Mark/Space today announced that , the company's Mac OS X synchronization software for hiptop mobile devices, now fully supports synchronizing with SunCom Wireless' hiptop and hiptop2 devices. The Missing Sync for hiptop integrates with Apple's iSync technology to provide two-way synchronization of calendar events, contacts and to-do items between a Mac and a hiptop mobile device. Now, SunCom hiptop owners who use a Mac can "have their most current information at their fingertips." The Missing Sync currently supports Mac OS X 10.3.x; a free update with support for Mac OS X 10.4 "Tiger" is expected by the end of June.