See Introducing “ū—”: A Distraction-Free Writing Environment for an answer.
Enjoy! I did.
For added enjoyment, you should perhaps first take a look at this: The key to good writing is not that magical glass of Bordeaux, the right kind of tobacco or that groovy background music. The key is focus.
But be sure to read to the end, for otherwise you are going to miss some exquisite pretentiousness of the German kind, like: "The original title was 'Writing Machine', a literal translation of the German 'Schreibmaschine' which means 'type writer.' But, alas, “Writing Machine' is too long for iOS. More importantly, 'Writing Machine' suggests some sort of artificial intelligence that writes for you, which is exactly the contrary of what a good writing tool does ..."
The name of an application called "Writer" does, of course, suggest that you do the writing, or does it?