One criticism so far: it seems like you can only have one Nostr account at a time? If so, that's kind of a bummer.
Huh, nostr:npub1plstrz6dhu8q4fq0e4rjpxe2fxe5x87y2w6xpm70gh9qh5tt66kqkgkx8j seems pretty nice so far! Pretty polished!
Discussion
That depends on the client. Some clients are starting to allow multiple accounts within the same device and app, but it's rare so far.