Processing of the actual credit card transaction is managed by National Australia Bank, one of Australia's major banking institutions with a strong commitment to customer service and provision of e-commerce services. (publish.csiro.au)
Okay, I realize this is pretty general... BUT... with that being said, MOST major banking institutions have an app... and the larger ones (Bank of America, BB&T, Wells Fargo, etc.) have awesome features like the ability to mobile deposit checks, transfer money between accounts, and some you can even do mobile bill pay! (stillbeingmolly.com)
Major banking institutions allow you to set up automatically recurring transfers from your checking account to your savings, but apps can allow you to more exactly determine how much to set aside, with minimal effort on your part. (valuepenguin.com)