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 ...

$7.01 at Amazon Use code 'NTCIF4MK' This Sabrent OTG card reader is no bigger than a standard USB flash drive. One end has a USB 3.0 Type-C port and the other end has a USB 3.0 Type A port. Both sides ...