Is it a requirement to own a personal smart phone compatible with the app in order to get/keep the job? I'm not sure why a physical "clock in, clock out" solut

Is it a requirement to own a personal smart phone compatible with the app in order to get/keep the job? I'm not sure why a physical "clock in, clock out" solution couldn't be used instead. Or have a shared terminal/tablet/phone where people clock in and clock out.