Ask the intended recipient to check:
1.
Check the spam folder of the Web version mailbox.
2.
Check the spam folder of the mail client software.
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See -> Give apps, music, films and more from Apple
Give apps, music, films and more from Apple – Apple Support (UK)
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1.
If the recipient can't find the email with the redeem button, you can resend the gift.
2.
If there's an issue when you send a gift
- The recipient of your gift must have an Apple ID in your country or region. For example, if you're in the United States, you can't send a gift to a friend who lives in Australia.
- In some regions, you can't send gifts. Store availability also varies by country or region. Find out what's available in your country or region.
- If you use Family Sharing and Ask To Buy is turned on for your account, you can't purchase gifts.
- You can't gift individual songs on an iPhone or iPad. To send a song as a gift, use your Mac or PC.
- You can't send apps, TV programmes or films as a gift on a Mac or PC. To gift those items, use an iPhone or iPad.
- You can't send a free app or item as a gift. But you can tap the Share button or the arrow button to share a link to the app or item.
3.
Cancel a gift
If you want to cancel a gift, you can contact Apple Support up to two days before the scheduled delivery date.