# Dirt Detector vs Audio File Compressor

The clearest difference is update cadence: Audio File Compressor at monthly against Dirt Detector's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dirt Detector sells 3 in-app purchases, starting at $2.99 per 7 days and Audio File Compressor sells 4 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Dirt Detector ships an update every 7 months, Audio File Compressor monthly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Dirt Detector | Audio File Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/audio-file-compressor-shrink/id6759672140/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 18 MB |
| Requires iOS | **18.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Baturintech LLC](https://appshunter.io/developer/1798644877) | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) |

## What reviewers say

### Dirt Detector

[App page](https://appshunter.io/ios/app/dirt-detector/id6749610666)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly AI Stain Detection | $2.99 | per 7 days |
| Monthly AI Stain Detection | $7.99 | per month |
| Yearly AI Stain Detection | $59.99 | per year |


### Audio File Compressor

[App page](https://appshunter.io/ios/app/audio-file-compressor-shrink/id6759672140)

Easily reduce the size of your audio files without compromising sound quality. This app is ideal for compressing music, podcasts, and voice recordings for efficient sharing and storage.

**Highlights:** Compress MP3 instantly, Fast audio file reduction, Adjustable bitrate and quality, Works offline, Save storage space, Share compressed files easily, Privacy-focused

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access for a year | $5.99 | per 7 days |
| All Access – Monthly | $7.99 | per month |
| All Access for a year | $39.99 | per year |
| All Access to Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Dirt Detector free?

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

### Is Audio File Compressor free?

Audio File Compressor is free to download, with in-app purchases available.

### Do Dirt Detector or Audio File Compressor have ads?

Neither Dirt Detector nor Audio File Compressor shows ads.

### Which is updated more often, Dirt Detector or Audio File Compressor?

Dirt Detector ships an update every 7 months, and Audio File Compressor monthly. Most recently, Dirt Detector was updated on October 7, 2026 and Audio File Compressor on October 9, 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.*