Shake Shack App Coupon: Buy One Burger, Get One Free

The Shack App is a mobile ordering app, available at select Shacks. You can now order Shake Shack via your mobile phone when you want it. You don’t have to wait in line to place your order, and your order will be ready at or near the time you select. The app was created so that your food is freshly prepared. We’ll let you know as soon as your order is ready…just look out for the notification!