Home Tech 15 Best Light Meter Apps For Measuring Lux and Foot-Candle

15 Best Light Meter Apps For Measuring Lux and Foot-Candle

A device that is used to measure the amount of light on a person, the surrounding scenery, or an object, is called a Light Meter.

A small device that reads the shutter speed and the f-number (focal number) for the determination of the proper exposure of light for perfect photography. This Light Meter is now made compact in the form of Light Meter Apps for your mobile devices. 

These Applications are designed to measure light and find the perfect proportion for a perfectly set scene for photography.

These Apps do Physics and Mathematics for you and measure the right light and perfect exposure for your professional photography.

Tired of not finding the right settings for taking a good picture of your friend? Natural scenes not looking the same on your camera? Don’t worry about it, download one of these 15 Light Meter Apps and find the accurate light measurement for the world around you. 

Best Light Meter Apps: Our Top Pick👌👌

1. Lux Light meter by Doggo Apps

This App seems to have the highest rating compared to all the Light Meter apps on Android. It simply measures the intensity of light. It has a +-5% calibration to a professional lux meter.

Best Light Meter Apps

Since the app uses the light intensity sensor of your phone, the sensor is placed in the front panel of the mobile phone, the front camera has a better lower light setting. The app is available for free on Android and is Ad-free, making it smooth to use.

The features present in this application are:-

  • It uses smart algorithms to get high-accuracy light measurements. 
  • It measures minimum, average, and maximum brightness.  
  • The measuring units are Foot-candle and Lux. 
  • With minimalistic and smart features it provides an intuitive user interface. 
  • It makes a perfect everyday companion with improved light evaluation proximity for people who love to capture nature into a still image.  
  • It can compare the brightness level of the two rooms. 
  • Has a battery protection feature, which does not drain the battery on your phone. 
  • You can calibrate the measurements with the easy controls and the app lets you store your measurements with title, date, and time, making it easier to recall your old measurements. 

Download the App on Google Play Store

2. Light Meter LM – 3000

Instead of wasting money on a handheld light meter, you can simply download Light Meter LM – 3000 from the Apple store for free and carry it anywhere in your pocket.

Of most of the Apps available this app is proven accurate on all iOS devices. This app is calibrated and tested for light measurement using professional class A equipment for all iPhones and iPads.

Best Light Meter Apps 1

This application uses the camera to measure the units therefore no additional light sensors are required.

A few features of the app:-

  • It measures light in Lux or Foot-candle. 
  • It has a simple and easy-to-use interface for less consumption of time. 
  • The measurements can be translated into 5 languages including English, Spanish, German, French and Italian. 
  • Supports all the iPhones including 13 and the new iPad models. 
  • It has proper stability and helps you measure different sides of the same object. 
  • In the description of the application on the Apple store, they have included a video on how to use the application and its works. 

Download the App on Apple App Store

3. Photone – Grow Light Meter

Want an app to determine the right light for you to grow plants? The perfect light space to build a greenhouse? Download Photone and measure away.

In general, light meter apps are used to find the light measurements for photography, the perfect tone of light, the amount of exposure, etc, but this Photone Light meter application is a useful device to measure the optimal lighting for growing plants.

Best Light Meter Apps 2

The app measures photosynthetically active radiation (PAR) as PPFD, LUX, Foot Candles, and Kelvin which can help you determine an environment to grow suitable flowering or fruiting plants or even for vegetable growth.  

A few features of the app:-

  • The app allows you to measure the daily light integral (DLI) for the indoor gardens. 
  • There are options to choose the right settings to get an accurate PAR and DLI. 
  • The app saves you hundreds and thousands of dollars as it gives industrial-grade accuracy. 
  • Available on both Android and iOS, there is a pro mode on iOS.  
  • There is a page that has content about how to achieve maximum accuracy, found in the description of the application.  

Download the App on Google Play Store

Download the App on Apple App Store

4. Light Meter by WBPhoto

It measures light using either the camera or the light sensor provided in your mobile phone, while Light Meter by WBPhoto uses the reflection of light along with spot metering and incident light metering.

This means the app uses both the device’s camera and the light sensor. You can use it with any type of camera from a pinhole to an SLR.  

Light Meter - Tutorial 1.1 - Introduction

Features of this App:-

  • The device has additional meters like the Color temperature meter, a Reciprocity calculator,  a Manual calculator, an Exposure converter, a Depth of Field calculator, and an EXIF Reader. 
  • Tested accurately against Sekonic and Gossen meters on most of the devices. 
  • There is a feature that can calculate film reciprocity. 
  • There are features for exposure like saving, sharing, and converting. 
  • There is language support that helps in translating the measurements.   

