# Gas. vs PetrolBox

The clearest difference is ads: PetrolBox at none against Gas.'s shown. Gas.'s advantage is iOS requirement (11.0 vs 15.0). On price, 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 | Gas. | PetrolBox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 months |
| Size | 35 MB | 153 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Alpaca Apps Inc.](https://appshunter.io/developer/1487370178) | [UpLoyal](https://appshunter.io/developer/1765134197) |

## What reviewers say

### Gas.

[App page](https://appshunter.io/ios/app/gas/id1555129396)

**Features:** macOS Compatibility

**In-app purchases:** none


### PetrolBox

[App page](https://appshunter.io/ios/app/petrolbox/id6478108378)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gas. free?

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

### Is PetrolBox free?

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

### Do Gas. or PetrolBox have ads?

Gas. shows ads; PetrolBox does not.

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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.*