# ScreenTest

> Mobile screen performance testing utility with 15 diagnostic tests. (iPhone/iPad app by CHI TIEN CHEN.)

- Source: https://appshunter.io/ios/app/screentest/id1594058916 (this page in markdown: same URL + `.md`)
- Developer: [CHI TIEN CHEN](https://appshunter.io/developer/948155031)
- Category: Utilities, Productivity
- Price: Free
- Rating: 3.00/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 37 MB
- Languages: English
- Released: 2021-11-07
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/screentest/id1594058916/reviews.md

## What is ScreenTest?

測試手機/平板時螢幕的效能
提供15個項目必要測試
我們知道螢幕每個顏色都是由紅綠藍三個顏色獨立構成，此軟體可單獨測試每個顏色及點是否異常
1.純紅色：檢查紅色點是否異常
2.純綠色：檢查綠色點是否異常
3.純藍色：檢查藍色點是否異常
4.混色黃色：檢查紅/綠混色是否異常
5.混色藍綠色：檢查藍/綠色混色是否異常
6.混色桃紅色：檢查紅/藍混色是否異常
7.純黑色：檢查螢幕是否漏光
8. 純白色：檢查螢幕色偏及背光漏光
9.彩色漸層：檢查以上顏色漸層是否有斷階或不連續現象
10.橫線條：檢查橫向單數及偶數線條是否缺線
11.直線條：檢查直向單數及偶數線條是否缺線
12.點移動：由每一單位點移動來檢查是否有亮點或暗點
13.黑色漸層：檢查以上顏色漸層是否有斷階或不連續現象
14.文字清晰度測試(解析度越高則小字越清晰)
15.螢幕反應速度測試(反應越快越看不出方格閃爍)

## Key features

- Color accuracy testing (RGB)
- Dead/bright pixel detection
- Screen light leakage check
- Gradient and line pattern tests
- Text clarity and resolution check
- Screen response time measurement

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/screentest/id1594058916/reviews.md

### 1/5 — almost useless

*2024-10-05*

yeah has some stuff but basicslly useless better off using something else

## Frequently asked questions about ScreenTest

### What types of screen tests does ScreenTest offer?

ScreenTest provides 15 essential tests including checks for individual red, green, and blue color points, mixed color accuracy, black light leakage, white balance, color gradients, horizontal and vertical lines, and dot movement for dead or bright pixels.

### Can ScreenTest check for screen burn-in or dead pixels?

Yes, ScreenTest includes tests like 'Dot Movement' which helps identify any bright or dark spots, commonly referred to as dead or stuck pixels. It also tests for light leakage and color accuracy.

### How does ScreenTest measure screen response time?

The app features a specific 'Screen Response Speed Test' where users observe a flashing square pattern. A faster response time means the flashing is less noticeable, indicating better performance.

### Is ScreenTest suitable for checking screen color bias or uniformity?

Absolutely. ScreenTest includes tests for pure white screens to check for color bias and backlight leakage, as well as color gradient tests to ensure smooth transitions and detect any banding or discontinuity.

### What devices is ScreenTest compatible with?

ScreenTest is designed for mobile devices and is compatible with iPhones, iPads, and iPods. It is suitable for users looking to test the display quality of these Apple devices.

### How often is ScreenTest updated?

ScreenTest was last updated on November 7, 2021, with version 1.0. As of now, there have been no subsequent updates, suggesting it is a stable release.

### What is the user sentiment for ScreenTest based on its rating?

ScreenTest has a rating of 3.0 stars from 3 ratings. This indicates a mixed reception from its current user base.

### Does ScreenTest have ads?

No, ScreenTest does not contain advertisements. It is a completely free application without any ad interruptions.

## Version history (last 1 release)

### 1.0 — 2021-11-07

No release notes.

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All apps by CHI TIEN CHEN: https://appshunter.io/developer/948155031

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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 2026-06-10.*