# GP NOVA gas detector vs SnapPoll

The clearest difference is update cadence: SnapPoll at daily against GP NOVA gas detector's every 27 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.

GP NOVA gas detector ships an update every 27 months, SnapPoll daily. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | GP NOVA gas detector | SnapPoll |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Daily** |
| Size | 65 MB | 86 MB |
| Requires iOS | 14.2 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Geopal](https://appshunter.io/developer/1573577681) | [Mobil80 Solutions and Services Private Limited](https://appshunter.io/developer/1450372355) |

## 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


### SnapPoll

[App page](https://appshunter.io/ios/app/snappoll/id6761996393)

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

**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 SnapPoll free?

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

### Do GP NOVA gas detector or SnapPoll have ads?

Neither GP NOVA gas detector nor SnapPoll shows ads.

### Which is updated more often, GP NOVA gas detector or SnapPoll?

GP NOVA gas detector ships an update every 27 months, and SnapPoll daily. Most recently, GP NOVA gas detector was updated on November 7, 2026 and SnapPoll on November 9, 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.*