Lux Light Meter

2025.07.27

Waldau Webdesign

4.43

1,965 reviews

100,000+
Downloads

Free

Lux Light Meter is a simple tool for measuring illuminance intensity (lux, fc).

Lux Light Meter is a simple device-based illuminance meter that displays light intensity in lux and foot-candles. It’s free to use and remains well-rated by users, with a total of 100,000+ downloads and 290 in the last 30 days, based on 1,956 ratings at 4.43/5.

Pros & Cons

100% free with no in-app purchases
Supports lux and fc with selectable primary unit
Calibrate measurements with a multiplier
Shows min, max and average values during a session
Multi-language support and screen-on option

Focused on basic lux/FC measurement; lacks broader lighting metrics emphasized by some competitors
Measurement accuracy depends on device sensor quality and manufacturer's calibration
Some competitors highlight advanced features (e.g., room/ambient contexts) not advertised by this app

About Lux Light Meter

Lux Light Meter is a tools app developed by Waldau Webdesign.

Download Statistics

Lux Light Meter has been downloaded 150 thousand times. In the last 30 days, the app was downloaded 290 times.

User Ratings

Lux Light Meter is rated 4.43 out of 5 stars. The rating is based on 2 thousand ratings.

App Information

Lux Light Meter is FREE to download. The APK download size is 4.75 MB. The latest version available is 2025.07.27. The last update was on July 21, 2025.

Technical Requirements

Lux Light Meter requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play September 2018.

Description

Lux Light Meter is a simple light meter for measuring illuminances by using the light sensor of your device. The light intensity is shown in lux and fc.

More data about Lux Light Meter

Price	Free to download
Total downloads	150 thousand
Recent downloads	290
Rating	4.43 based on 2 thousand ratings
Ranking	Not ranked
Version	2025.07.27
APK size	4.75 MB
Number of libraries	21
Designed for Android	4.4+
Suitable for	Everyone
Ads	Contains ads

App Performance Report

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Alternative downloads for the Lux Light Meter app

Lux Light Meter compared with similar apps

Common keywords of similar apps

Fc Simple Shown Minimum Metering Multi Language Icons Light Lux Intensity Meter Device Support Measuring Sensor App Maximum Average Accuracy

Keywords missing from this app

Measure Brightness Measurement Features Lighting Plants Exposure Level Plant Room Easy Phone Measurements Ppfd Illuminance Accurate Ambient Indoor Free Values Pro Recent Calibration Home Devices Tool Grow Office Levels Screen Tools Work Time Apps Photone Par Https Shows

Google Play Rating history and histogram

Rating history

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1.2K

560

110

Downloads over time

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Lux Light Meter has been downloaded 150 thousand times. Over the past 30 days, it has been downloaded 290 times.

Changelog of Lux Light Meter

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Developer information for Waldau Webdesign

Waldau Webdesign

info@waldau-webdesign.de

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Comments on Lux Light Meter for Android

★★★★☆ deepak bhagat · Sep 12, 2021

First experience...using first time.... unbelievable... measuring lux.... without any instruments.

★★★★☆ Henk Cornelissen · May 6, 2019

Works perfectly, although I've never tested it next to a calibrated lux meter, app has few ads.

★★★★★ Justin Reis · Jan 21, 2019

Best of many free light meter apps tried. Ads are a bit more intrusive (full screen at startup) than with some alternative apps (small banner). But layout is superior in many ways: showing mean & median values since reset as well as both lux & foot candles all readable at a glance. My Samsung reads similarly to a calibrated meter under some conditions, but is mostly useful only for relative comparisons not absolute measurements. Still very useful.

★★★★★ Jorge Nowogrodski · Sep 24, 2025

A very useful app to measure the amount of light my plants receive. It allows me to adjust the lamp height/position accordingly.

★☆☆☆☆ kanna raja · Nov 21, 2019

What kind of sensor needed??? My mobile is Samsung m30s. Pls suggest the lux meter app?

★☆☆☆☆ Fussldrach Kaosmacher · Jan 2, 2020

Appears to be either broken or spammy or malware. On startup, it first showed four introductory screens, indicating that calibration with a reference device was necessary. Then it continued directly to an entire screen of what appeared to be animated adds. I never even tried out its functionality after that - too afraid that I'd "catch something".

★☆☆☆☆ avik d · Mar 18, 2021

My mobile does not have sensors, so I want it to have a camera sensor, so I will give it as only a star.

Google Play Rankings for Lux Light Meter

This app is not ranked

Technologies used by Lux Light Meter

12 permissions · 21 libraries

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Trust & Safety: Permissions include INTERNET, ACCESS_NETWORK_STATE, FOREGROUND_SERVICE, VIBRATE, WAKE_LOCK, and advertising-related IDs (AD_ID). AdMob is present, and a license check is used. No location or camera permissions are listed, indicating a privacy-conscious baseline for a free utility.

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