you don't need to login to use the app. zaps are sent anonymously if you're not logged in. if you want to create a library, you can create a new account with the sign up flow in the app.
I'll wait to check it out when nostr:npub1yfg0d955c2jrj2080ew7pa4xrtj7x7s7umt28wh0zurwmxgpyj9shwv6vg supports Amber.
you don't need to login to use the app. zaps are sent anonymously if you're not logged in. if you want to create a library, you can create a new account with the sign up flow in the app.