Elements (iOS)
Used by 2 peopleapps.apple.com ↗

“I really like Elements for writing, and I keep Drafts around too.”
Matt Gemmell Interview, Mac and iOS developer · via Uses This 
“Elements on the iPhone is in many ways better than any of the word processors I've used on the Mac or PC.”
Bennett Foddy Interview, Moral philosopher, game developer · via Uses This