iMazing - iMazing lets you transfer music, files, messages, apps and more from any iPhone, iPad, or iPod to a computer, Mac or PC. Manage and backup your iOS device simply without iTunes. (was DiskAid)
Spotify - Map shows when two people play same song at same time
Blackra1n - (This is an OUTDATED jailbreaking method.)
SoundCloud - Enjoy music & follow favourite artists
checkra1n - Jailbreak for iPhone 5s through iPhone X, iOS 12.0 and up
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm