Columbia Credit Union – Mobile Banking Our Free Mobile Banking app for personal and business accounts makes it easy for you to check your account balances and history, transfer money, deposit checks, pay bills or locate branches or ATMs. First, make sure you’re enrolled in Columbia’s free, personal or business online banking. Enroll now at www.columbiacu.org. IT’S SECURE – We utilize best practices from online banking, such as 128-bit SSL encryption and an application time-out when your phone