# Screen Checker2 — Dead Pixel Test, Color Test

> Dead Pixel Test, Color Test (iPhone/iPad app by hao du.)

- Source: https://appshunter.io/ios/app/screen-checker2/id6767191780 (this page in markdown: same URL + `.md`)
- Developer: [hao du](https://appshunter.io/developer/1454457703)
- Category: Utilities
- Price: $0.29 (on sale, was $0.39)
- Age rating: 4+
- Requires: iOS 15.0 · 7 MB
- Languages: American English, Japanese, Korean, Chinese (Simplified, China)
- Released: 2026-05-08
- Data updated: 2026-08-24
- User reviews in markdown: https://appshunter.io/ios/app/screen-checker2/id6767191780/reviews.md

## What is Screen Checker2?

Screen Checker is a professional screen quality diagnostic tool. Supports dead pixel detection with solid color backgrounds, color gradient test, grayscale test, screen burn-in test, and touch area detection. Ideal for new phone inspection, second-hand device testing, and screen repair comparison. All tests run locally without network permissions.


## Version history (last 2 releases)

### 1.1 — 2026-07-25

Added a feedback feature.

### 1.0 — 2026-05-08

No release notes.

## More apps by hao du

- [Puzzle: Calculate 24](https://appshunter.io/ios/app/puzzle-calculate-24/id6760665747)
- [Pomodoro Focus Time](https://appshunter.io/ios/app/pomodoro-focus-time/id6761978201)
- [WiFi Password Memo](https://appshunter.io/ios/app/wifi-password-memo/id6762079284)
- [Password Generator New](https://appshunter.io/ios/app/password-generator-new/id6762613117)
- [Speed Test-2](https://appshunter.io/ios/app/speed-test-2/id6762631974)
- [节拍器极简](https://appshunter.io/ios/app/id6762840147)

All apps by hao du: https://appshunter.io/developer/1454457703

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*