The BusyToDo App automatically syncs with iCal and BusyCal to create a comprehensive to-do list for your iPhone. If you need to keep track of your life on your Mac, chances are you’ll need to do the same thing when you’re on the go, so this app might be nice to have. You can set due dates and priorities, and keep short notes on all of your upcoming tasks. Tasks can be sorted in a number of ways, and you can assign alarms to act as notifications and reminders, which is probably far and away the most useful part of this app, because we all know how our memories can be when they aren’t backed up digitally. Get your life in order today for just $0.99.