The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
USAutos lets you search through local or national automotive listings. Lots of features such as - Google maps of locations- Photos- Post cars to facebook and get your friends' opinions- View featured vehicles in your area- Let USAutos know what you are looking for and it'll send you email updates when it finds matches