The Financial Times claims that its sources have told it that the EU will indeed probe Apple's potential anti-competition business practices. The decision follows 'surveys' of interested parties such as Spotify, who claim that the Cupertino company rigs music consumption on the iOS platform in its own favor.
https://www.notebookcheck.net/EU-set-to-investigate-possible-anti-trust-behavior-by-Apple-based-on-Spotify-s-complaints.420205.0.html