Screen Test: Monitor Checker is a professional software designed to help you quickly and easily evaluate the image quality and display performance of your monitor. This utility includes more than 25 tests that can detect issues such as dead pixels, light bleeding, vertical banding, and screen uniformity. It is suitable for various scenarios including screen testing, screen inspection, and dead pixel detection, making it a practical tool for monitor testing. Key features include:

• Detection of dead pixels
• Light bleeding analysis
• Vertical banding checks
• Screen uniformity tests

While this tool provides valuable insights, it is important to note that it cannot replace professional testing equipment, and the results are for reference only. The app is available for free with in-app purchases and supports macOS 14 or later. It is a lightweight application with a size of 3.8 MB, available in English and Simplified Chinese.