# Dead Pixel Test - Screen Check — Display & Touch Diagnostics

> Mobile screen diagnostic tool for dead pixels, touch, and display quality. (iPhone/iPad app by BULPARA TEKNOLOJI LIMITED SIRKETI.)

- Source: https://appshunter.io/ios/app/dead-pixel-test-screen-check/id6760838375 (this page in markdown: same URL + `.md`)
- Developer: [BULPARA TEKNOLOJI LIMITED SIRKETI](https://appshunter.io/developer/1552593177)
- Category: Utilities, Developer Tools
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 17.0 · 9 MB
- Languages: American English, French (France), German (Germany), Hindi, Indonesian, Italian, Japanese, Brazilian Portuguese, Russian, Chinese (Simplified, China) and 4 more
- Released: 2026-03-30
- Data updated: 2026-08-16
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/dead-pixel-test-screen-check/id6760838375/reviews.md

## What is Dead Pixel Test?

Check any iPhone or iPad screen before you buy, sell, or repair.

Dead Pixel Test - Screen Check runs 10 display diagnostics on your device — dead pixels, burn-in, refresh rate, touch response, color accuracy, and more. All tests run locally. No data leaves your device.

▸ 10 DISPLAY TESTS
Comprehensive diagnostics that cover every aspect of your screen.

• Dead pixel detection — cycle through solid colors to spot stuck or dead pixels
• Touch screen test — visualize touch points and map dead spots
• Brightness test — verify min and max brightness performance
• Color accuracy — compare sRGB swatches against reference values
• P3 wide gamut — check if your display renders colors beyond sRGB
• OLED burn-in detection — reveal ghost images and uneven aging
• Screen uniformity — expose backlight bleed and uniformity issues
• Refresh rate — requests several frame rates in sequence and measures what the display actually delivers
• Response time — check motion clarity and spot ghosting and smearing
• Pixel fix tool — attempt to revive stuck pixels with rapid color cycling

▸ PRE-PURCHASE INSPECTION (PRO)
Buying or selling a used device? Run a curated check sequence adapted to the panel — OLED-only checks are skipped on LCD screens. Get a clear buyer verdict, then share the result as an image card or a PDF certificate.

▸ SMART & ACTIONABLE
Not just raw data — results you can actually use.

• Auto-detects OLED or LCD — shows only relevant tests for your display
• Pass, fail, or warning verdicts — clear answers, not guesswork
• Plain-language guidance — tells you what to do next
• Shareable PDF reports — document screen condition for buyers or clients

▸ PRIVACY FIRST
Your screen data stays on your screen.

• All processing happens on-device
• No accounts, no cloud uploads, no tracking
• Works completely offline

▸ PRICING

FREE:
• 4 core tests — unlimited (dead pixel, touch, brightness, color accuracy)
• Quick Check (4-test sequence): 3 runs per day
• Last 3 test sessions saved

SCREEN CHECK PRO

Screen Check Pro unlocks every diagnostic, the Pre-Purchase Inspection, and unlimited saved sessions. Subscription options:

Pro Monthly: $4.99/month
Pro Annual: $24.99/year — includes a 7-day free trial

Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase.

Terms of Service: https://displaytester.bulpara.com/terms
Privacy Policy: https://displaytester.bulpara.com/privacy

## Key features

- Dead pixel detection
- Touch screen testing
- OLED burn-in detection
- Refresh rate and response time checks
- Color accuracy and gamut testing
- Screen uniformity analysis
- Pixel fix tool

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annual | $24.99 | per year |
| Premium Weekly | $1.99 | per 7 days |



## Frequently asked questions about Dead Pixel Test

### Does Dead Pixel Test have ads?

Yes, Dead Pixel Test contains advertisements. As a free app with in-app purchases, ads are displayed to support its development and features.

### What is the cost of Dead Pixel Test Pro?

Screen Check Pro offers subscription options: $4.99/month, $24.99/year with a 7-day free trial. Payment is charged to your Apple ID upon purchase confirmation.

### How do I cancel my Dead Pixel Test subscription?

You can manage and cancel your subscriptions by navigating to your App Store account settings after purchase. Ensure cancellation occurs at least 24 hours before the current period ends.

### Is Dead Pixel Test safe for children?

Dead Pixel Test is rated for ages 4 and up, making it suitable for younger users. The app focuses on screen diagnostics and does not contain inappropriate content.

### How often is Dead Pixel Test updated?

The app was last updated on August 9, 2026, indicating regular maintenance and potential feature additions. The latest version is 2.0.

### What devices support Dead Pixel Test?

Dead Pixel Test is compatible with both iPhone and iPad devices. It auto-detects OLED or LCD screens to run relevant tests.

### What happens if I don't subscribe to Dead Pixel Test Pro?

The free version offers 4 core tests (dead pixel, touch, brightness, color accuracy) with unlimited use. You also get 3 Quick Check runs per day and the last 3 test sessions saved.

### Does Dead Pixel Test work offline?

Yes, Dead Pixel Test works completely offline. All processing happens on-device, and no data leaves your device, ensuring your privacy.

## Version history (last 5 releases)

### 2.0 — 2026-08-09

Buying a used iPhone? This update is for you.

• NEW: Pre-Purchase Inspection (Pro) — a curated check sequence adapted
  to your panel, with a clear buyer verdict and a shareable image card
  + PDF certificate
• NEW: Refresh Rate test — requests several frame rates in sequence and
  measures what your display actually delivers
• NEW: Fully localized into 13 languages
• Response Time test refocused on motion clarity, ghosting, and smearing
• Fixes and polish throughout

All tests run on-device. No data leaves your phone.

### 1.3 — 2026-05-12

- Bug fixes

### 1.2 — 2026-05-07

- UI improvements
- Bug fixes

### 1.1 — 2026-04-16

- Visual improvements
- Bug fixes

### 1.0 — 2026-03-30

No release notes.

## Apps similar to Dead Pixel Test

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [ScreenTest - Dead Pixel Check](https://appshunter.io/ios/app/screentest-dead-pixel-check/id6760121949) | — | Free | Utilities |
| [Color Test For Your Screen](https://appshunter.io/ios/app/color-test-for-your-screen/id6757317286) | — | Free | Utilities |
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| [iChecker: Phone Diagnostics](https://appshunter.io/ios/app/ichecker-phone-diagnostics/id6759792908) | 5.0 (5) | Free | Utilities |
| [Device Monitor & Diagnostics +](https://appshunter.io/ios/app/device-monitor-and-diagnostics-plus/id6748753384) | 5.0 (1) | Free | Utilities |

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## Related topics

[tester screen](https://appshunter.io/ios/topics/tester-screen) · [touch screen repair](https://appshunter.io/ios/topics/touch-screen-repair) · [touch screen check](https://appshunter.io/ios/topics/touch-screen-check) · [phone repair screen color test](https://appshunter.io/ios/topics/phone-repair-screen-color-test) · [display check](https://appshunter.io/ios/topics/display-check) · [oled screen](https://appshunter.io/ios/topics/oled-screen) · [color test for your screen](https://appshunter.io/ios/topics/color-test-for-your-screen)

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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 2026-08-16.*