With the app Bubble Level, Ruler you can quickly and easily manage the many different functions:

• Electronic level
• Camera( autofocus, led flash, accelerometer, digital zoom)
• Range (unit: cm, inch grid)
• Measurement of inclination of any surface with one touch
• Calibration
• measurement Modes
• Audible indication
• energy Saving mode screen
• The definition of the angles hold function.

This program is designed for tablets or phones and is a universal assistant for measuring any length, space, angles, simple and convenient interface.