Apple's racked up 27 millionsubscribers, said Craig Federighi, senior vice president of software engineering, Monday at WWDC.
That's about 7 million more since December.
For context, music streaming service Spotify hit about in March.
Apple Music was first launched in late 2015 and got an overhaul last year.
This is a developing story. Follow our WWDC live blog for real-time coverage.
Shara Tibken contributed to this story.