# GridDown vs PrepShield

The clearest difference is device support: PrepShield at 2 against GridDown's —. GridDown's advantage is iOS requirement (13.0 vs 17.0). 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 | GridDown | PrepShield |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 days |
| Size | 6 MB | 12 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [YOURFULLSTACK, LLC](https://appshunter.io/developer/363434825) | [CHRISTOPHER BRADLEY WOOD](https://appshunter.io/developer/1878382042) |

## What reviewers say

### GridDown

[App page](https://appshunter.io/ios/app/griddown/id6760301965)

**In-app purchases:** none


### PrepShield

[App page](https://appshunter.io/ios/app/prepshield/id6761011335)

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

**In-app purchases:** none


## Frequently asked questions

### Is GridDown free?

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

### Is PrepShield free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*