Bubble Level

If you've ever needed a level and didn't have one on hand, Bubble Level is a tool that turns your phone into a very easy-to-use and effective level in seconds.

With Bubble Level, the screen of your Android device becomes a classic bubble level that will indicate if the object you're placing is level or not. It works the same way as a normal level; just place the device on the object's surface and check the bubble.

The first time you use Bubble Level, you'll have to calibrate it to make it more precise for future use. The interface will tell you the angle and slope that's being measured, using sound effects, too, which are especially useful when trying to measure objects in relatively inaccessible places.

With its orientation lock, you can even use Bubble Level when measuring spaces or vertical surfaces, helping you find the right position for any object.