Patrick's Appointment Reminder doesn't have much in common with your smart phone app. Patrick's app is really a robocall tied to a central calendar. Your smart

Patrick's Appointment Reminder doesn't have much in common with your smart phone app. Patrick's app is really a robocall tied to a central calendar. Your smartphone is just a personal calendar. You could cobble together a solution using manually sent email to meeting invites, but it wouldn't work for all customers as well.