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 ...
Accept credit cards on your phone using mobile readers and apps from Square, PayPal, or Chase. Download the app, connect a reader and start processing payments.
Mobile credit card payment processing apps for Android include PayPal, Square, SumUp, QuickBooks and Shopify, offering varied fees, hardware and features.