The ability to have multiple people check in at different times is very helpful, as well having an easy way of keeping track with all my notes that I'm taking during services so we don't miss anything important! It's nice being able keep up w/ everything going down & coming back from each service via this app instead off writing it out by hand or typing things into another piece o paper (which tends t get lost). Not much other than what i've mentioned above but overall its been great using PCA - especially since they are willing work together when needed which makes life easier!! Nothing really bad about Pc A either just some minor glitches here n there nothing too majorly negative though would be good if you could log your phone number somewhere else rather then needing one specific box checked like now where u need 2 boxes selected.