What does Amazon Mobile use for their cart?
When I log-in to the Amazon Mobile app and go to my cart, it has all of my credit card info obviously. Are they not required to use the in-app purchasing though? If not, how are they getting around this?

This is on any iOS device.
What does Amazon Mobile use for their cart?
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When I log-in to the Amazon Mobile app and go to my cart, it has all of my credit card info obviously. Are they not required to use the in-app purchasing though? If not, how are they getting around this?

This is on any iOS device.