iTunes was integrated into all Apple products for the better part of 18 years; music-lovers that still listened to their playlists from 2005 and who had amassed a collection of thousands of songs feared that all of this data might be erased after Apple revealed in 2019 that iTunes would be discontinued
. However, its replacement promised a seamless transition that allowed Apple users to keep all of their previously downloaded songs, playlists, MP3's, ripped CD's, etc
. Access to that content is not possible for those that had switched to Spotify, YouTube Music, or any other streaming service.
The availability of the iCloud Music Library feature allows users to sync their entire Apple Music catalog to any other device signed in with the same Apple ID
. Apple Music works on all Apple devices including, but not limited to, CarPlay, Apple Watch, Apple TV, and HomePod. It also runs on devices that are not made by Apple, such as PC, Android, and Amazon Echo
. While other streaming services also work on various devices and interfaces, they do not offer full integration within Apple's entire ecosystem.