# MP4 to MP3 vs EMP

The clearest difference is in-app purchases: EMP at none against MP4 to MP3's 2. EMP also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.6). MP4 to MP3's advantage is update cadence (every 4 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. MP4 to MP3 sells 2 in-app purchases, starting at $3.99 per month. EMP asks for nothing beyond the download.

MP4 to MP3 ships an update every 4 days, EMP every 2 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | MP4 to MP3 | EMP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/mp4-to-mp3-audio-converter/id6673909866/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 90 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ORIOL NADAL SERRA](https://appshunter.io/developer/1678978095) | [林 邓](https://appshunter.io/developer/1825517381) |

## What reviewers say

### MP4 to MP3

[App page](https://appshunter.io/ios/app/mp4-to-mp3-audio-converter/id6673909866)

Easily convert MP4 videos into high-quality audio files like MP3, M4A, and more. Enjoy offline conversion with a user-friendly interface and built-in file manager. Supports batch processing and multiple audio formats.

**Highlights:** Effortless video to audio conversion, High-quality audio output, Batch conversion support, Fast processing speeds, Built-in file manager, Offline and private processing, Multiple audio format support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $14.99 | per year |


### EMP

[App page](https://appshunter.io/ios/app/emp-cloud/id6748625196)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MP4 to MP3 free?

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

### Is EMP free?

EMP is free to download, with no in-app purchases.

### Do MP4 to MP3 or EMP have ads?

MP4 to MP3 shows ads; EMP does not.

### Which is updated more often, MP4 to MP3 or EMP?

MP4 to MP3 ships an update every 4 days, and EMP every 2 months. Most recently, MP4 to MP3 was updated on October 30, 2026 and EMP on October 30, 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.*