We have built and Apple just approved our app called Deadlines.
Basically a to do list built on top of a calendar with an added sprinkle of urgency.
https://itunes.apple.com/us/app/deadlines/id560034747?mt=12
Basically a to do list built on top of a calendar with an added sprinkle of urgency.
https://itunes.apple.com/us/app/deadlines/id560034747?mt=12