Summary: Vio Bank is an online-only banking division of MidFirst Bank, one of the largest privately held banks in the United States. Launched in 2018, Vio Bank focuses on providing deposit accounts with competitive interest rates.
Here’s a look at the products and services offered by Vio Bank:
Online savings account: Vio Bank’s online savings account currently offers 1.10% APY with a minimum opening deposit of $100 required. There are no monthly fees associated with the account unless you opt to receive paper statements. Interest is compounded daily and credited monthly.
Certificates of deposit: Vio Bank’s CD terms range from six months to 10 years, with interest rates up to 4.30% APY. There is a minimum opening deposit requirement of $500. Interest compounds daily. If you withdraw your CD funds before the account reaches maturity, an early withdrawal penalty will apply (varies according to CD term length).
Money market savings: The Cornerstone Money Market Savings Account offers a competitive 4.46% APY with a minimum opening deposit requirement of $100. There is no monthly fee and interest compounds daily. This account ranks among our top 10 picks for the best high-yield money market accounts available today.
Vio Bank doesn’t charge any monthly account fees or overdraft fees. However, there are a handful of fees you may encounter as a VIO Bank customer.
Read more: What are bank fees, and how do I avoid them?
Here’s a look at some of the perks and drawbacks of banking with Vio Bank:
Pros
Competitive interest rates on CDs and money market accounts: Vio Bank offers some of the highest rates on the market for CDs and money market accounts, up to 4.46% APY.
No monthly account fees: Vio Bank doesn’t charge any monthly fees for account maintenance.
Cons
No physical branches: Vio Bank is an online division of MidFirst Bank and does not operate any physical branches for customers to visit.
Limited account options: Vio Bank currently offers three types of deposit accounts, but does not offer a checking account option. It also does not provide lending or investing services.
Vio Bank representatives are available via phone during the following hours:
Monday through Friday from 7 a.m. to 9 p.m. CT
Saturday from 8 a.m. to 6 p.m. CT
Sunday from noon to 4 p.m. CT
Customers can also submit a form to be contacted by a banking representative.
Additionally, Vio Bank offers a mobile app on the App Store and Google Play with a rating of 4.6 and 2.9 stars, respectively. Customers can use the app to check account balances, search transactions, deposit checks on the go, and access statements and tax documents.
Read more: 10 best mobile banking apps of 2025
Vio Bank is a division of MidFirst Bank, which is an FDIC-insured bank. This means that deposits are insured up to the federal limit of $250,000 per depositor, per institution, per ownership category.
Vio bank’s routing number is 303087995.
Vio Bank is owned by MidFirst Bank, the largest privately owned bank in the US.
