You can redeem your Apple Gift Card directly on your device, and use it at the Apple Store and apple.com, the App Store and iTunes Store, and for any goods and services from Apple. Apple Gift Cards are available in the U.S., Canada, and Australia.
To learn more about this topic visit the following article:
How to redeem your Apple Gift Card or App Store & iTunes gift card: https://apple.co/3bEoDxA
Additional Resources:
Contact Apple Support for iPhone: http://apple.co/iPhone
To subscribe to this channel: https://www.youtube.com/c/AppleSupport
To download the Apple Support app: http://apple.co/2hFtzIv
Apple Support on Twitter: https://twitter.com/AppleSupport
For more videos, go to Youtube Apple Channel