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.

Transform your Android device into a convenient and affordable payment processor by choosing one of the best credit card readers for Android.

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

As many Android phones lack SD card slots, reading such cards requires an SD card reader. We've compiled a list recommended by users to help you out.

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