In one aspect, an application object for a synchronization system is provided on a network coupled processing device. The application object may comprise a plurality of objects, each object translating third party data to a universal middle format, including a root object providing an entry point into individual application databases; and at least one child object; and at least one interface object. In another aspect, an application object is provided on a server coupled to a network. In this aspect, the application object may comprise an application data function call interpreter, the interpreter being accessible to a synchronization engine and an application running on a network coupled device having user data; and a universal data record mapping formatter.