Credit unions usually contract with a company like PSCU to handle their cards, so the backend part isn't the problem. I'd also go as far as to say that if a credit union or bank is relying on interchange to make up for revenue shortfalls, they aren't well-run.
Banks make the real money off credit interest, not the interchange fees. Smaller banks and credit unions often offer lower interest cards to their members. (AMEX is the opposite, since their users must pay off the balance each month. They have higher interchange than other cards, which is why merchants avoid AMEX.)
When a bank/credit union signs up for Apple Pay, they suddenly have new extra fees on top of their normal operations:
1) The transaction fee that Apple demands.
2) The tokenization fees charged by the networks.
3) Extra accounting and auditing to make Apple happy.
Moreover, they are forbidden by the Apple Pay contract to pass on the extra costs to the ones who cause it: the Apple Pay customer.
I think in addition to the rates - they are worried long term about having a company in between them and their customers. People may start to look at Apple as part of their banking experience - and I think it's the law we're only allowed to have 5 banks![]()
Yes, in addition to the high rates Apple wants, they don't like the power Apple is gaining over purchases by being the one to provision the device, and the only one allowed to put an NFC app onboard.
Banks are also not happy about the information that Apple wants sent back to them. The contract requires the banks to provide "an extensive set of statistics for Apple regarding their Apple Pay activity, including nearly three-dozen categories of quantifiable information. Categories include number and dollar volume of credit and debit activity, average ticket, breakdown of transactions between in-store and in-app usage, and top 100 merchants by charge volume."