We are one of those families who do not have a smart phone. We do stay onsite so we can make reservations 60 days out (which I am not really liking only because I feel my vacation is way too structured now). That said, if I need to reschedule a ride for whatever reason, I will either be stuck waiting on a kiosk line or giving up a ride because I do not own a smart phone. I am hoping the kiosk lines will not be awfully long as I want to waste as little time standing on line rearranging my park rides. At least with the old system, I could hand off the passes I could not use and sprinkle another family with a little "magic", and pull a different fast past with virtually little to no wait time.
You can get a used iTouch that will run my disney experience for less than the price of a ticket to Disney world. There is wifi in the park. You don't need a cell phone.