Disclosed is a method for determining a most cost effective wireless service for a wireless device implemented at least in part in the wireless device. The method includes obtaining with a wireless device processor wireless service usage information for the wireless device. The method further includes determining with a processor a cost of various wireless service plans based on the wireless service usage information, determining with the processor the most cost effective wireless service in response to the determining with the processor the cost of various wireless service plans, and displaying a most cost effective wireless service information in a graphical user interface on a display of the wireless device. A device for implementing the method is disclosed as well.