Light Pulse: Flicker Detect
Spot Flicker That Tires Eyes
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Archived App (Last seen on 16 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Light Pulse+ detects and measures light flicker frequency using your iPhone's camera sensor. Identify LED flicker, fluorescent light hum, and invisible strobing that can cause headaches and eye strain.
Point your camera at any light source to instantly see its flicker frequency in Hz. The app reveals invisible pulsing that the naked eye cannot detect but your body may react to.
Key Features:
- Real-time light flicker frequency detection
- Hz frequency readout with waveform display
- Flicker percentage and severity rating
- Camera-based light pulse analysis
- Historical comparison of light sources
- Safe/Warning/Danger flicker indicators
- Multiple measurement modes
- Detailed frequency spectrum view
Perfect for checking LED bulbs before purchase, testing office lighting quality, verifying video-safe lights for content creation, or investigating lights that cause discomfort.
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What's New in Light Pulse
1.0.0
April 22, 2026
