Luma Lux – Light Meter
Tools
Accurate ambient light meter for photography, plants and indoor lighting.
- Rating
- 4.5
- 127 ratings
- Downloads
- 7.9K+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Oct 1
- 2026 · v1.4.0
Screenshots
About Luma Lux – Light Meter
Luma Lux turns your smartphone into an accurate ambient light meter, helping you measure illuminance in lux using your device’s built-in light sensor. It’s a simple, reliable tool for photography, plants, and indoor lighting.
Whether you’re adjusting light for photos, checking plant light levels, or improving workspace illumination, Luma Lux provides clear, real-time readings in a clean and intuitive interface.
KEY FEATURES
- Accurate light meter using your phone’s ambient light sensor
- Real-time lux measurements with smooth updates
- Ideal for photography and exposure planning
- Check light levels for plants and indoor growing
- Optimize indoor lighting for rooms, studios, and workspaces
- Clear visual feedback and easy-to-read values
- Simple calibration options for improved accuracy
- Modern, minimal, and distraction-free design
PERFECT FOR
- Photographers — measure ambient light before shooting
- Plant owners — ensure proper light for indoor plants
- Home and office users — improve comfort and productivity
- Students and learners — explore light and illuminance concepts
- DIY and design projects — evaluate lighting conditions
PRIVACY & SAFETY
- No accounts, no sign-ups
- No personal information collected
- Measurements stored locally on your device
- Optional anonymous analytics used only to improve app stability
- Data is encrypted in transit
- Luma Lux is designed to be safe, transparent, and suitable for all age groups.
WHY CHOOSE LUMA LUX
Unlike complex or cluttered tools, Luma Lux focuses on clarity, accuracy, and ease of use. Open the app, point your device, and instantly see how much light is available — no learning curve required.
DOWNLOAD LUMA LUX TODAY
Measure light with confidence and make better decisions for photography, plants, and indoor spaces.
Whether you’re adjusting light for photos, checking plant light levels, or improving workspace illumination, Luma Lux provides clear, real-time readings in a clean and intuitive interface.
KEY FEATURES
- Accurate light meter using your phone’s ambient light sensor
- Real-time lux measurements with smooth updates
- Ideal for photography and exposure planning
- Check light levels for plants and indoor growing
- Optimize indoor lighting for rooms, studios, and workspaces
- Clear visual feedback and easy-to-read values
- Simple calibration options for improved accuracy
- Modern, minimal, and distraction-free design
PERFECT FOR
- Photographers — measure ambient light before shooting
- Plant owners — ensure proper light for indoor plants
- Home and office users — improve comfort and productivity
- Students and learners — explore light and illuminance concepts
- DIY and design projects — evaluate lighting conditions
PRIVACY & SAFETY
- No accounts, no sign-ups
- No personal information collected
- Measurements stored locally on your device
- Optional anonymous analytics used only to improve app stability
- Data is encrypted in transit
- Luma Lux is designed to be safe, transparent, and suitable for all age groups.
WHY CHOOSE LUMA LUX
Unlike complex or cluttered tools, Luma Lux focuses on clarity, accuracy, and ease of use. Open the app, point your device, and instantly see how much light is available — no learning curve required.
DOWNLOAD LUMA LUX TODAY
Measure light with confidence and make better decisions for photography, plants, and indoor spaces.
What’s new
Version 1.4.0 · Updated October 1, 2026
• Added support for 20+ new languages • Improved localization for a better experience worldwide
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