# HazMat vs Dustlight

The clearest difference is update cadence: Dustlight at every 5 weeks against HazMat's every 4 months. HazMat's advantage is iOS requirement (12.1 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HazMat ships an update every 4 months, Dustlight every 5 weeks. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | HazMat | Dustlight |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 31 MB | 109 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [DENIOS AG](https://appshunter.io/developer/1527415640) | [Latai](https://appshunter.io/developer/1702237370) |

## What reviewers say

### HazMat

[App page](https://appshunter.io/ios/app/hazmat-storage-checker/id1548746026)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dustlight

[App page](https://appshunter.io/ios/app/dustlight/id6475342016)

This app monitors airborne particles in real-time, alerting users to dangerous levels of fine dust. It offers customizable alerts, data analysis, and cloud storage for health protection in industrial and construction environments.

**Highlights:** Real-time dust monitoring, Customizable alerts and thresholds, Cloud data storage and backup, Detailed data analysis on smartphone, Flexible operating modes, Over-the-air device updates

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HazMat free?

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

### Is Dustlight free?

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

### Do HazMat or Dustlight have ads?

Neither HazMat nor Dustlight shows ads.

### Which is updated more often, HazMat or Dustlight?

HazMat ships an update every 4 months, and Dustlight every 5 weeks. Most recently, HazMat was updated on October 5, 2026 and Dustlight on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*