How to Use a Phone As a Credit Card Terminal. If you have a smartphone -- be it an iPhone or an Android-powered phone -- you can use a portable card reader to take credit card payments anywhere ...

Tap your phone on the reader at the cash register, and like magic, you’re done. The charge will be processed using the debit or credit card you entered into your digital wallet.

Accepting mobile credit card payments allows your business to make sales anywhere, anytime. Find out how mobile credit card readers work.

Google Pay is faster and more secure than swiping a physical card.