A compass is a navigational tool that helps people find their direction using the earth's magnetic field. It contains a magnet that aligns itself with the earth's north pole to indicate the direction.

iOS ships with a basic compass that you can use to find your basic heading when driving or hiking. It's not as robust as some third-party orienteering apps, but it will work in a pinch when these ...

If you have a compass, you can know the direction exactly, but not many people carry a compass with them all the time. Also, smartphone apps with a compass function may not be usable in an emergency ...