You can accept iPhone payments with credit card readers from processing companies like Clover Go, Square Reader, PayPal Zettle, Helcim, Payanywhere, or SumUp.

How to Use Square: An In-depth Guide for New Users Your email has been sent Before you can begin using Square, it must first be set up properly. This step-by-step guide explains how to do so. Though ...

We reported on the dongle-based audio signal credit card reader for iPhone and other connected mobile devices a short while ago, which has been pioneered by Twitter creator Jack Dorsey. Square uses a ...