Itunes

Redeem a gift card with your iPhone, iPad, or Apple Vision Pro

1. Find the 16-digit code on the back of the card. ... 
2. Open the App Store app.
3. At the top of the screen, tap the sign-in button. ... 
4. Tap Redeem Gift Card or Code. ... 
5. Tap Use Camera and follow the instructions on the screen. ... 
6. Tap Redeem.