# HazMat vs DPG Quick

The clearest difference is update cadence: HazMat at every 4 months against DPG Quick's every 15 months. HazMat also leads on 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, DPG Quick every 15 months. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HazMat | DPG Quick |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 15 months |
| Size | 31 MB | 58 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) | [audius GmbH](https://appshunter.io/developer/424008593) |

## What reviewers say

### HazMat

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DPG Quick

[App page](https://appshunter.io/ios/app/dpg-quick-check/id1626982640)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HazMat free?

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

### Is DPG Quick free?

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

### Do HazMat or DPG Quick have ads?

Neither HazMat nor DPG Quick shows ads.

### Which is updated more often, HazMat or DPG Quick?

HazMat ships an update every 4 months, and DPG Quick every 15 months. Most recently, HazMat was updated on October 5, 2026 and DPG Quick on October 25, 2026.

---

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