Flying Ruler: 3D Tape Measure

The Flying Ruler app allows you to measure in the most original way: by just moving your device from one point to another. Flying Ruler is a ruler, tape measure, rangefinder, protractor and a 3D angle finder. It is five devices in one app, providing you with the quickest way to measure a distance or an angle. The secret of the program is that it is based on the principles of the inertial navigational system (INS): the position of the device is determined with the help of the accelerometer and