A unique personal account used to access Apple services such as the App Store, iCloud, iTunes, and Apple Music. An Apple ID stores a user’s contact information, payment details, and device settings, enabling seamless integration across Apple devices such as iPhone, iPad, Mac, and Apple Watch. With an Apple ID, users can sync data, make purchases, manage subscriptions, track devices, and access personal files in iCloud. Apple IDs are secured with passwords, and additional protection is available through two-factor authentication.