There doesn't seem to be an option for on disk encryption. I don't want to leave my notes on dropbox or another sharing service in plain text - something that Laverrna has baked in. I just wish Laverna was as polished as this app.
It might seem ugly to factor out the encryption like this, but even though it requires a little configuration, it's an example of elegant software composition. Its also good from a security perspective relative to every little notebook application containing its own encryption system.
I prefer applications to focus on one thing and do it very well, and leave other orthogonal functionality to other applications or the OS to then do the other parts very well. In this respect Quiver is well designed, I tip my hat to the author.