Flicker Meter: PWM
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About this app
Measure screen flicker and LED light flicker using the rolling-shutter bands captured by your phone camera.
Point the camera at a phone display, monitor, LED lamp, or fluorescent light. Screen Flicker Meter shows a clear flicker percentage and an easy-to-read level.
• Live flicker percentage
• Motion detection that ignores shaky frames
• None, Low, Moderate, and High levels
• Saved measurements with device notes
• Adjustable detection sensitivity
Use saved results to compare displays and lights in the same environment. Results can vary with camera hardware, distance, brightness, and surrounding light.
Point the camera at a phone display, monitor, LED lamp, or fluorescent light. Screen Flicker Meter shows a clear flicker percentage and an easy-to-read level.
• Live flicker percentage
• Motion detection that ignores shaky frames
• None, Low, Moderate, and High levels
• Saved measurements with device notes
• Adjustable detection sensitivity
Use saved results to compare displays and lights in the same environment. Results can vary with camera hardware, distance, brightness, and surrounding light.
Measure screen and LED light flicker with your camera
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- No data collectedLearn more about how developers declare collection
- Data is encrypted in transit
