Carrier billing lets you pay for apps, games, or digital content by charging...

https://stephenwgyg797.fotosdefrases.com/what-are-the-downsides-of-carrier-billing

Carrier billing lets you pay for apps, games, or digital content by charging the cost to your phone bill. If you have a monthly plan, the amount appears on your next bill. For pay-as-you-go users, the charge is taken from your available credit