Can I sign up to Plum without a Facebook account? Iga June 20, 2017 15:41 Updated Follow Yes, you can sign up and use Plum without a Facebook account through Facebook Messenger. You don't need a Facebook account to use Messenger. Related articles Do I need a regular income to save with Plum? When will my first automatic saving transfer take place? Which banks does Plum work with? How much does Plum cost? Can I adjust how much Plum is saving? Comments 0 comments Please sign in to leave a comment.