# Hansen Gas Detector vs VIPz Master

The clearest difference is update cadence: VIPz Master at every 2 weeks against Hansen Gas Detector's every 36 months. 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.

Hansen Gas Detector ships an update every 36 months, VIPz Master every 2 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Hansen Gas Detector | VIPz Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 2 weeks** |
| Size | 7 MB | 26 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MSA - The Safety Company](https://appshunter.io/developer/482957840) | [Shenzhen Pinbanke Technology Co., Ltd.](https://appshunter.io/developer/1777009363) |

## What reviewers say

### Hansen Gas Detector

[App page](https://appshunter.io/ios/app/hansen-gas-detector/id1506705824)

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

**In-app purchases:** none


### VIPz Master

[App page](https://appshunter.io/ios/app/vipz-master/id6737540926)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hansen Gas Detector free?

Hansen Gas Detector is free to download, with no in-app purchases.

### Is VIPz Master free?

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

### Do Hansen Gas Detector or VIPz Master have ads?

Neither Hansen Gas Detector nor VIPz Master shows ads.

### Which is updated more often, Hansen Gas Detector or VIPz Master?

Hansen Gas Detector ships an update every 36 months, and VIPz Master every 2 weeks. Most recently, Hansen Gas Detector was updated on November 7, 2026 and VIPz Master on November 8, 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.*