# bad pixel check vs Screen Test

The clearest difference is in-app purchases: bad pixel check at none against Screen Test's 1. bad pixel check also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Screen Test sells 1 one-off in-app purchase. bad pixel check asks for nothing beyond the download.

## The numbers

| Metric | bad pixel check | Screen Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Size | 31 MB | 11 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Haiming Yao](https://appshunter.io/developer/1866645487) | [Yunus Gunduz](https://appshunter.io/developer/1694137492) |

## What reviewers say

### bad pixel check

[App page](https://appshunter.io/ios/app/bad-pixel-check/id6757399674)

**Features:** macOS Compatibility

**In-app purchases:** none


### Screen Test

[App page](https://appshunter.io/ios/app/screen-test-dead-pixel-check/id6759452371)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


## Frequently asked questions

### Is bad pixel check free?

bad pixel check is free to download, with no in-app purchases.

### Is Screen Test free?

Screen Test is free to download, with in-app purchases available.

### Do bad pixel check or Screen Test have ads?

Screen Test shows ads; bad pixel check 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.*