Apple Billing is a convenient and secure payment service offered by Apple Inc. that allows users to make purchases and payments using their Apple devices. It provides a seamless and streamlined way to pay for various goods and services, including apps, movies, music, books, subscriptions, and in-app purchases. In this article, we will delve into the ins and outs of Apple Billing, including its functionality, setup process, usage for purchases, security features, and troubleshooting common issues.