Bindo is a GPS group tracker that tracks your own location and transmits this to your friends who also run Bindo on their iPhone. So you can see where your friends are at this moment and also your friends can see where you are. iTunes Link Of course only those friends who you authenticate can see your location. Features: Several different Map Styles, depending on your need. Map data is cached, so if you go to the same place again, no need to download the maps again from the internet. You can also use this to download the map data via WiFi (e.g. at home or your hotel). Just pan over the area where you plan to go. Once you are out you can use these maps even without any internet connection. Waypoints You can add picture to your waypoint Design the waypoint marker, to mark a camp site, bus stop, car etc. Send the waypoint to your friends, who can import this incl. picture/photo Trips All your trips are recorded on the iPhone You can send an entire trip to your friends, who might use it as reference for their own journey. Colors and line strength of the trips can be indivodually adjusted. Messages You can send instant messages to your friends without leaving the App.