: Use the iTunes Store app on iPhone/iPad or the Apple Music app on Mac/Windows.
: Open the App Store , tap your profile photo, and select "Redeem Gift Card or Code" . You can scan the 16-digit code with your camera. buy it on itunes
The process of "buying on iTunes" has evolved into a multi-app ecosystem. While the remains the primary destination for music, movies and TV shows are now predominantly handled through the Apple TV app . Purchasing Content by Category : Use the iTunes Store app on iPhone/iPad