You might be paying more for YouTube Premium if you subscribed through Apple

Apple's App Store is quietly a major source of the company's revenue. Every time an iPhone user subscribes to a service through Apple's billing platform, the Cupertino giant skims up to 30 percent off the top of each recurring charge. The practice has been so brazen that a court ruled Apple must allow third-party billing to be offered, then, last year, the same court found the company in contempt for violating that ruling when it charged developers a comparable fee to implement their own billing tools. But app developers had already adjusted to Apple's fee skimming long before the court case w...