# Audio Decibels vs QR Finder

The clearest difference is price: QR Finder at Free against Audio Decibels's $0.49. Audio Decibels's advantage is in-app purchases (none vs 4) and ads (none vs shown).

QR Finder is free to download; Audio Decibels costs $0.49 up front. QR Finder sells 4 in-app purchases, starting at $3.99 per month. Audio Decibels asks for nothing beyond the download.

Audio Decibels ships an update monthly, QR Finder every 2 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Audio Decibels | QR Finder |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | — | **[3.2 (5 ratings)](https://appshunter.io/ios/app/qr-finder-qr-code-scanner/id6504849105/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 31 MB |
| Requires iOS | **15.6** | 17.4 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Juan Camilo Marin Ochoa](https://appshunter.io/developer/1596861993) | [ADIOS YAZILIM BILISIM SANAYI VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/1329291046) |

## What reviewers say

### Audio Decibels

[App page](https://appshunter.io/ios/app/audio-decibels/id6504136351)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### QR Finder

[App page](https://appshunter.io/ios/app/qr-finder-qr-code-scanner/id6504849105)

Easily scan and create various types of QR codes and barcodes. Organize your scanned codes with folders and access them across devices via iCloud. Offers a user-friendly interface and customizable settings for efficient code management.

**Highlights:** Accurate QR code scanning, Custom QR code generation, iCloud sync for codes, Organize codes with folders, Scan history management, Supports various app links

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Month | $3.99 | per month |
| Premium 6 Months | $9.99 | per 6 months |
| Premium Annual | $12.99 | per year |
| Lifetime Premium | $39.99 | one-time |


## Frequently asked questions

### Is Audio Decibels free?

Audio Decibels costs $0.49, with no in-app purchases.

### Is QR Finder free?

QR Finder is free to download, with in-app purchases available.

### Do Audio Decibels or QR Finder have ads?

QR Finder shows ads; Audio Decibels does not.

### Which is updated more often, Audio Decibels or QR Finder?

Audio Decibels ships an update monthly, and QR Finder every 2 months. Most recently, Audio Decibels was updated on October 20, 2026 and QR Finder on October 24, 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.*