Download the App on Google Play Store

Download the App on Apple App Store

5. Lux Meter (Light meter)

This is an ideal application for android. Of the available apps, this app measures the sensitivity of light using the light sensor of the android phone.

15 Best Light Meter Apps For Measuring Lux and Foot-Candle

This app measures the illuminances using LUX and FC. This app is useful for measuring the intensity of indirect light and calibrating LED lights such as light bulbs, aquarium fish lights, and many more. It is also useful for growing indoor plants. 

Features of this app:-

  • This is a hundred percent free app, including a few ads that do not interfere with the measuring. 
  •  You can calibrate your device with the multiplier. 
  • The app shows the maximum, minimum, and average values. 
  • It shows you accurate data using the sensor data. 
  • You can use the app to light the room while you arrange your furniture. 
  • This is a great app if you own a light store, a light meter in your pocket. 

Download the App on Google Play Store

You may like to read our guide on 11 Best Fishing Forecast Apps To Know When The Bit is On.

6. Lightmate: The friendly lightmeter

In the apps, Lightmate is one of the apps that have the feature of capturing the reading using both cameras.

15 Best Light Meter Apps For Measuring Lux and Foot-Candle

 Lightmate is a tool that is designed and created to be functional and can be used quickly. The app shows only the essential scene so that you can focus only on it.  

Features of this app:-

  • The three main features of Lightmate are Aperture priority, Shutter Priority, and Multiple EV Scales to choose from and compare. 
  • There is an improved pinhole exposure experimental feature, which helps determine the correct exposure time. 
  • It has a “touch” sensor to prioritize the preview screen to measure and update values. 
  • The app allows you to increment in the form of full, ½, and ⅓.  
  • The app is available for free and ad-free.  
  • You can use the app to grab an exposure reading when shooting with film. 

Download the App on Apple App Store

7. Lux Light Meter & Tools – Photometer PRO

This app measures light in LUX, the pro tools can be used for Greenhouse, plants, Photography, and Photovoltaics. This is one of the many Light meter apps that provide multiple calculators to measure light.

It is a free application with many professional and accurate tools to measure the amount of light in Lux. The core of the app is free, but there are a few modes that you have to pay a small amount for. 


  • The app supports many languages. 
  • Gives you the highest accuracy possible, and lets you export all measurements to a CSV file. 
  • Record and measure the maximum, minimum, and average brightness and has a piece of full light sensor information and calibration. 
  • You can share and export measurements. 
  • LUX to Lumen and Candela calculators, and vice versa. 
  • The app helps you to set up a projector screen. 
  • It is a smart, minimalist, simple, and user-friendly interface, with a dark mode option. 

Download the App on Google Play Store

8. Lux --  Professional Light Meter for Film Photography

This is one of the light meter apps created by Cole Imhoff. Lux turns your iOS device into a professional and camera-ready light meter for film and photography.

15 Best Light Meter Apps For Measuring Lux and Foot-Candle

This app directly takes the metric data from the camera sensor. Lux is designed for using it separately with a camera, however, it doesn’t let you take professional digital photos.  


  • The app gives you a live preview with a tap-to-focus sensor. 
  • It has accurate, fast metering data directly from the camera sensor. 
  • The on-screen controls provide instant feedback along with the preview. 
  • It provides full stops, half stops, and third stops. 
  • It is simple and free of cost.  
  • You can just point your phone towards the subject or the scene, adjust your aperture, and the app will provide you with the correct shutter speed to use. 
  • This app parallels a standard camera exposure for resolving shadows and highlights.

Download the App on Apple App Store

9. Light Meter – EV for Photography

Light Meter lets you use your smartphones like a photography light meter. Light meter apps generally use the device light sensor on the camera which functions as a light meter in your hands, whereas Light Meter – EV uses both the modes and lets you choose the preference of the mode.

15 Best Light Meter Apps For Measuring Lux and Foot-Candle

It also offers a wide collection of functions for photography in the digital and film areas. It is set up as a functional ambient meter with a rear camera. It works as both hand-helds as well as a spot meter. 


