# GP NOVA gas detector vs HHP2 App

The clearest difference is iOS requirement: HHP2 App at 11.0 against GP NOVA gas detector's 14.2. 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.

## The numbers

| Metric | GP NOVA gas detector | HHP2 App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/hhp2-app/id1588059062/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | — |
| Size | 65 MB | 39 MB |
| Requires iOS | 14.2 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Geopal](https://appshunter.io/developer/1573577681) | [Straightpoint](https://appshunter.io/developer/1232597225) |

## What reviewers say

### GP NOVA gas detector

[App page](https://appshunter.io/ios/app/gp-nova-gas-detector/id1573577679)

**Features:** macOS Compatibility

**In-app purchases:** none


### HHP2 App

[App page](https://appshunter.io/ios/app/hhp2-app/id1588059062)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GP NOVA gas detector free?

GP NOVA gas detector is free to download, with no in-app purchases.

### Is HHP2 App free?

HHP2 App is free to download, with no in-app purchases.

### Do GP NOVA gas detector or HHP2 App have ads?

Neither GP NOVA gas detector nor HHP2 App shows ads.

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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.*