Simple to do list using speech to text
Enter items with microphone or keyboard
Check off items
Edit and email list
See graph of important tasks completed
Top 6 items are highlighted
I use this app myself to quickly jot down things I have to do.
I also use this along with Tree Task which I use to break down more complicated projects.
This is a very good book on to-do lists and keep in mind that my app is more of a "brain dump" but still pretty useful I think: