Learn about free and cheap iPhone credit card readers and explore technologies like tap to pay that enable you to accept payments without a card reader. In my evaluation, here are the best free and ...

The 5 Best Credit Card Readers for Android (Recommended By Experts) Your email has been sent Android devices have made significant technological advancements in recent years. Like iPhones, they can ...

Q: I’m using a Square credit card reader that attaches to my smartphone, but I’m finding that the transactions don’t always go through properly. Is there a certain smartphone or cellular service ...