Read light levels instantly.
Switch between lux and foot-candles and see whether a space is dim, comfortable, or bright.
iPhone light meter
LUX Meter
Lux and foot-candle readings for rooms, desks, plants, photography setups, and work surfaces.
Hold and compare readings.
Hold a measurement, reset the session, and track min, average, and max values while walking around a space.
Calibrate your setup.
Match one trusted lux value to store a local correction factor for your iPhone and measuring setup.
Use cases
Check light where it matters.
Use LUX Meter before reading, filming, placing plants, changing desk lamps, or comparing rooms.
Office lighting
Houseplants
Photography setups
Desk and task lamps
Room comparisons
Task lighting
Accuracy note
For quick checks, not certification.
LUX Meter estimates illuminance from camera exposure. Use it for room comparisons, plant placement, desk lighting, and general lighting decisions. For regulated, safety-critical, or compliance measurements, use a certified lux meter.
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