Dead Pixel Test - Screen Check
Display & Touch Diagnostics
About
Diagnose your device's screen for issues like dead pixels, burn-in, and touch response. Offers comprehensive tests and reports, with a Pro version for advanced features and pre-purchase inspections. Prioritizes user privacy with on-device processing.
What's New in Dead Pixel Test
2.0
August 9, 2026
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.
MoreSubscription plans
Premium Monthly
Unlock all 9 tests, unlimited Quick Checks full history
Developer apps
FAQ
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.
