Navizon is a positioning system that combines WiFi and Cellular triangulations to locate your iPhone in many places where the iPhone's built-in mechanism cannot locate you. Navizon relies on a community of thousands of users contributing WiFi and Cellular towers locations.
Before buying, try Navizon Lite.
Compared to the Lite version the full version has:
- Trail Logging to keep track of the places you go.
- Unlimited buddy location alerts.
- Locate yourself using a combined GPS, WiFi and Cell tower powered positioning system.
- Buddy Finder to locate your loved ones at any time.
- Navizon Groups that let you see the position of users sharing the same interests.
- Navizon Alerts that let you trigger an event such as receiving an email or calling a URL where you or one of your buddies enter a location of interest. You can receive up to 5 alerts per months with the Free version and an unlimited number of alerts with the Premium version.
* Configure these additional features at