Program rosters on scanners/app

It would be very helpful for us to have more feedback during the scanning process on who on the roster has been scanned in and who hasn't been scanned in yet. We are moving away from our start location for most of our programs, so before we begin our hike/program, we need to know if we are still waiting for registrants and ideally including information such as what price type (i.e. child/adult). Having this information readily available on the same device that we are using to scan would allow us to eliminate paper rosters and make sure that we have scanned everyone in properly by being able to see feedback of who has/hasn't been scanned in.