515m people subscribe to Apple apps and services

"Sales of services such as streaming television content rose with billions of people locked in their homes, the company said. The segment, which includes iCloud storage as well as its streaming services for music and television shows, saw sales of $13.4bn, compared with analyst estimates of $12.9n, according to FactSet data. Cook said Apple had 515 million subscribers to apps and services, up by 125 million from one year earlier."
Source:  The Guardian, 30th April 2020
Note - I'm assuming that this is 'people' rather than devices