Unlike Venmo, PayPal Zettle tap to pay does not currently accept cards that require a PIN number for use. In those situations, you will need to request another form of payment from the customer.

Double Tap works as the primary action button in most apps. You can use Double Tap to open and scroll through your Smart Stack, pause timers, take a picture with the Camera Remote app, or pause music.

If your hands are full with groceries or books, or hanging on to a subway car handrail or dog leash, then it’s not easy to operate your Apple Watch in the normal way—by reaching over to tap ...

While Double Tap is a new feature allowing users to control their new Apple Watch, there is a way to use it on older Apple Watch series and iPhones.

This step by step guide with screenshots covers how to use iPhone Back Tap custom controls in iOS 14 with Shortcuts, Accessibility features, and more.

The new gesture is enabled in watchOS 10.1, and can make it a lot easier to use your Apple Watch when your hands are full or messy.

Tap-to-pay is a contactless payment method that's becoming more and more familiar, but some still don't know how to do it.