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Official Description

GPS Buddy will periodically send your GPS coordinates to a specified phone number via SMS. If you do not have GPS turned on, the app with roughly identify your location via cell towers.

Great for keeping track of a traveling family, or teenagers on a Friday night.

***DOES NOT WORK IF YOU ARE ROAMING***
*if you are roaming, it will send the last known location(as well as notify the recipient that the message sent contains the last known location)