Bubble Level& Spirit Level pro

This is a handy, accurate, smart, simple to use useful level tool for your Android device.
Hold any of the phone's four sides against an object to test it for level or plumb, or lay it down on a flat surface for a 360° level.
*****************Features**************
- With sound to remind you
- Calibrate with different sensitivity
- Angle or inclination will show
- Orientation locked helpful
- Roof pitch with it
Bubble Level Pro is an useful in construction, carpentry and photography even in your daily life.
When you are setting up a tripod for photographs or hang paintings, you can use this to help you.
Bubble Level is very helpful for your life, this is a pro version.