Couldn’t find referral codes anywhere by Googling, figured we could at least have a thread here? 
Anyways, my code is rJVYDk, or you could simply follow the link below <3
Blockquote
Here’s an invitation to Supernotes, a new note-taking and knowledge management app that I think you’d really like! Supernotes
Don’t forget to leave your own codes down~
Awasome, thanks for the extra cards 
Here is mine aswell: QJEJsX
Great, here is mine also: XjNrYB
Cheers, thanks very much for the free cards! Here is mine!
Or - just the code for those who want to enter it fGIMXp
Would love to grab some extra cards if possible please 
This app is simply amazing!
Just worked out how this all works 
Hoping this helps more people discover this beautiful application.