When a gadget company sells its products for big bucks, it has every reason to refine its designs on an ongoing basis, making them ever more tempting to paying customers. But if the gizmo in question ...

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 ...

The Square payment system hasn't exactly had a smooth road to availability, with deliveries put on hold back in June due to an ominous "credit processing and risk issue." If that didn't scare you away ...

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 ...

Square credit card readers are in thousands of stores and restaurants, but the company realizes there are industries where its software isn’t appropriate. That’s why today it introduced the Square ...

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.

Q: I’m using a Square credit card reader that attaches to my smartphone, but I’m finding that the transactions don’t always go through properly. Is there a certain smartphone or cellular service ...