Sure, there are some programs out there to eliminate the back-and-forth -- if you both use Google calendars, the Smart Rescheduler automatically finds mutual free time -- but for the most part, real-time planning is the time- and annoyance-saving option.
Customers can also preview the app in real-time on their iPad, a time-saving feature to ensurean accurate look and feel, and update their Single Edition apps at no additional cost after they have been submitted to (and approved by) the Apple App store.