Sync between iOS devices via iCloud account
Group task by Location or day of the due date
Local map search of business, landmark or address to add a new location.
Archive past completed tasks with an option for manual archiving.
Today Widget for todays tasks.
Reorder tasks with drag and drop to update due date time or location
Free version limited to 20 tasks at any particular time.
One time $0.99 in app purchase to lift that limitation.