  • The app contains three different modes, incident mode, aperture mode, and shutter speed. EV Compensation, for which you get the aperture and the shutter value.  
  • The ISO value which is set on auto, lets you calculate the ISO value of the given shutter speed and aperture combination with almost a perfect value. 
  • In the additional features section, you have the ND Filter that reads. 
  • The calibration slider ranges from -2EV to +2EV or the app even lets you input your calibration value. 

The camera sensor gives you options like spot metering, zooming of the object or scene, and matrix metering to determine the exposure of the light, but can be tricky since it is based on the focus point, on disturbing the focal point the measure may vary. 

You have options like adjusting the interface of the application, a basic mode containing all the basic features, high-contrast exposures, and the expanded mode that has extra modes to measure the intensity of light. 

On this app, the sensitivity of the light meter to low light conditions and camera support may vary from individual phone models and manufacturers. 

The current phone sensors have a slow rate of refreshing which limits the light meter from capturing light-triggered reactions and the light speed on photography Strobes.  

Download the App on Google Play Store

10. HPJ Light Meter by Darry Cheng

HPJ ( house plant journal ) Light Meter is a simple light meter, measuring in foot candles or lux. This is one of the very few apps that record the reading along with an image from the front-facing camera.

The condition for plant health is light but when growing them indoors the light levels vary. Without a light meter, it’s difficult to judge what’s bright and what’s low in terms of indirect light. Download the app and measure the quantity of brightness needed for an indoor plant. 


  • This light meter will help you put a quantity to an otherwise subjective understanding of brightness.  
  • Having the camera output shown at the same time will help you link what is in the physical environment to the brightness level. 
  • You can get a better sense of the intensity drop-off as you move away from the candle. 
  • You can access the saved photos from your gallery. 
  • You can measure the indirect light your plants get by pointing the front camera toward the windows. 
  • Capture the image along with the light meter data, data, and time. 
  • Understanding light is the key to understanding plants, Darry Cheng created this app for all plant lovers. To love and grow their plants. 

Download the App on Google Play Store

11. Lumu Light Meter – Pro color and flash meter

It is an all-in-one application, whose design is the essence of the app. This app puts the users’ needs and the functional transformation into appropriate use.

Best Light Meter Apps 7

This uses your phone’s camera as a reflective light meter. It is an easy-to-use digital incident color and light meter. This app can also be paired with the Lumu light metering tool. This tool is useful for a photographer, videographer, and light technician. 


  • It uses the phone’s spot metering technology. 
  • The photo single-mode gives you the exposure time, f-number, IOS, EV, LUX. 
  • The photo multi-mode calculates the average value of contrast between multiple measurements.  
  • The photo pinhole mode measures the exposure time for custom pin holes on camera settings. 
  •  The Cine/video mode sets the FPS, F-number, exposure time and ISO, also getting values for ambient light. 
  • The flash exposure feature shows the graph of flash duration measuring its intensity, 
  • The color temperature option reads the light color temperature in kelvin and green/magenta shift. 
  • You also get the ND filters, exposure composition, chromaticity, and illuminance mode. 
  • The app now supports the dark mode on the devices. 

Download the App on Apple App Store

12. Exposure – Light Meter for Film Photography

This is an application for exposure settings on the camera. This is one of the good Light meter apps which can be an amazing helper when shooting on film. When using the app you need to set the ISO and you have to point the phone at the subject.

15 Best Light Meter Apps For Measuring Lux and Foot-Candle

When setting the shutter-aperture pair on the camera, you should focus on the ruler at the bottom of the screen. The number of apertures is displayed on the first line and in the second, the shutter speed that is corresponding to the current exposure.

The ruler can be moved horizontally and it can be used in exposure meter mode. The exposure value (EV) is to be found at top of the screen. 


  • It has intuitive features and offers the ability to calibrate the zero point and to select incremental ISO values. 
  • It has a sliding scale and full-screen interface. 
  • Full stop adjustments can be made. 
  • You don’t have to change the settings to change shutter speed combinations. 
  • There is a touch feature to enable spot-metering. 
  • It has a very user-friendly interface, where the scale is in the form of a slide feature. 

Download the App on Google Play Store

13. myLightMeter Pro (iOS) [paid application]

This application was created and developed by David Quiles whose main goal was to help his fellow photographers. The app focuses on reliability and precision for analog as well as digital photography.

David Quills the creator of the app is specialized in photography, designing, and development, and he created this app with the thought of constant troubles he faced during a photoshoot.

15 Best Light Meter Apps For Measuring Lux and Foot-Candle

Users have noticed that the incident light reading would work only with a diffuser, but the reading is found to be measured even by the reflection reading given by the front camera. 


