"Monitoring Mobile Phones in a jiffy."
Whereaboutsmobile is a mobile app free to download. No need to buy any GPS device. Primarily, It tracks and monitors mobile phones which you have registered. Aside from its basics, it is also loaded with features like: Waypoints, GeoFencing, Get Notified, 30-second interval reporting and all data are saved for as long as you need them.
Track and monitor with whereaboutsmobile, they will always be pinned.