# PDF Scanner, Convert Document vs MP3 & MP4 Converter

The clearest difference is monetization model: MP3 & MP4 Converter at freemium against PDF Scanner, Convert Document's subscription. PDF Scanner, Convert Document's advantage is update cadence (every 2 days vs every 5 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. PDF Scanner, Convert Document sells 1 in-app purchase, starting at $5.99 per 7 days and MP3 & MP4 Converter sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

MP3 & MP4 Converter holds the better App Store score, 4.7 against 4.6. Both are backed by a comparable volume of ratings — 51 and 76 respectively.

PDF Scanner, Convert Document ships an update every 2 days, MP3 & MP4 Converter every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | PDF Scanner, Convert Document | MP3 & MP4 Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (51 ratings)](https://appshunter.io/ios/app/pdf-scanner-convert-document/id6745515022/reviews) | **[4.7 (76 ratings)](https://appshunter.io/ios/app/mp3-and-mp4-converter/id6748683841/reviews)** |
| Number of ratings | 51 | **76** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 months |
| Monetization | Subscription | **Freemium** |
| Size | 6 MB | 158 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nicola Amber](https://appshunter.io/developer/1742004802) | [Danyil Podziraev](https://appshunter.io/developer/1826997437) |

## What reviewers say

### PDF Scanner, Convert Document

[App page](https://appshunter.io/ios/app/pdf-scanner-convert-document/id6745515022)

Easily convert various content like photos, files, text, and web links into high-quality PDFs. Organize, rename, and share your digital documents effortlessly for school, work, or personal use.

**Highlights:** Convert photos, files, and text to PDF, Scan documents with camera, Save webpages as PDFs, Create PDFs from text notes, Organize and share PDFs

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $5.99 | per 7 days |


### MP3 & MP4 Converter

[App page](https://appshunter.io/ios/app/mp3-and-mp4-converter/id6748683841)

Quickly convert audio files between various formats like MP3, WAV, and AAC with high-quality results. This app supports batch conversions and includes a built-in player for previews, making audio file management simple.

**Highlights:** Wide format support (MP3, WAV, AAC, FLAC), Fast conversion without quality loss, Batch conversion for multiple files, Built-in audio player for previews, Easy file management

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Converter – Format Tool | $4.99 | per 7 days |
| Audio Converter – Format Tool | $9.99 | per year |
| Audio Converter – Format Tool | $14.99 | per year |
| Audio Converter – Format Tool | $19.99 | per year |
| Audio Converter – Format Tool | $24.99 | per year |


## Frequently asked questions

### Is PDF Scanner, Convert Document free?

PDF Scanner, Convert Document is free to download, with in-app purchases available.

### Is MP3 & MP4 Converter free?

MP3 & MP4 Converter is free to download, with in-app purchases available.

### Which has better reviews, PDF Scanner, Convert Document or MP3 & MP4 Converter?

MP3 & MP4 Converter is rated higher. PDF Scanner, Convert Document averages 4.6 out of 5 from 51 ratings, while MP3 & MP4 Converter averages 4.7 from 76 ratings.

### Do PDF Scanner, Convert Document or MP3 & MP4 Converter have ads?

Neither PDF Scanner, Convert Document nor MP3 & MP4 Converter shows ads.

### Which is updated more often, PDF Scanner, Convert Document or MP3 & MP4 Converter?

PDF Scanner, Convert Document ships an update every 2 days, and MP3 & MP4 Converter every 5 months. Most recently, PDF Scanner, Convert Document was updated on October 24, 2026 and MP3 & MP4 Converter 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.*