Sensors play a vital role in the proper functioning of an Android phone.When you answer a call, the proximity sensor is activated to prevent any touch input to the phone during the call.Likewise, when you try to unlock your phone, a sensor is activated to detect your fingerprint.
You can do a lot of things with these built-in Android sensors, like check if your device is working properly, or check the status of your GPS, among other things.So let's take a look at seven Android apps that utilize your phone's built-in sensors to provide some pretty useful features.
Sensors Toolbox There are several useful tools that allow you to check your device's sensors.If you're buying a used phone, you should use the Sensors Toolbox to see if everything is in order.You can also use it to perform diagnostics on your existing equipment.
The app displays sensor data using graphs, which makes it easier to detect if the sensor is working.You can check sensors for camera, GPS, microphone, pedometer, auto-rotate, lights, and more.
If you have a temperature sensor, this toolbox also lets you check the temperature sensor within the app.You can set the unit system to your liking, such as metric or imperial.It also shows the overall health of your Android device, such as battery health and storage.
The free version of Sensors Toolbox has some limitations.To get advanced features like custom refresh interval, shared sensor data and no ads, you can upgrade to its premium version.
Download: Sensors Toolbox (Free, in-app purchases available)
2. Gravity Screen
Gravity Screen uses device sensors to automatically turn your screen on or off.When you put your phone in your pocket, it turns off your screen to avoid any unintentional touch input.The app automatically turns on the screen when you take it out of your pocket.
Likewise, you can enable desktop sensors and proximity sensors.It also lets you add multiple finger gestures like single tap, swipe, and double swipe to turn the screen on or off.
Gravity Screen is free, but has a premium version that gives you an advanced experience.It enables you to use the light sensor instead of the proximity sensor, and can customize the vibration, disable the screen lock, and more.
Download: Gravity Screen (Free, in-app purchases available)
Altimeter Helps you to check your altitude level with your phone.It is especially useful when traveling.The app uses GPS to give you an accurate elevation reading above sea level.Best of all you can use it offline and in airplane mode.
Altimeter lets you save the altitude of your favorite locations and has a variety of measurement units such as meters and feet.
You can also change the coordinate system according to your region.Plus, it has a widget you can add to your home screen to check for frequently updated elevation levels.
Altimeter is a free application, but there is a premium version with advanced features.You can select a location on the map, save favorites, remove ads, and do more with in-app purchases.
Download: Altimeter (Free, in-app purchases available)
Cardiograph allows you to monitor your heart rate like a medical device that monitors heart rate.You can place your fingertip on the camera and press "Start" to start the reading, or you can use the heart rate monitoring sensor, if your phone has one.
The app lets you assign an activity to each reading, such as rest, warm-up, or cardio.This helps you analyze your heart rate at different points during your workout.You can check your previous heart rate readings through History, or add multiple profiles for others.It also allows you to change the camera to front or rear.
Cardiograph is completely free, with no ads or locked-in premium features.
Download: Cardiograph (free)
5. GPS Speedometer
GPS Speedometer helps you measure speed in real time through your device.If your car's speedometer is broken, this app will display your speed using the GPS sensor on your phone.
You can change the speedometer display to simple numbers if you wish.It also shows your top speed, as well as the distance covered, and lets you apply a custom speed limit that you'll be alerted to when you hit it.The app also has a widget that you can put on your home screen.It also lets you check the average speed and has both dark and light modes.
GPS Speedometer is a free application.However, to use the minimize screen feature, you can subscribe to its premium version, which is also ad-free.
Download: GPS speedometer (Free, in-app purchases available)
Compass is a simple Android GPS app that helps you navigate.It works with your phone's GPS, magnetic and orientation sensors to give directions on coordinates.
Based on your device's GPS location and sensors, the app gives coordinate details such as altitude, distance and direction.It also displays longitude and latitude coordinates.You can follow the in-app instructions to adjust your device for greater accuracy.
You can also use Compass to explore places like famous cities, get directions and other details.Additionally, you can choose from a variety of measurement units and coordinate systems for your region.The app features a clean material design that makes it visually appealing.
For advanced features like multiple lists, the ability to search for places by name, pick points on the map, and find distances to places in lists, you can upgrade to the premium version of the app.The rest of the app is free.
Download: Compass (Free, in-app purchases available)
7. Lux Light Meter Pro
Your Android phone has a sensor to detect light intensity. Lux Light Meter Pro uses this sensor to analyze the light levels around you.You can measure the minimum and maximum brightness levels of your phone's screen, and the app supports a variety of measurement units, all with a clean Material Design user interface.
Lux Light Meter Pro allows you to store, check and share your measurements, which you can use as a fix if your Android phone's automatic brightness isn't working.
Download: Lux Light Meter Pro (Free, in-app purchases available)
Test your Android phone's sensors with these apps
Most users focus on the software-based functionality and usability of the phone.However, your Android device's hardware contains a whole host of other useful features.The apps listed above are safe and will not cause damage to your device hardware.
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