1. A system for providing downloadable subscription-based software to one or more wireless devices, comprising: one or more wireless devices, each wireless device in selective communication with a wireless network and selectively downloading one or more subscription-based software applications to be executable on the wireless device, and each wireless device selectively transmitting subscription-based application deletion data for any downloaded subscription-based application that has been deleted by the wireless device; one or more application download servers, each application download server selectively communicating with the one or more wireless devices across the wireless network and downloading to the wireless devices at least one subscription-based software application, each application download server generating subscription-based application download data for each subscription-based software application downloaded by a wireless device therefrom; and an accounting module to account for the use of subscription-based software applications by each wireless device, the accounting module receiving subscription-based application download data from the one or more application download servers and subscription-based application deletion data from each wireless device, and wherein the accounting is based upon the subscription-based software application download data and subscription-based application deletion data.