The AR ruler tap measurement app XAPK file download in free this app has many feature such as distance mapping, smart Marker Mode helps for super accurate pin placement, and calculate the total area of the ant route. the camera lenses has focus support on perimeter, and area of calculation. it can easily tape measure the size of a small object by placing it on the device screen. And it adjusting line limiters against the object. also has export the data and drafting in other format. Download very useful measure app in free on cadbull.