The next stage of Shake Shack’s digital evolution has arrived. The rapidly expanding burger chain, which plans to add up to 40 new U.S. restaurants in 2019, unveiled a redesigned mobile app Tuesday and launched web ordering nationwide.

Shake Shack, in collaboration with development agency Fuzz and mobile-ordering platform Olo, said the mobile app relaunch was reworked with a guest check-out experience and fresh look that specifically addresses convenience and personalization. The Shack App was released roughly two years ago. It allowed guests to order ahead and schedule a pickup time.

“Knowing that consumers demand faster, easier and more personalized experiences, Shake Shack used guest data to develop a number of enhancements that optimize the path to purchase,” the company said.

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