Spotify isn't happy that its iOS customers have to pay an additional $3 for a premium subscription if they make the purchase through the App Store. That's why it's planning to send them instructions on how to apply for a subscription straight from the company's website. The Verge got its hands on a copy of the letter, wherein Spotify made clear that "the normal Premium price is only $9.99, but Apple charges 30 percent on all payments made through iTunes." That ups the total to $12.99, which is only $2 away from Apple Music's six-person family plan. That email, if you haven't gotten it yet, contains links that make it easy to cancel Spotify's auto-renew on iTunes and redirect you to the service's website. You'll have to wait until your current month ends before you can re-subscribe, but after you do, you can enjoy the same service without Apple's added fee.