Studiometry 5.1 adds two-way iCal syncing for the first time. This will allow users to modify items in iCal or Studiometry and have the updates synced immediately in either direction. Several other features have been added as well, including time zone support for remote network connections, new Invoice ID management features, many new summaries features, and more. This update, which is a free update for registered Studiometry 5.x users, contains more than 50 new features, enhancements, and bug fixes.
Full Press Release: Studiometry 5.1 Press Release