I don't know when you tried obsidian but it does have a mobile app and a (paid) sync/backup service.
Regarding card-based layout on the new reddit, you can change from card based layout in the top left corner on the new site.
Sounds like what https://www.openmined.org/ is working on.
I don't know when you tried obsidian but it does have a mobile app and a (paid) sync/backup service.
Regarding card-based layout on the new reddit, you can change from card based layout in the top left corner on the new site.
Sounds like what https://www.openmined.org/ is working on.