The Bubble level: Indicate whether the surface is horizontal or vertical.

Surface Level: Bubble Level app is simple and easy to use with your device.

A bubble level is mostly used in the constructor, carpentry, and photography to determine whether the object is surface level or not.

you can use it for personal uses like checking your desk table and the surface level of every object.

Measure Level horizontal, vertical, and flat surface for a 360 level.

This level of tool precision depends on the quality of the accelerometer sensor and the correct calibration.

Use Horizontal, Vertical and flat surface tools separately.

Calibration:

- You can calibrate surfaces with any flat surface or any angle.

- Calibrate will set new “zero” and data shown after calibration will be relative to that position.

- Tap reset to remove calibre and reset identical surface.

Compass:

- A digital compass is a great tool for outdoor uses. It gives N (North) direction.

- Without an accelerator sensor, a digital compass will not work.