Best Lux Meter Free Apps

4.5😐(2.6K ratings)

FreeIn-App Purchases

Transform your smartphone into a professional light meter. Measure illuminance and color temperature with scientifically validated accuracy, trusted by professionals. Requires a simple diffuser for precise readings.

What We Love

👍 Great app
👍 Accurate measurements
👍 Easy to use
👍 Helpful customer service
👍 Useful for science/research

Room to Improve

🐛 Requires diffuser for accurate readings
💰 Expensive for a light meter app
🔋 Battery/trial period issues
🔍 Inconsistent/inaccurate readings
🙄 Misleading/deceptive marketing

Libre Light Sensor by John Harrington

Measure Light in Lux

Strong Contender

4.8(113 ratings)

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 Meter - Light Meter by Yannick Binay

Illuminance for photo & plants

Worth Considering

Lux Light Meter for Mobile

5.0(3 ratings)

Free

This app measures ambient light levels in lux or foot-candles using your iPhone camera. It provides instant feedback on whether a space is too dim, comfortable, or bright enough for various tasks and offers calibration options.

More Lux Meter Free apps to explore

Lux-Meter & Exposure Measure

Real-time color temperature measurementLux and foot candle measurementsDaily light integral (DLI) calculation

This app provides accurate and easy-to-use light measurements in lux and foot candles. It's ideal for photographers, plant owners, and anyone needing to assess ambient light levels in various spaces. Features include real-time color temperature measurement and calculation of the daily light integral.

(229)

Measure Luminosity in Lux & FC

Lux Light Meter Pro

Real-time lux and foot candle measurementsReal-time color temperature measurementsReal-time histogram plotting

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.

(5.1K)

A simple, powerful light meter

Luminosys - Light Meter

Measures light in LuxMeasures light in Foot Candles (FC)Uses phone camera for accuracy

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.

(7)

ad-supported

LUX - Illuminance Meter

Light meter, anywhere

Instant lux measurementColor temperature (CCT) readingFoot-candle unit toggle

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.

📊 Productivity

Light Meter - Lux & Lumen

Brightness,Foot Candle & EV

Real-time lux measurement with live gaugePhotography mode for exposure value (EV) calculationPlant light mode with recommendations

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 Light Meter · Photometer

Lux · EV · Modes · History

Precise ambient light measurement (lux)Multiple measurement modes (Auto, Outdoor, Indoor, Photo)Measurement history with trend charts

This tool transforms your iPhone into a precise light meter, offering multiple modes for various environments and photography needs. It records measurement history, allows for notes and comparisons, and supports CSV export for detailed analysis.

LUX Meter - Photo Light Meter

Measure light for photoshoot

Real-time color temperature measurementLight measurement in LUXReal-time heat measurement (Kelvin)

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.

(1)

Luxmeter - Lux Light Meter

Measure Lux Light & Exposure

Light intensity measurement (lux, foot-candles)Real-time color temperature readingsExposure suggestions

This app measures light intensity in lux and provides real-time exposure suggestions for photography. It offers customizable settings for shutter speed, aperture, and ISO, with options for both front and back cameras. It's designed for personal use to optimize lighting and capture better photos.

(208)

Exposure meter for film & DSLR

Lumē Light Meter

$1.99

📷 Photo & Video

lumen meter illumination meter

light meter lux meter

by Opple Lighting Co., Ltd.

Measures illuminationMeasures CCTMeasures UV

This app transforms your device into a professional light meter. Measure illumination, CCT, UV, and XY values by simply plugging in a compatible accessory. It's a handy tool for analyzing light conditions.

🌟 Lifestyle

Lux Light Meter Pro for Photo

free

Luminosity & Exposure Value EV

Real-time color temperature measurementLux and foot candles light measurementsAverage and max light values

This app provides precise light measurements in lux and foot candles, along with real-time color temperature readings. It offers shooting value recommendations and allows manual adjustment of camera settings for photographers, plant enthusiasts, and workspace optimization.

MeterSnap - Meter Reading

Intelligent Meter Reader

Measure Light: ISO, LUX

Precision light measurementsReal-time data monitoringCustomizable lighting alerts

This app helps photographers and videographers measure light accurately for perfect exposure. It offers real-time data, customizable alerts, and a user-friendly interface to enhance creative projects.

📷 Photo & Video

(2)

Plants, rooms & photo exposure

Light Meter・Lux Meter

Real-time lux, foot-candle, and EV readingsVisual brightness indicatorCheck lighting standards for spaces

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.

(2)