Phone Number Tracker funktioniert nicht

Phone Number Tracker helps you to search and track mobile phone number, STD code and ISD code with offline also, it will display the location of caller with service provider name, with city, state information on all contacts.  You can search contact by name, number, location, carrier providers etc.  Our speed dialer contains smooth T9 dial pad, quick search in your recent calls and contacts, which brings your dialing experience to the next level.  If that person has already the app then you can see all the information about that user & him/her phone details on the contact list.  Phone Number Tracker has a powerful database of thousands of area information in the world.  Full phone contact list with carrier detail and from where to purchase the SIM.  We provide 12,982 cities areas codes for subscriber trunk dialing (STD) and 249 countries codes for international subscriber dialing (ISD).  Contact list with group by location.  Live Location of all contact users.  Location is based on GPS navigation map system.  The best dialer app for iOS.  You can easily search and look-up almost all the city codes, with detailed location info.