# PDF Scan vs MP3 Converter

The clearest difference is update cadence: MP3 Converter at weekly against PDF Scan's every 2 months. PDF Scan's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. PDF Scan sells 2 in-app purchases, starting at $4.99 per month and MP3 Converter sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for PDF Scan against 5.0 for MP3 Converter. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

PDF Scan ships an update every 2 months, MP3 Converter weekly. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PDF Scan | MP3 Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/pdf-scan-scanner-and-reader/id6751232307/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mp3-converter-ringtone-maker-plus/id6752532441/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 3 MB | 47 MB |
| Requires iOS | **16.6** | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [家宝 戴](https://appshunter.io/developer/1826395838) | [应芳 卢](https://appshunter.io/developer/1742092879) |

## What reviewers say

### PDF Scan

[App page](https://appshunter.io/ios/app/pdf-scan-scanner-and-reader/id6751232307)

This app transforms your iPhone into a powerful document scanner. Quickly capture and digitize documents, receipts, and business cards, creating high-quality PDF files. Organize, manage, and share your scans with ease, with advanced features available via subscription.

**Highlights:** Scan documents instantly, Automatic edge detection and cropping, High-quality PDF creation, Multi-page scanning, Document management tools, Share and export scans

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFScan Pro Monthly | $4.99 | per month |
| PDFScan Pro Yearly | $39.99 | per year |


### MP3 Converter

[App page](https://appshunter.io/ios/app/mp3-converter-ringtone-maker-plus/id6752532441)

This app is a comprehensive audio editing tool that allows for easy conversion between various audio formats, extraction of audio from videos, and precise trimming of music for ringtones. It offers batch processing and speed adjustment for efficient audio manipulation.

**Highlights:** Convert between 18 audio formats, Extract audio from videos, Millisecond-accurate audio trimming, Batch audio processing, Adjust export playback speed, Import from multiple sources

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $2.99 | per year |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is PDF Scan free?

PDF Scan is free to download, with in-app purchases available.

### Is MP3 Converter free?

MP3 Converter is free to download, with in-app purchases available.

### Which has better reviews, PDF Scan or MP3 Converter?

PDF Scan and MP3 Converter are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do PDF Scan or MP3 Converter have ads?

Neither PDF Scan nor MP3 Converter shows ads.

### Which is updated more often, PDF Scan or MP3 Converter?

PDF Scan ships an update every 2 months, and MP3 Converter weekly. Most recently, PDF Scan was updated on September 30, 2026 and MP3 Converter on October 12, 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.*