I use Obsidian and I also gave notion a try.

The good thing about notion is that yiu can access your notes on your phone, tablet, ... . However, the user experience is so bad. Notion has very slow UI and it hasn't got any better for a couple of month.

Now, I am back to obsidian and sync my files to Proton Drive. This isn't comfortable though because proton Drive has no sync features yet, but it's good enough for me. Most of my work is done on my laptop anyway.