Measure Tools: AR Ruler is a free app for Android devices, developed by a team of developers, that provides you with a set of tools for measuring and visualizing the size of different objects. With this app, you will be able to measure and visualize the size of a wide variety of objects, from boxes and trunks to walls and trees.

How can I use this tool?

To use this tool, you will need to have your phone's camera and location services turned on so that the app can detect the location and size of the objects you are pointing at. If you are using your phone, you will need to make sure that the camera and location services are turned on. To do this, go to the settings of your phone, and find the option called "camera and location services".