Experience Shake Shack in a whole new way. The Shack App is a mobile ordering app, available at most Shacks in the United States. 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! FEATURES - Order ahead and select any available time to schedule your order pickup. Your order will be made fresh-to- order, and we’ll notify you as soon as it’s ready. - Find Shacks via a location finder. - Pick from your favorite orders. - Keep track of food allergies and access nutritional information, etc.