Mobile phone billing for Apple ID purchases comes to seven new countries around the world

Mobile phone billing – also known as carrier billing – for Apple ID purchases is now available in a further seven countries in the world. This allows people to pay through their mobile phone bill for App Store, iTunes Store, and Apple Books purchases – as well as Apple Music subscriptions …
Apple expands mobile phone billing for App Store and other services to three more countries
Apple has slowly been expanding mobile phone billing (or carrier billing) to additional countries, and three more have been added to the short list of supported countries this week. Customers in Austria, Italy, and Singapore can now use mobile phone billing with select carriers where available.