# MP3 Converter vs Document Scanner & PDF

The clearest difference is update cadence: Document Scanner & PDF at every 2 days against MP3 Converter's weekly. MP3 Converter's advantage is iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MP3 Converter sells 3 in-app purchases, starting at $4.99 per 7 days and Document Scanner & PDF sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

MP3 Converter ships an update weekly, Document Scanner & PDF every 2 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MP3 Converter | Document Scanner & PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/mp3-converter-audio-editor/id6472701406/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 86 MB | 23 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 9+ | 4+ |
| Developer | [AudioConversion](https://appshunter.io/developer/1896766795) | [Joao Cunha](https://appshunter.io/developer/6781915711) |

## What reviewers say

### MP3 Converter

[App page](https://appshunter.io/ios/app/mp3-converter-audio-editor/id6472701406)

This app allows users to convert videos to audio files and edit audio with various tools. Features include cropping, speed adjustment, fade effects, volume control, and format conversion. It also offers audio extraction from video, vocal separation, and ringtone creation.

**Highlights:** Video to MP3 conversion, Audio cropping and splicing, Variable playback speed, Fade in/out effects, Volume adjustment, Audio extraction from video, Vocal separation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly membership | $4.99 | per 7 days |
| Monthly membership | $6.99 | per month |
| Annual membership | $14.99 | per year |


### Document Scanner & PDF

[App page](https://appshunter.io/ios/app/document-scanner-and-pdf-dokus/id6781915709)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dokus+ Monthly | $1.99 | per month |
| Dokus+ Yearly | $9.99 | per year |
| Dokus Plus Lifetime Offer | $9.99 | one-time |
| Dokus+ | $19.99 | one-time |


## Frequently asked questions

### Is MP3 Converter free?

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

### Is Document Scanner & PDF free?

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

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

Neither MP3 Converter nor Document Scanner & PDF shows ads.

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

MP3 Converter ships an update weekly, and Document Scanner & PDF every 2 days. Most recently, MP3 Converter was updated on October 30, 2026 and Document Scanner & PDF on October 28, 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.*