Best Lux Meter Free Apps

Libre Light Sensor

Measure Light in Lux

Free

Measure ambient light levels in Lux using your iPhone's camera. Optimize sleep quality by understanding light exposure throughout the day and night.

Lux Light Meter Pro

Measure Luminosity in Lux & FC

Free

Measure light intensity in lux and foot candles with this 2-in-1 meter. Optimize photography settings, adjust indoor lighting, or prevent eye strain with professional-quality readings directly from your smartphone.

LUX - Illuminance Meter

Light meter, anywhere

Free

Measure ambient light levels in lux or foot-candles instantly. Useful for photography, plant care, or verifying brightness for various tasks. Offers advanced features like color temperature and measurement history for premium users.

Luminosys - Light Meter

A simple, powerful light meter

Free

Accurately measure ambient light levels in Lux or Foot Candles using your phone's camera. This tool is ideal for photography, comparing light sources, or indoor gardening. It's designed for ease of use and provides precise readings.

Illuminance Meter: Lux PPFD

Foot Candle, Kelvin, Exposure

Free

Transform your iPhone into a professional light meter to measure illuminance in lux or foot-candles. Ideal for photographers, plant enthusiasts, and workplace safety, it provides instant, accurate light readings with various specialized modes and data export options.

LUX Meter - Photo Light Meter

Measure light for photoshoot

Free

This utility app precisely measures light intensity in LUX and color temperature in Kelvin. It provides real-time exposure readings for photoshoots and filming, helping users adjust lighting for optimal results.

Lux Meter Pros

Measure & analyze light levels

Free

This tool transforms your iPhone into a professional light testing device. It measures lux levels, conducts emergency lighting discharge tests, and generates compliance certificates for UK electricians and facility managers.

light meter lux meter

lumen meter illumination meter

Free

Transform your device into a precise light meter to measure illuminance in lux and foot-candles. Ideal for photographers, plant enthusiasts, and home office users, it offers live readings, calibration options, and advanced insights for understanding your environment's lighting.

LIT Light Meter

Remote control and data saving

Free

This companion app allows users to remotely control and save data from the LIT DUO 1 light meter. It enables firmware updates via Bluetooth, enhancing the functionality of the connected device.

Light Meter・Lux Meter

Plants, rooms & photo exposure

Free

This utility app transforms your smartphone into a professional light measurement tool, offering precise real-time readings in lux, foot-candle, and EV. It helps users meet lighting standards for various environments and optimize conditions for plant growth, with features for tracking changes over time.