LuxMeasure: Light Meter

Measure light intensity instantly. No ads, no tracking, no account required. Real-time lux and foot-candle readings using your iPhone camera sensor.

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.