Ulysses has been my writing app of choice for years, and I get questions about it all the time. I know writing apps are very personal, and what makes an app great for me might not make it great for you, but here are some of the things that make Ulysses the undisputed king of writing apps for me. Download from the App Store: https://itunes.apple.com/us/app/ulysses/id1225571038?mt=8&uo=4&at=10l8rH