The new Citibank for iPhone application is a tool to make banking more convenient for you, The application locates the nearest branch or ATM in your area and offers other features including Foreign Currency Exchange Rates. This application is available free for download. Here is what you can do with Citibank for iPhone: 1. Search for nearby ATMs or Branches by GPS, 2. View Citibank Foreign Currency Exchange Rates, 3. View Foreign Currency Time Deposit Interest Rates in major currencies.