Compass Calibration Tool is a free navigation app developed by Appire for Android devices. It is a helpful tool to use when you are lost in an unknown location or need to find the exact direction. The app comes with a compass widget that calibrates the precise direction of where you are standing, including the latitude, longitude, and exact address of your street. With this app, you can even open Google Maps and navigate to your destination address. The app also includes a spirit level and bubble level that indicates whether a surface is horizontal or vertical.

Compass Calibration Tool is not only useful for navigation purposes. It also displays the device slope angle and tells you how incline your furniture is. The app measures the magnetic field strength of your surroundings and gives you the intensity of the gyroscope and accelerometer strength. Additionally, it shows your current location, true headings, and displays and measures the surface's horizontal level. The app also functions as a spirit level and bubble level, which is helpful if you want to put your furniture in a certain direction.