Bubble Level Tool – Level Tool Ruler – Spirit Level – Surface Level – Pocket Bubble Level – Tool App This app includes all the features of a bubble level, which allows you to measure the inclination angles of any surface or object in a simple and accurate way. To measure the inclination, place your smartphone with its screen parallel to the object or surface you want to measure. The app will immediately calculate and show its inclination angles. The app also allows to: - Calibrate measured angles - Pause/resume measurements to save or note the data - Modify several settings such as bubble color and sensitivity, precision with which angles are shown… A bubble level is an extremely useful tool to work in construction, decoration or carpentry. With this app, you will carry one in your pocket whenever you need it.