Pay-by-phone transactions let you charge digital purchases directly to your...

https://milosimpressivejournals.quillnesty.com/posts/what-are-qr-code-payments-and-when-do-they-help

Pay-by-phone transactions let you charge digital purchases directly to your phone bill or use prepaid credit. It’s a simple way to buy apps, games, or subscriptions without needing a credit card