RM Tracker is an app that allows you to use your mobile device as a GPS tracker. It reports location to your own or hosted server with selected time intervals.
By default application is configured to use free RM Tracker service (IP: 85.214.119.254, port - 6055). To see your device on map register on http://demo.traccar.org/ and add your device with identifier.
RM Tracker (Server) is a free open source server that supports more than 80 different protocols and GPS tracking devices.
NOTE: Continued use of GPS running in the background can dramatically decrease battery life.