appts - The Date Book does not provide a way of displaying events or appointments that are weeks or months apart.
For example dental appointments are 6 months apart, physical exams with your family doctor are about a year apart, car maintenance appointments are 3-4 months from one another
Items maintains an alphabetically sorted list of items allowing multiple selection.
Either the full list can be shown in order to select items or only the selected items can be displayed to be marked as done.
Items is optimal for shopping lists and other (recurring) reminders. It is designed to be used with fingers only
PlanMyDay imports todays entries from the built in calendar and todo application.
Then the user can assign a duration for every entry and move them in the order the appointments should be done.
So the use can see what to do first and what can be done today
Projects - With projects you can manage more than just one todo list like in the built-in todo app.
I wrote projects because I needed to keep track of what is still to do for a project I was working on.
Unfortunatelly I was working on two projects at a time so I tried to work with categories in the todo app, but that wasn't it. So I wrote projects
Appointments is probably the most simple appointment tracking program out there. It's perfecy for the average person that only needs a simple appointment application to help keep track of their daily lives
Daily Journal offers an easy method for keeping track of daily events. Immediately call up minutes from meetings, personal notes, recipes, whatever you desire because you create the categories. Number of categories only limited by your available memory