How much does Plum cost? Plum April 15, 2018 17:21 Updated Follow It's free! There are no fees for using Plum and no additional costs for withdrawing money either. We make money from our partnerships, find out more here. Related articles What is the interest rate on my Plum savings? Are there any tax implications for saving with Plum? Where are my Plum savings held? What will happen to my savings if I pass away? Can I sign up to Plum without a Facebook account? Comments 0 comments Article is closed for comments.