  • The Extended sensitivity is perfect for dark scenes, like a candle in a room with no light. 
  • There are two interface design modes available, a retro-looking light meter design and another simple modern display. Both of these designs are easy to use and give all the functions to measure light. 
  • Incident light metering mode, which will provide an accurate rendition of the scene’s tone, color and contrasts regardless of its background color, brightness, or texture. 
  • The reflected light metering mode does a good job of reading the light bouncing off the object or subject. 
  • You have an option to save exposure data and have a f/Tools connection. 
  • Both the modes use Independent calibration. 
  • It has an independent section for the selection of aperture, ISO, speed of light, and the composition of exposure.  
  • The app consists of a feature for automatic priority speed and aperture.  
  • The app consists of a lock and an automatic option for IOS. 
  • It has a zoomed camera view with a maximum amount of aperture which can be limited by the lens. 
  • It can calculate the minimum number of measurements. 
  • It also has an option where you can measure the light in a previously captured picture. 
  • The app lets you calculate the hyperfocal distance with maximum distance. 
  • The app has an in-built memory for a few lenses with a maximum aperture which also includes focal length and sensor size. 
  • Has a feature for the measurement of hyperfocal distance, the Infra Radiation measurement. 
  • Contains 2 LED indicators to show whether the measurement is reliable. And it also checks if there is a lack of light in the scene. 

Download the App on Apple App Store

14. Pocket Light Meter (iOS) [paid application]

A light meter that is always in your pocket. It is amazing for film photography with all normal cameras. The app measures reflected light and allow reciprocation calculations. It measures exposure correctly so one can use it for the zone system.

Best Light Meter Apps 10

Spot metering by tapping on the screen is a huge help for photographers. It allows you to shoot cameras with no light meter. This app can be used to shoot medium and large-format cameras that have no light meter of their own and get accurate results.  


  • Advertising and in-app purchases are removed. 
  • My film comes out well exposed. 
  • You can use the white balance feature of this app to get great color rendition under any natural lighting condition.  
  • The interface is incredibly intuitive, and you can set the ISO, shutter speed, and aperture in full, half, or third stops. 
  • There are light meter apps that are an EV meters and others that perform the F-stop/shutter speed calculation. This app combines both quite well. The log is useful to reference the photos you take using your phone camera. 
  • The app is accurate and inexpensive. 
  • The app has a convenient logging feature. 

Download the App on Apple App Store

15. Light Meter by David Quiles

This app is made for real old-school photographers or advanced learners shooting analog photography. For the price of candy, you can work hundreds of hours of work.

This is one of the apps that work on reflected light with devices that can save exposure to exchangeable image file format.

Incident light meters usually work on any device but the precision and quality of all phones differ, in turn affecting the quality of the app.

15 Best Light Meter Apps For Measuring Lux and Foot-Candle

I recommend using the reflected light option with which the precision can be solid. This application was created for Android users by David Quiles, who had also created the iOS application for the same purpose. 


  • It has an ISO that ranges up to 6400 in value. 
  • The Incident light metering needs a light sensor for the measurements. 
  • The Reflected light metering needs a camera, and only a few phones are compatible. 
  • It has the feature of low light alert, which allows you to calculate with accuracy. 
  • It has a feature where the camera can be muted but is not available in all countries. 
  • Exchangeable image file format and sensor information are displayed on the screen as an option. 
  • The app allows you to calibrate. 
  • You have a vibration feature that goes off on measure or hold. 
  • There is an Incident light reading that can be held with an alternative ISO selector. 
  • You can put the State and ISO recall on pause and can play it when needed. 
  • There is a Spot measure option if the camera has a zoom option. 
  • The app supports all screens, including extra high resolution. 

Download the App on Google Play Store


The main needs for perfect Light meter apps would contain, easy to use, have a measurement that gives the value in LUX or Foot Candle, have a feature for calibration, a simple, useful, and user-friendly interface which would be the basic features. And the more advanced features like multiple measurement methods. 

Few pictures or films can get tricky by heavy contrast within a scene, street lights on a dark street, this can easily be resolved by using one of the Light meter apps mentioned above.

Since the apps use the inbuilt sensors of the mobile phone, they tend to give fewer errors while calculating the density of light.  

These above-mentioned apps are the 15 best review apps available out there, according to the use of a photographer the apps change, but they can all be downloaded on your mobile devices.