This is a iOS app for GT-206x tracker of Navisys Technology Crop.
GT-206x tracker is an assisted device for student.
It integrate a buzzer inside and provide a "SOS" push button.
When user press SOS button in GT-206x tracker , device will send push notify and update a newly position to the server .
People who received message can use this app to find out the position of user and offer all necessary assists.