Compass PRO is a free compass app that can calculate and display the direction and angle of a point anywhere in the world. It is used for finding directions, locations, and for recreational activities such as hiking, fishing, boating, and geocaching. It is designed to be used as a regular compass, and the angle measurement will work regardless of whether you use it for finding north, south, east, or west. It is a very useful tool for people who are new to the world, or who are lost.

Compass PRO is based on the concept of a gyro compass. It is an instrument designed to measure the angle between a magnetic field and a known reference line. The magnetic field of the Earth is used as the reference line, and the readings are displayed in degrees. It is an instrument that is used for finding the angle and direction of a point.