Luma Lux — Light & Lux Meter

Indie Apps Lab

About this app

Light meter & lux 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
- Students and learners — explore light and illuminance concepts
- Home and office users — improve comfort and productivity
- 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.

Ratings and reviews

Very useful and accurate light meter app. Simple UI and works great for checking room lighting.

Quick and intuitive. I appreciate that my location is not tracked; location information used by more popular apps concerned me.

Good app to measure flashlight lumens.

What’s new

Refined UI/UX of the light meter with a cleaner and more modern design.
Enhanced feedback email with more detailed diagnostic information for faster support and issue resolution.