How much does Plum cost? Plum January 06, 2018 22:10 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? Where are my Plum savings held? Are there any tax implications for saving with Plum? What will happen to my savings if I pass away? Can I sign up to Plum if I live outside of the UK? Comments 0 comments Article is closed for comments.