Screen Pixel Tester

BRASSOFTWARE

About this app

Screen pixel tester and display diagnostic utility for OLED and LCD panels.
Complete dead pixel check touch matrix tests and display refresh rate analysis.

Core Features:
- Display Refresh Rate and Frame Jitter Monitor: Real-time hardware display refresh rate detection (60Hz 90Hz 120Hz) with frame latency smoothness indicator.
- Complete offline functionality with zero network or location permissions
- Handcrafted high-performance custom Canvas rendering pipeline
- Full support for Android 16 edge-to-edge system insets and predictive gestures
- Fast and reliable local persistence with zero cloud tracking
- Calibrated responsive tools optimized for modern Android devices


Data Safety Declaration:
- Data Collected: None (0 bytes collected)
- Data Shared: None (0 bytes shared with third parties)
- Security Practices: No user accounts, zero network permissions, all data stored locally on device
- Permissions Requested: 0 (Zero Android permissions in AndroidManifest.xml)