I’ve never tested Obsidian, but back in time, I tested a lot of file-managing and note-taking applications, and I fell in love with Devonthink, which I used for everything in my life: notes, creative writing, organizational writing, bookmarks, accountancy, passwords, to-dos (the list literally endless). I feel like I live in this app, and I don’t know how I would manage my digital life without it.
The only down point for me in the app is that I cannot find the same custom order of all my files and folders that I have on the desktop version when I browse the databases from an iOS device (like my iPad), and that just kills me. (I created a post about missing this feature here: https://discourse.devontechnologies.com/t/we-need-unsorted-capabilities-on-dttg-and-heres-why/).
Otherwise, it is an amazing app. Especially because of the ability to browse and edit text documents simply by selecting them instead of opening and closing them. That makes life better. 