---
title: "ScreenTest - Dead Pixel Check - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Screen Test is a lightweight, privacy-focused app that helps you check your iPhone and iPad display quality with 10 professional screen tests.  TESTS INCLUDED: - Dead Pixel Test - Detect dead or stuck"
---

# ScreenTest - Dead Pixel Check — United States
> Screen Diagnostics

![ScreenTest App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/ff/21/0a/ff210aa9-f59c-4e59-410f-877818d31654/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [Son Nguyen](https://apptail.io/developer/son-nguyen-mnFvLb)
**Category:** Utilities
**Rating:** 4.3/5 (6 ratings)
**Price:** Free
**Bundle ID:** io.uax.screentest
**Store:** Apple App Store
**Country:** United States
**Version:** 1.0 (released 2026-03-12)
**Original Release:** 2026-03-12
**Languages:** Chinese, Russian, Hindi, Indonesian, Turkish, German, Italian, Japanese, French, Polish, Thai, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6760121949)
**AppTail Page:** [https://apptail.io/app/screentest-dead-pixel-check-kNVy/united-states](https://apptail.io/app/screentest-dead-pixel-check-kNVy/united-states)

## ScreenTest Description
Screen Test is a lightweight, privacy-focused app that helps you check your iPhone and iPad display quality with 10 professional screen tests.

TESTS INCLUDED:
- Dead Pixel Test - Detect dead or stuck pixels with solid color backgrounds
- Touch Screen Test - Find dead zones that don't register touch input
- Multi Touch Test - Check how many simultaneous touch points your screen supports
- Color Accuracy Test - Verify color reproduction with RGB gradients, grayscale, and SMPTE color bars
- Screen Uniformity Test - Detect backlight bleeding and uneven brightness
- Contrast Test - Check contrast ratio with checkerboard and stripe patterns
- Grid / Line Test - Detect screen distortion with grid, crosshair, and circle patterns
- Response Time Test - Check for ghosting and motion blur with moving objects
- Brightness Test - Test screen brightness levels from 0% to 100%
- Burn-in Test - Detect OLED burn-in and image retention with special patterns

DEVICE INFORMATION:
- View detailed specs: device model, chip, iOS version, RAM, storage
- Screen info: size, resolution, refresh rate, aspect ratio, density

WHY SCREEN TEST?
- Ultra lightweight - under 500KB
- No ads, no tracking, no analytics
- No internet connection required
- Works completely offline
- Supports 20 languages
- Dark and Light themes
- Supports all iPhones including iPhone 17 series

Perfect for checking a new or used phone before purchase, verifying screen repairs, or testing display quality.

## ScreenTest Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/10/fe/ae/10feae8a-d20c-645e-fb64-831861cfc275/iphone67_01_main.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/5d/25/df/5d25df15-850d-135d-ef37-c315b9fed36f/iphone67_05_coloraccuracy.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/6f/11/b2/6f11b248-13d5-639d-efef-a65639d0017f/iphone67_07_contrast.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/56/dd/ce/56ddce6b-6b52-f43a-af65-4ff335c1699a/iphone67_08_gridline.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/49/c1/7e/49c17e43-ae6c-c435-7ea5-6aeff00d3c53/iphone67_09_responsetime.png/1284x2778.png)

## ScreenTest Rating Breakdown in United States
- 5 stars: 5 (83%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 1 (17%)






