QBContact

QBContact allows you to directly send your contact with the relevant data to all smartphones both iOS and other os.
The sending is immediate and does not require any type of connection, the data sent will be saved directly in the recipient's address book.
The necessary condition for the transfer is that the two smartphones have to be in the immediate vicinity , since the information will be transmitted and acquired through the display and the camera using the QRCODE encoding .
Just point the camera of the receiving smartphone to the display of the one that sends the contact and in a split second, the data will be imported into the address book.
After receiving or sending a contact , you can receive update notifications from one of the contacts received make a change to your information