Any electronic navigation system which uses space satellites as radio signal sources and position references.

A satellite navigation device or satnav device, also known as a satellite navigation receiver or satnav receiver or simply a GPS device, is a user equipment that uses satellites of the Global Positioning System or similar global navigation satellite systems.

This is a list of notable commercial satellite navigation software (also known as GPS software) for various devices, with a specific focus on mobile phones, tablets, tablet PCs, (Android, iOS, Windows).

Satellite navigation solution for the receiver's position (geopositioning) involves an algorithm.