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Compare allApp info
- Installs
- 500+
- Category
- Tools
- Content rating
- Everyone
- Version
- 1.0.31
- Released
- Apr 22, 2026
- Last updated
- 24 Sept 2026
- In-app purchases
- No
- Contains ads
- Yes
- Promo video
- No
- Requires Android
- 7.0
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Start, stop and Hold now give a short vibration, and the gauge needle lands on the reading without overshooting. Room Survey shows how to place the phone for the first spot. Missing translations were filled in for every supported language, and Norwegian (Bokmål) phones now get the Norwegian app.
Lux meter & light meter: measure illuminance in lux and foot-candles (fc)
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.