## ScreenTest Available In
- [United States](https://apptail.io/app/screentest-dead-pixel-check-kNVy/united-states)
- [Russia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/russia)
- [Vietnam](https://apptail.io/app/screentest-dead-pixel-check-kNVy/vietnam)
- [United Kingdom](https://apptail.io/app/screentest-dead-pixel-check-kNVy/united-kingdom)
- [Taiwan](https://apptail.io/app/screentest-dead-pixel-check-kNVy/taiwan)
- [Canada](https://apptail.io/app/screentest-dead-pixel-check-kNVy/canada)
- [Israel](https://apptail.io/app/screentest-dead-pixel-check-kNVy/israel)
- [Mexico](https://apptail.io/app/screentest-dead-pixel-check-kNVy/mexico)
- [Sri Lanka](https://apptail.io/app/screentest-dead-pixel-check-kNVy/sri-lanka)
- [Türkiye](https://apptail.io/app/screentest-dead-pixel-check-kNVy/turkey)
- [Colombia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/colombia)
- [Czechia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/czechia)
- [Germany](https://apptail.io/app/screentest-dead-pixel-check-kNVy/germany)
- [Denmark](https://apptail.io/app/screentest-dead-pixel-check-kNVy/denmark)
- [Algeria](https://apptail.io/app/screentest-dead-pixel-check-kNVy/algeria)
- [Ecuador](https://apptail.io/app/screentest-dead-pixel-check-kNVy/ecuador)
- [Egypt](https://apptail.io/app/screentest-dead-pixel-check-kNVy/egypt)
- [Finland](https://apptail.io/app/screentest-dead-pixel-check-kNVy/finland)
- [Hong Kong SAR China](https://apptail.io/app/screentest-dead-pixel-check-kNVy/hong-kong)
- [Croatia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/croatia)
- [Indonesia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/indonesia)
- [Ireland](https://apptail.io/app/screentest-dead-pixel-check-kNVy/ireland)
- [India](https://apptail.io/app/screentest-dead-pixel-check-kNVy/india)
- [Italy](https://apptail.io/app/screentest-dead-pixel-check-kNVy/italy)
- [South Korea](https://apptail.io/app/screentest-dead-pixel-check-kNVy/south-korea)
- [Kazakhstan](https://apptail.io/app/screentest-dead-pixel-check-kNVy/kazakhstan)
- [Lebanon](https://apptail.io/app/screentest-dead-pixel-check-kNVy/lebanon)
- [Lithuania](https://apptail.io/app/screentest-dead-pixel-check-kNVy/lithuania)
- [Latvia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/latvia)
- [Madagascar](https://apptail.io/app/screentest-dead-pixel-check-kNVy/madagascar)
- [Malaysia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/malaysia)
- [Namibia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/namibia)
- [Nigeria](https://apptail.io/app/screentest-dead-pixel-check-kNVy/nigeria)
- [Norway](https://apptail.io/app/screentest-dead-pixel-check-kNVy/norway)
- [Nepal](https://apptail.io/app/screentest-dead-pixel-check-kNVy/nepal)
- [New Zealand](https://apptail.io/app/screentest-dead-pixel-check-kNVy/new-zealand)
- [Philippines](https://apptail.io/app/screentest-dead-pixel-check-kNVy/philippines)
- [Pakistan](https://apptail.io/app/screentest-dead-pixel-check-kNVy/pakistan)
- [Poland](https://apptail.io/app/screentest-dead-pixel-check-kNVy/poland)
- [Portugal](https://apptail.io/app/screentest-dead-pixel-check-kNVy/portugal)
- [Paraguay](https://apptail.io/app/screentest-dead-pixel-check-kNVy/paraguay)
- [Singapore](https://apptail.io/app/screentest-dead-pixel-check-kNVy/singapore)
- [Slovenia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/slovenia)
- [Senegal](https://apptail.io/app/screentest-dead-pixel-check-kNVy/senegal)
- [Thailand](https://apptail.io/app/screentest-dead-pixel-check-kNVy/thailand)
- [Tunisia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/tunisia)
- [Uzbekistan](https://apptail.io/app/screentest-dead-pixel-check-kNVy/uzbekistan)
- [Armenia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/armenia)
- [South Africa](https://apptail.io/app/screentest-dead-pixel-check-kNVy/south-africa)
- [Austria](https://apptail.io/app/screentest-dead-pixel-check-kNVy/austria)
- [Australia](https://apptail.io/app/screentest-dead-pixel-check-kNVy/australia)
- [Azerbaijan](https://apptail.io/app/screentest-dead-pixel-check-kNVy/azerbaijan)
- [Belgium](https://apptail.io/app/screentest-dead-pixel-check-kNVy/belgium)
- [Bulgaria](https://apptail.io/app/screentest-dead-pixel-check-kNVy/bulgaria)
- [Bahrain](https://apptail.io/app/screentest-dead-pixel-check-kNVy/bahrain)
- [Brunei](https://apptail.io/app/screentest-dead-pixel-check-kNVy/brunei)
- [Brazil](https://apptail.io/app/screentest-dead-pixel-check-kNVy/brazil)
- [China](https://apptail.io/app/screentest-dead-pixel-check-kNVy/china)

---

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