# Sectra Noise Shield vs QR Code Generator

The clearest difference is ads: Sectra Noise Shield at none against QR Code Generator's shown. Sectra Noise Shield also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, 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.

Sectra Noise Shield ships an update weekly, QR Code Generator every 4 days. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sectra Noise Shield | QR Code Generator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Size | 2 MB | 23 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sectra AB](https://appshunter.io/developer/1468293063) | [Taisuke Hosokawa](https://appshunter.io/developer/1585548762) |

## What reviewers say

### Sectra Noise Shield

[App page](https://appshunter.io/ios/app/sectra-noise-shield/id6737765292)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Generator

[App page](https://appshunter.io/ios/app/qr-code-generator-original-qr/id6741752348)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sectra Noise Shield free?

Sectra Noise Shield is free to download, with no in-app purchases.

### Is QR Code Generator free?

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

### Do Sectra Noise Shield or QR Code Generator have ads?

QR Code Generator shows ads; Sectra Noise Shield does not.

### Which is updated more often, Sectra Noise Shield or QR Code Generator?

Sectra Noise Shield ships an update weekly, and QR Code Generator every 4 days. Most recently, Sectra Noise Shield was updated on October 25, 2026 and QR Code Generator on October 14, 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.*