# Avare Biotech vs Dirt Detector

The clearest difference is in-app purchases: Avare Biotech at none against Dirt Detector's 3. Avare Biotech also leads on update cadence (every 2 months vs every 7 months) and iOS requirement (14.0 vs 18.0). On price, ads 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. Avare Biotech asks for nothing beyond the download.

Avare Biotech ships an update every 2 months, Dirt Detector every 7 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Avare Biotech | Dirt Detector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Size | 53 MB | 4 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ptolemay LLC](https://appshunter.io/developer/1592914768) | [Baturintech LLC](https://appshunter.io/developer/1798644877) |

## What reviewers say

### Avare Biotech

[App page](https://appshunter.io/ios/app/avare-biotech/id6744607449)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Avare Biotech free?

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

### Is Dirt Detector free?

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

### Do Avare Biotech or Dirt Detector have ads?

Neither Avare Biotech nor Dirt Detector shows ads.

### Which is updated more often, Avare Biotech or Dirt Detector?

Avare Biotech ships an update every 2 months, and Dirt Detector every 7 months. Most recently, Avare Biotech was updated on October 30, 2026 and Dirt Detector 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.*