iPhone Apps to Credit card processing

Wise (formerly TransferWise) is a multi-currency account and international money transfer service offering cheap, fast, and transparent ways to send and receive money globally. It provides real mid-market exchange rates, unlike traditional banks, and allows users to hold and manage balances in over 50 currencies.

Google Wallet is a digital wallet service by Google for storing payment methods, loyalty cards, transit passes, and more. It enables contactless payments via NFC and peer-to-peer money transfers.