GPS Tracking App Software for iPhone, Display current location / Playback history tracking / Real time tracking etc, the user name and password is same with PC website login, it is not necessary to input website address and user name and password, the app software will login automatically, it is very easy to locate your tracker on your mobile phone. This app need work with tracking platform 999GPS and GPS tracking device (CCTR-xxx Series) together, and can be used for tracking personal or fleet car truck bus motor taxi rent vehicles etc, also can be used for tracking kids children pets workers old peoples or criminals etc. This app need visit internet, if no Wifi can be used, it will cost GPRS data charge.