Pixel Checker - Monitor Test

Dead Pixel & Screen Tester

USD 0.99 · Designed for iPad. Not verified for macOS.

Easily check your display for dead pixels and screen quality issues. A free, full-screen monitor test tool — select only the tests you need. 【Tests Included】 • Dead Pixels — Spot black dots on a white screen • Solid Colors — Detect off-color pixels in Red, Green, Blue & Black • Uniformity — Check brightness consistency across the screen • Color Gap — Verify inner/outer color contrast accuracy • Gradient — Test smooth color gradation rendering • Sharpness — Check text clarity and contrast inversion 【How to Use】 1. Select the tests you want 2. Tap 'Start Test' → full-screen mode activates automatically 3. Use left/right arrows to navigate between tests 4. Completed tests are marked with a checkmark badge Korean & English supported / Dark & Light theme

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- UI Improvement

The developer, YEONJU LEE, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Provider
    • YEONJU LEE
    Size
    • 749.6 KB
    Category
    • Utilities
    Compatibility
    Requires iOS 17.2 or later.
    • iPhone
      Requires iOS 17.2 or later.
    • iPad
      Requires iPadOS 17.2 or later.
    • Mac
      Requires macOS 14.2 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.1 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © Yeonju Lee