# Lux Meter: Light Meter > Lux meter & light meter: measure illuminance in lux and foot-candles (fc) Canonical page: [https://chrome-stats.com/d/com.simonj.luxmeter](https://chrome-stats.com/d/com.simonj.luxmeter) ## Overview - **ID:** `com.simonj.luxmeter` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Global Utility App Maker - **Category:** TOOLS - **Downloads:** 417 - **Version:** 1.0.30 - **Last updated:** 2026-08-28 - **First published:** 2026-04-22 - **Publisher country:** KR - **Size:** 60 MB - **Data as of:** 2026-09-14 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.simonj.luxmeter) - **Website:** [https://simon-jang.blogspot.com/](https://simon-jang.blogspot.com/) - **Privacy policy:** [https://sites.google.com/view/luxmeters](https://sites.google.com/view/luxmeters) ## Description Lux Meter is a light meter, illuminance meter, and lux measurement tool for Android. Turn your phone into a pocket photometer that reads ambient light in lux and foot-candles in real time, with min/avg/max tracking and a calibration offset for reliable readings. Whether you are setting up a photo shoot, dialing in a grow light, or checking that a workspace meets recommended light levels, Lux Meter gives you a fast, clear measurement anywhere.

▶ MAIN FEATURES
• Illuminance in lux and foot-candles (fc)
• Real-time light level from the ambient light sensor
• Min / avg / max tracking while you measure
• Calibration offset for accurate, repeatable readings
• Light-level recommendations for rooms, offices, and plants
• Hold to freeze the current reading
• Measurement history to compare locations
• Large, easy-to-read display
• Dark mode
• Works fully offline, no account or sign-up

▶ HOW TO USE
1. Open Lux Meter and point the ambient light sensor at the light.
2. Read the illuminance value in lux (or switch to foot-candles).
3. Watch min, avg, and max update live as you move.
4. Tap Hold to freeze the current reading.
5. Set a calibration offset to match a known meter.

▶ WHO USES IT
• Photographers & videographers checking lighting
• Plant & grow-light growers dialing in light levels
• Office & workspace safety and ergonomics checks
• Interior & home lighting design
• Electricians verifying installations
• Students & teachers in science class

Lux Meter uses the ambient light sensor built into your phone. Sensor placement and cover glass vary by device, so readings are approximate; for relative or repeatable readings, calibrate against a known light meter using the calibration offset. Download Lux Meter and measure the light around you in lux and foot-candles today. ## Rankings - #1,443,457 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.WAKE_LOCK` - `com.amazon.privacypass.ATTEST` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.simonj.luxmeter.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Lux Meter - Light Meter](https://chrome-stats.com/d/com.tooltoolnam.lux_meter) — 127 users - [Lux Light Meter - Measure](https://chrome-stats.com/d/com.micmacxa.mylightmetter) — 1,109 users - [Light Meter - LUX](https://chrome-stats.com/d/com.light.meter.hdlab.app) — 89 users - [Lux Meter](https://chrome-stats.com/d/hu.lori.luxmeter) — 812 users - [Lux Meter Lite](https://chrome-stats.com/d/com.andreascnits.luxmeterlite) — 100 users - [LuxMeter](https://chrome-stats.com/d/com.paperloong.lux) — 16 users - [Light Meter Lux Meter](https://chrome-stats.com/d/lux.light.meter.illuminance.light.measure) — 695 users - [Lux Light Meter](https://chrome-stats.com/d/de.waldau_webdesign.app.luxmeter) — 691,909 users, 3.91 / 5 - [Lux Meter](https://chrome-stats.com/d/com.luxwbrzk.mqlight) — 22 users - [Lux Light Meter](https://chrome-stats.com/d/de.waldau_webdesign.lightmeter) — 147,671 users, 4.42 / 5 - [Lux Light Meter Pro](https://chrome-stats.com/d/com.longtv.luxmeterpro) — 246 users - [Light Meter - Lux & FC](https://chrome-stats.com/d/com.syyhtech.lightmeter) — 16,623 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.simonj.luxmeter)