Pay-by-phone lets you buy digital goods and services with just your mobile...

https://www.social-bookmarkings.win/pay-by-phone-lets-you-buy-apps-games-or-services-online-and-charge-the-cost

Pay-by-phone lets you buy digital goods and services with just your mobile device. Charges go straight to your monthly phone bill or use prepaid credit if you have it. It’s a simple way to pay without needing a credit card or bank details during checkout.