Pay-by-phone lets you make purchases by charging them directly to your monthly...

https://www.stealth-bookmark.win/pay-by-phone-lets-you-buy-digital-goods-easily-by-charging-purchases-to-your

Pay-by-phone lets you make purchases by charging them directly to your monthly phone bill or using prepaid credit. It’s a simple way to buy digital goods without a credit card, making checkout easier on your phone