Cash App for iOS is a mobile payment service developed by Square, Inc. It allows users to send, receive, and request money from friends and family quickly and securely using their iOS devices. The app is available cash app download for pc for free download on the Apple App Store and is compatible with iPhones and iPads. Overall, Cash App provides a convenient and user-friendly way for iOS users to manage their finances, send money to others, and make purchases both online and in stores.