It will not let you down. – 1Writer - Markdown Text Editor Review

This is the one folks. If you want to write, simply, sync with Dropbox, and keep track of it all, get 1Writer. It’s a fork of the venerable Plaintext. It’s great. I’ve been using it for years, through the os’s through the 6s, 7s, and 8s and now the Xs.
Review by fstarlite on 1Writer - Markdown Text Editor.