I have had good success with the collector and the geoform for mobile 'apps' for various field courses. This time, I am looking for an option to average at a location and various intervals at different locations ..I'd like to then of course get (1) the location but also (2) the number of averages? Of course I can do this on my Trimbles but dont see the options on the Esri mobiles ... the students at this college are mostly Iphone