I'm possibly one of those people who aren't genetically inclined to these kinds of applications...all I know is, if an app doesn't work seamlessly across MacOS,

I'm possibly one of those people who aren't genetically inclined to these kinds of applications...all I know is, if an app doesn't work seamlessly across MacOS, iOS/iPadOS and Windows, it's no good for me. Obsidian is great, but totally failed for me on the iPhone. I couldn't navigate at all. I don't know if that's my fault or Obsidian's, but that meant it was broken, and I moved on. (OneNote is great these days.)