1. The ability to export records to email for a whole class at a time rather than just individual students.
2. The ability to tell the random chooser to only choose students once before repeating.
I've looked at several of these types of apps and this is by far the best. It's worth the $3.99. I'll still use my Teacher's Pick (popsicle stick) app for choosing turns, but this is wonderful for seating arrangements.