watch, mac, and ipad. start by adding your credit or debit card to the wallet app on your iphone, and you’ll have the option to add it to your other devices in one easy step. when you want to pay, just double-click, tap, and you’re set. you still get all your card’s rewards and benefits — so you won’t miss out on any hard-earned points or,cash account, you must be 18 and a u.s. resident. if you’re under 18, your family organizer can set up apple cash for you as part of their apple cash family account. security checks may require more time to make funds available. apple cash family accounts can send or receive up to $2000 per transaction or within a seven-day period. sending money from wallet requires ios