Mobile credit card payment processing apps for Android include PayPal, Square, SumUp, QuickBooks and Shopify, offering varied fees, hardware and features.
You can accept iPhone payments with credit card readers from processing companies like Clover Go, Square Reader, PayPal Zettle, Helcim, Payanywhere, or SumUp.
Square is one of the best-known credit card processing companies on the market today thanks in part to the Square card reader that allows customers to accept credit cards straight from their mobile ...