# Audio Compressor vs FileShifter

The clearest difference is in-app purchases: Audio Compressor at none against FileShifter's 1. Audio Compressor also leads on update cadence (weekly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FileShifter sells 1 one-off in-app purchase. Audio Compressor asks for nothing beyond the download.

Audio Compressor ships an update weekly, FileShifter every 4 months. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Audio Compressor | FileShifter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/audio-compressor-mp3-reducer/id6748247625/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Ad-supported | — |
| Size | 55 MB | 82 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suman Sharma](https://appshunter.io/developer/1815967200) | [Ihar Pronka](https://appshunter.io/developer/1887236364) |

## What reviewers say

### Audio Compressor

[App page](https://appshunter.io/ios/app/audio-compressor-mp3-reducer/id6748247625)

Easily reduce the size of audio files like MP3, M4A, AAC, and WAV without sacrificing quality. This app offers batch processing, preview options, and various compression settings to save space and share audio faster.

**Highlights:** Compress multiple audio files, Preview before and after compression, Adjust compression level and bitrate, Apply fade in/out effects, Mono/Stereo conversion, Volume normalization, Batch processing

**In-app purchases:** none


### FileShifter

[App page](https://appshunter.io/ios/app/fileshifter/id6762143036)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Audio Compressor free?

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

### Is FileShifter free?

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

### Do Audio Compressor or FileShifter have ads?

Both Audio Compressor and FileShifter show ads.

### Which is updated more often, Audio Compressor or FileShifter?

Audio Compressor ships an update weekly, and FileShifter every 4 months. Most recently, Audio Compressor was updated on September 21, 2026 and FileShifter on September 20, 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.*