LuxMeasure: Light Meter

Measure light intensity instantly with your iPhone camera. LuxMeasure gives you accurate, real-time illuminance readings — no ads, no account, no tracking.

FEATURES
• Real-time lux measurement using camera sensor
• Foot-candle conversion (tap to toggle)
• Front and back camera support
• Session statistics: min, max, and average
• Live sparkline chart showing light changes over time
• Hold/lock readings for easy recording
• Save measurements with timestamps
• Contextual light level labels
• Works completely offline

BUILT FOR ACCURACY
Uses the ISO 2720 photographic exposure standard to calculate illuminance from camera exposure data. Independent calibration for front and back cameras.

PERFECT FOR
• Indoor plant growers — find the brightest spot for your plants
• Photographers — check ambient light levels
• Home & office — verify lighting for comfort and eye health
• Quick lighting checks — no expensive equipment needed

PRIVACY FIRST
No ads. No tracking. No data collection. No account required. Everything runs on your device.