What is the difference between Insperity® OrgPlus® RealTime (SaaS) and Insperity® OrgPlus® (desktop)?

OrgPlus RealTime is a web-based organizational planning solution that enables businesses to visualize, collaborate, plan and make decisions about organizational alignment. Because it is web-based, there are no individual installations and no maintenance required by users. OrgPlus is a single-user desktop application designed for individual development of charts.