RIDGID Level features three vials for plumb, level and 45° miter. The display shows the exact measurements currently being reported by the sensors and it supports overlaying leveling information on top of the camera. The application also allows you to calibrate both the vertical and horizontal vials for phones with buttons on the side or cameras on the rear which can interfere with your readings.
RIDGID Level is a free educational mobile app By RIDGID Software Solutions.It helps students practice the following standards .
Developer URL: http://www.ridgid.com
Software Version: 2.5
Release Date: 2011-06-22T18:23:00Z