I am with you. 45 min is fantastic. Formatting is always an issue though.
In fact, I am also writing a piece (unrelated to the app) on the best way to become a mediocre writer — to pick up the phone and start writing. 😀
Because I hired someone who was comfortable writing on his phone — opposed to laptop. Strange I thought.
I can generally tell the comments I get from a phone and those who are on a keyboard. It isn't just the length of the comment itself, it is the brevity of thought and sentence structure. There is a different feel, which is of course a natural result of changing the writing tool, just like changing the medium and brush set for a painter.
I hear from many who say they are better on a phone, but I think it is going to be A long time before the great American novel is produced from a touch keypad on a 4inch screen.