You can't check the remaining balance on an App Retailer & iTunes Gift Card. The balance on an iTunes or App Shop gift card alone is either what it says within the encounter on the card, or very little since it has already been redeemed. * This text is from https://check-gift-card-balance-a88765.blogripley.com/32169042/how-much-you-need-to-expect-you-ll-pay-for-a-good-check-gift-card-uk