# Device Check & Hardware Test vs GRAVITY CAR AUDIO

The clearest difference is device support: Device Check & Hardware Test at 2 against GRAVITY CAR AUDIO's —. GRAVITY CAR AUDIO's advantage is iOS requirement (12.2 vs 16.6). On price and in-app purchases 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 | Device Check & Hardware Test | GRAVITY CAR AUDIO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Size | 2 MB | 58 MB |
| Requires iOS | 16.6 | **12.2** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [国 李](https://appshunter.io/developer/1558261035) | [伟 陈](https://appshunter.io/developer/1837176650) |

## What reviewers say

### Device Check & Hardware Test

[App page](https://appshunter.io/ios/app/device-check-and-hardware-test/id6757124821)

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

**In-app purchases:** none


### GRAVITY CAR AUDIO

[App page](https://appshunter.io/ios/app/gravity-car-audio/id6760325430)

**In-app purchases:** none


## Frequently asked questions

### Is Device Check & Hardware Test free?

Device Check & Hardware Test is free to download, with no in-app purchases.

### Is GRAVITY CAR AUDIO free?

GRAVITY CAR AUDIO is free to download, with no in-app purchases.

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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.*