Citibank Mobile is a banking application that allows customers to manage their accounts conveniently from their smartphones. Users can check balances, transfer funds, pay bills, and deposit checks using their device's camera. The app is designed to provide a secure and user-friendly experience for managing finances on the go. In addition to basic banking features, Citibank Mobile offers tools for budgeting and tracking spending. Customers can set up alerts for account activity and access their credit scores. The app is available for both iOS and Android devices, making it accessible to a wide range of users.