Task Cards

Task cards is the easiest task management app for the iPad. It uses index cards to organize tasks on a desk top, and provides simple tools to manage them.
Features include:

▸ Tasks can be shared across index cards.
▸ Due dates and recurring tasks.
▸ Priorities.
▸ Search.
▸ Notes.
▸ Sorting by due date, priority, or alphabetical.
▸ Quick access to overdue and today's tasks.
▸ Ability to see completed tasks on the back of a card.
▸ Emailing tasks.
▸ Pinch card to view all cards.

Some of the reviews
* "Simple enough to be useful"
* "I have never ever been more organized"
* "Outstanding. Best to-do list I've found"
* "I use it more than other more sophisticated apps I've purchased for the ease of the interface"
* "Brilliant in its simplicity"
* "Focuses on features, not frills"