Ban.jo is currently popular on the socialen networks.
The Ban.jo is Updated to 2.0, is much easier and more convenient to use, and improved interface.
The highlight of this application is the connection to social networks Twitter, Facebook, Google, Foursquare, and more recently to Instagram.
Now you can hear the sound in those moments when one of your friends will be nearby. At the same time your position will remain unknown to him. In fact Ban.jo simply collects and relays the coordinates of the users that are added to the program, which means that in order for the application to work, your "boyfriend" is not necessary to install it on his iPhone.
In Ban.jo have other interesting features. For example, the program allows users to save photos in iCloud by the photostream functions, as well as easier to view updates on the various services. Download Ban.jo is free from the App Store on the link below.
Download Ban.jo for iPhone and iPod touch [iTunes]