View in HD at . WHen macOS Catalina comes out this fall, iTunes will be replaces with Music, Podcasts and TV apps. This leaves many people wondering what will happen to their iTunes puchases, media and how they will sync their iOS devices. The transition should be seemless for all, with many just experiencing the equivalent to an app name change from iTunes to Music. Syncing will move to the Finder. Changes to some aspects, like ringtone syncing, is unclear.