Like Square, Card.io is a credit card machine for your phone. But unlike Square, which requires a dongle, Card.io just takes a picture of the credit card to grab all those digits for payment. It’s ...
The 5 Best Credit Card Readers for Android (Recommended By Experts) Your email has been sent Limited-time offer: Earn $400 when you process $5,000 in transactions within 60 days of approval of your ...