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Light Sensor

Free today, Free Always ! No Ads !
"Light Sensor" is a simple to use app to measure light illuminance in lux as well as foot-candela using ambient light sensor of your device.


★ Distinct features of this light sensor ★
* Light illuminance measurement in lux and foot-candela
* 5 sec timer to allow you to take light measurement
* No battery drainage whether app is running or minimized to background
* Calibration feature to make minor adjustments to measured value
* Fast response time

Accuracy of the light sensor may vary on different devices.Make sure light sensor is facing the light source to get correct reading.

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Keywords: Light Sensor, Light Meter, Lux, Candela

Category : Tools

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Reviews (29)

Dra. D. Dec 9, 2019     

Love this app. It helps me find perfect place for my indoor plants.

Sud. i. I. Feb 26, 2019     

light weight light sensor... thanks

Tri. Nov 13, 2019     

Does not work as usual for these apps.

Jeo. S. Feb 12, 2015     

Thanks. One complaint though is the font size. My system uses the largest font settings, and the luminosity value text is large. Sometimes it is wordwrapped thus moving the controls and gets back. For example 1000.11 may be wordwrapped and 999.9 may not be, resulting in an ever-moving UI layout. This could be fixed by making it shorter by removing lx, which we already know, or by making it always fit in one line (resizing font).

kei. b. Jun 14, 2015     

I don't need an all singing all dancing photography light meter, I just want a simple light meter that tells me the light output from a given source. This app is perfect for checking aquarium light levels. And it gives lux and foot candles on the same screen. Super app

Kon. S. May 15, 2014     

Still don't understand why such a simple app may need full network access? --- That's the point! The second sentence is not to you, but to authors of thousand "luxometer" programs with excessive permissions. I respect you for not being like them. Sorry for misunderstanding.

A. G. u. Aug 25, 2014     

I first encountered an app that utilizes light sensors this way on my first phone, a Nokia N900. It was a good and very simple one. Yours reminded me of that other app, and also packs the timer feature, which makes yours actually better. Thanks for the effort!

Yes. B. Jun 29, 2014     

I don't know why I need a light sensor on my phone but I got one.

Per. w. Sep 5, 2015     

Really cool & simple app to use, don't know how precise it is but does the job! IF ONLY it had a save/history option I could compare my bulbs from room to room.... otherwise 5 Stars

Nat. h. Dec 24, 2015     

The app is simple and easy but it would be nice if there was a built in conversion calculator to determine candela. Would be a simple but useful function to integrate.

B. G. Jul 13, 2015     

Works fine but it would be more useful it it didn't top out well before ratings of 1000 watt lights.

fer. b. Mar 10, 2015     

Is simple to use, No a lot of info this isn't necessarily. Thanks. The good thinks didn't need to much sophistication.

Sam. N. Aug 25, 2014     

But what i acctualy was looking for is an app which can determine the existing light in my volume then to turn on/off my phone as per certain setup.

Dro. O. Sep 10, 2016     

The app present readings clearly, in a large font, on top of which there are no ads and no required permissions. Just what I was looking for!

J. K. Apr 22, 2015     

No unneeded permissions. And does exactly what it says. Wish there were options to mute the audio for the 5 sec count, maybe a visual countdown instead. Other than that it's exactly what I was looking for.

Kri. d. Mar 23, 2014     

Easy to uses O did not check accuracy by an other professional instrument. ...

Mag. A. Nov 26, 2016     

In photography a non-metric unit of illuminance, the foot-candle is offten used. Foot-candle is defined the amount of illumination the inside surfance of a 1-foot radius sphere would be receiving if there were a uniform point source of one candela in exact center of the illuminance on a 1-square foot surface of which there is a uniformly distributed flux of one lumen. In other words, it's the ammount of light that actually falls on a given surfance. The foot-candle is = to one lumen per square foot.

Mic. F. Dec 27, 2015     

No problems, and there is a calibration option in case something of wrong.

Har. E. Jan 21, 2017     

Simple application. No ads and fancy stuff. Does it what it says. 1 query : the message "sensors is blocked" is developed based on ambient sensor or proximity sensor ?

Der. L. Oct 10, 2015     

Really simple and great app, I am new to android programming but this app has inspired me to try to make an app that will use the light sensor!

Sté. L. Sep 27, 2014     

No superfluous permissions, it just works. :) (Of course, it's up to the user to calibrate it to his/her phone before relying on it.)

A. G. u. Mar 17, 2014     

Displays realtime information from the light sensor. Good stuff!

rue. b. Sep 25, 2014     

Thanks

Joe. M. Nov 25, 2017     

Great app and fairly accurate as well. Easy to install with no hassle whatsoever !

1-T. B. Jun 12, 2015     

An option to mute the sound would be great.

A. G. u. Feb 4, 2015     

Seems to work better than some of the other light meter apps. Easy to understand.

Amm. R. Feb 17, 2017     

Comprehensive Does what it claims, no adds. Neat and targeted. Does not ask any permissions. Excellent.

A. G. u. Dec 20, 2014     

i dont understand how to mesure a bulb light, i bought a led light bulb and it said it has 1200 LM (lumens) so in the description of this software it said flux then lux, is a typo? ls it lumens? how far from the light bulb should i put the phone to mesure the light?

J. S. H. Nov 4, 2016     

But required hardware is not there in my phone