Read the light level instantly.
Switch between lux and foot-candles with a scale that explains whether the scene is dim, comfortable, or bright.
iPhone light meter
LUX Meter
Lux and foot-candle readings for rooms, desks, plants, studios, and work surfaces.
Freeze and compare readings.
Hold a measurement, reset the session, and track min, average, and max values while walking around a space.
Tune it to your phone.
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, arranging plants, changing desk lamps, or comparing rooms.
Office lighting
Houseplants
Photography setups
Desk and task lamps
Room comparisons
Detailed work
Accuracy note
Useful estimates, clear limits.
LUX Meter estimates illuminance from camera exposure. It is useful for quick checks, comparisons, plant and room-light decisions, and general lighting guidance. For regulated, safety-critical, or professional compliance measurements, use a certified lux meter.