How much does SoFi Relay cost? February 25, 2020 01:01 Updated SoFi Relay has no fees or costs for use. Related articles What are the benefits of SoFi Relay? How is SoFi Relay related to other SoFi products? How do I sign up for SoFi Relay? Do I get access to financial planners through SoFi Relay? Something’s not working! How can I get this fixed?