# Inventory Gadget Tracker vs Dirt Detector

The clearest difference is in-app purchases: Inventory Gadget Tracker at none against Dirt Detector's 3. Inventory Gadget Tracker also leads on update cadence (every 2 months vs every 12 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Dirt Detector sells 3 in-app purchases, starting at $2.99 per 7 days. Inventory Gadget Tracker asks for nothing beyond the download.

Inventory Gadget Tracker ships an update every 2 months, Dirt Detector every 12 months. The most recent releases landed on September 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Inventory Gadget Tracker | Dirt Detector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Size | 72 MB | 4 MB |
| Requires iOS | **12.2** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gadget Tracker AS](https://appshunter.io/developer/1729749945) | [Baturintech LLC](https://appshunter.io/developer/1798644877) |

## What reviewers say

### Inventory Gadget Tracker

[App page](https://appshunter.io/ios/app/inventory-gadget-tracker/id1317523682)

**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 Inventory Gadget Tracker free?

Inventory Gadget Tracker 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 Inventory Gadget Tracker or Dirt Detector have ads?

Neither Inventory Gadget Tracker nor Dirt Detector shows ads.

### Which is updated more often, Inventory Gadget Tracker or Dirt Detector?

Inventory Gadget Tracker ships an update every 2 months, and Dirt Detector every 12 months. Most recently, Inventory Gadget Tracker was updated on September 16, 2026 and Dirt Detector on September 19, 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.*