Does it make any difference who is the primary applicant and who is the secondary applicant? February 24, 2020 21:58 Updated Follow No, it does not make any difference in what loan amount or interest rate SoFi can offer you. Related articles If my loan application is denied, can I apply again with a co-borrower? Why was I denied with a co-borrower? How do I add a co-borrower to my loan? Do you accept co-borrowers for Personal Loans? What’s the difference between a co-applicant, co-borrower, and co-signer?