Shake Shack wants you to get online — not in line — for your next burger.
The fast-food chain is offering free burgers to promote the national launch of its order-ahead app, the company announced Monday.
To get a gratis single ShackBuger, customers have to download the iOS Shack App, create an account and use the promo code “shackappy” at checkout.
The app, created to help cut down on the burger giant's notoriously long lines, launched a trial run in October.
Customers can now pay for their food via the app and schedule a pick-up in 15-minute increments at locations across the country. They will also get a reminder text when their order is ready.
Users need to download and order via the app by Feb. 28 for the one-per-customer free burger promotion. The promotion — or the app itself — can't be used at airport, stadium or ballpark locations of Shake Shack.
Shake Shack joins other national food chains, including Starbucks and Chipotle, in the order ahead and pay on your smartphone trend.
An Android version of the app is in development, the company said in a statement.