Different payment methods per iPhone.
I know you can’t separate out apps to different cards, but can I have different payment methods assigned to different iPhones? My wife’s gaming addiction is out of hand.
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but can I have different payment methods assigned to different iPhones?
Uses your own Apple ID, 1 iPhone your Apple ID and the other iPhone your wife's Apple ID.
Link each Apple ID to a payment method.
You cannot link one credit / debet card to two Apple IDs.
See -> Payment methods you can use with your Apple ID
Payment methods you can use with your Apple ID – Apple Support (UK)
Add money to your Apple ID balance
Add money to your Apple ID balance – Apple Support (UK)