dB Meter Pro

[App page](https://appshunter.io/ios/app/db-meter-pro/id6766442893)

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

**In-app purchases:** none


## Frequently asked questions

### Is QR Quick Scan free?

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

### Is dB Meter Pro free?

dB Meter Pro is free to download, with no in-app purchases.

### Do QR Quick Scan or dB Meter Pro have ads?

Neither QR Quick Scan nor dB Meter Pro shows ads.

### Which is updated more often, QR Quick Scan or dB Meter Pro?

QR Quick Scan ships an update daily, and dB Meter Pro every 3 weeks. Most recently, QR Quick Scan was updated on September 24, 2026 and dB Meter Pro on September 21, 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.*