Check boxes in the iPhone app
I've seen several questions/suggestions about including checkboxes in your iPhone app. I'm a big fan of the checkboxes. They do give the list a bit more of a "to do" feel.
However, I also like them in Todoist in particular because you have that feature in your online version which allows us to add a task with an asterisk (*) in front of its title. This allows us to simply list something as a heading more than a task. There doesn't appear to be a way to differentiate between the two in your iPhone app.