npub1psdfxfpxz2cwmmnsk60y3nqpn2tqh9n24h4hstvfkwvr6eaek9js499sr7 (npub1psdβ¦9sr7)
Havenβt read entire thread but I own and have used the following Markdown apps which are available for macOS and iOS
https://ulysses.app
https://www.mweb.im/index.html
https://ia.net/writer
I live in Ulysses for longform writing, and I know that some authors like Matt Gemmell use it for writing books (which he outputs to EPUB himself in the app). He compared Ulysses to Scrivener back in 2016:
https://mattgemmell.com/thoughts-on-ulysses-and-scrivener/
& his site has a few scattered posts since then on his workflow