Apple Pay™ can be used at any store that has a contactless payment method on their card machines. Look for these symbols to know that you can make your purchase with Apple Pay™. Once prompted, simply hold your device over the contactless card reader with your finger on the home button to activate the Touch ID. That’s it.
To pay with your Apple Watch, double-click the side button and hold your watch over the reader. Note: The default card will show, but if you want to change cards, just swipe.
To make in-app purchases, look for these symbols within the payment options to pay with Touch ID: