# Simple QR Code Generator vs Decibel Sound Meter

The clearest difference is in-app purchases: Simple QR Code Generator at none against Decibel Sound Meter's 1. Decibel Sound Meter's advantage is update cadence (monthly vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Decibel Sound Meter sells 1 one-off in-app purchase. Simple QR Code Generator asks for nothing beyond the download.

Simple QR Code Generator ships an update every 7 months, Decibel Sound Meter monthly. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Simple QR Code Generator | Decibel Sound Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/simple-qr-code-generator/id6443816451/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free | — |
| Size | 1 MB | 8 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Fox](https://appshunter.io/developer/447470917) | [Jan Eggers](https://appshunter.io/developer/6795667629) |

## What reviewers say

### Simple QR Code Generator

[App page](https://appshunter.io/ios/app/simple-qr-code-generator/id6443816451)

Easily generate QR codes from text, URLs, emails, or phone numbers. Save and share them instantly without any personal data collection. This free utility prioritizes user privacy and functionality.

**Highlights:** Generate QR codes from text, Create QR codes for URLs, Generate QR codes for emails, Create QR codes for phone numbers, Save QR codes as images, Share QR codes via messaging apps

**In-app purchases:** none


### Decibel Sound Meter

[App page](https://appshunter.io/ios/app/decibel-sound-meter-messwerk/id6804532010)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Messwerk Pro — Supporter Bundle | $7.99 | one-time |


## Frequently asked questions

### Is Simple QR Code Generator free?

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

### Is Decibel Sound Meter free?

Decibel Sound Meter is free to download, with in-app purchases available.

### Do Simple QR Code Generator or Decibel Sound Meter have ads?

Neither Simple QR Code Generator nor Decibel Sound Meter shows ads.

### Which is updated more often, Simple QR Code Generator or Decibel Sound Meter?

Simple QR Code Generator ships an update every 7 months, and Decibel Sound Meter monthly. Most recently, Simple QR Code Generator was updated on November 3, 2026 and Decibel Sound Meter on November 10, 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.*