Lux Light Meter

Turn your Android phone into a precise lux meter.

Lux measures illuminance using your device’s built-in ambient light sensor and displays real-time readings with a clean analog gauge, live chart, and detailed statistics.

Features

• Real-time lux measurement from your phone’s light sensor

• Beautiful analog gauge with color-coded light levels

• Live trend chart for light changes

• Session statistics: minimum, average, and maximum values

• Measurement history to review past records

• Smart light classification: Very Dark, Dim, Normal, Bright, and Very Bright

• Smooth updates with an easy-to-read interface

• 15 languages supported

Supported Languages

English, Spanish, Portuguese, German, French, Japanese, Korean, Italian, Chinese (Simplified), Chinese (Traditional), Turkish, Hindi, Indonesian, Vietnamese, Thai

Privacy First

No ads, no accounts, no sign-ups. Lux does not require internet access, and your measurement data never leaves your device.

Simple, accurate, and easy to use — measure light anytime, anywhere.