Would you like to measure something but don't have a ruler at hand? Don't worry, you don't have to rummage through the desk drawer. Pick up your cell phone! With the right application, you can measure lengths and distances with your smartphone. We'll show you which free ruler app is good for Android.
You don't need an additional application on the iPhone. The measuring tape app is one of the on-board iOS tools . Using augmented reality , you measure objects and distances in your environment using a tape measure app. If you want to measure something with your Android smartphone, the following apps will help you.
Lineal, Ruler is a simple ruler app that is limited to basic functions. Once opened, the view changes to landscape format and you can see the dimensions on the screen. Hold the app up to small objects to determine their length. The app shows lengths in millimeters, centimeters and inches.
You can also use buttons to specify a fixed length or set an area perimeter. In the event of inaccuracies, you can calibrate the app ruler quickly and easily. In the free version, an advertisement is displayed from time to time, but it does not interfere with the measurement display.
Advantages
Very easy to use
Fast setup
Disadvantages
Sometimes imprecise
The ruler (Ruler app) also provides the centimeter display on the screen immediately after the start. To measure distances, simply tap two places on the screen. For more precise measurements, drag your measuring points to the correct position with your finger. The distance is shown directly on the screen.
Thanks to the history option, results of previous measurements can be displayed. If the blue and white look becomes too boring for you in the long run, you can download additional ruler motifs. However, these are only available against the installation of additional apps from the manufacturer or for a fee via in-app purchase. In the event of inaccuracies, you can calibrate the app with the help of a real ruler or a bank card.
Advantages
Suitable for quick and easy measurements
History shows previous results
Disadvantages
New motifs only against in-app purchase
Google also has its own measuring tape app in its repertoire. With the help of the cell phone camera, you can determine the dimensions of objects that are larger than the smartphone screen. This is how you can find out the length and height of objects on flat surfaces with this ruler app.
To measure distances, move the smartphone camera a few times over the desired object. The values can then be copied to the clipboard in order to use the measurements in other apps, for example.
Advantages
Measures lengths and heights of surfaces
Suitable for long objects
Disadvantages
Long environment coverage
Often too imprecise
The apps are a quick helper when you don't have a real ruler at hand. However, you should note that the centimeter display on the screen may differ. The developers of Google's measuring tape app even state that the measurement results are only guidelines. For a quick and rough assessment, you can easily measure distances with the apps. A meaningful and reliable result can only be achieved with a real ruler or folding rule that you take in your hand.
If you don't want to install a new app, simply use an online ruler that shows the dimensions in the browser on the screen .