Free Burger of Your Choice with Any Mobile App Purchase at Jack in the Box on September 18, 2019

In celebration of National Cheeseburger Day on September 18, 2019, Jack in the Box will be offering a free burger of your choice with any mobile app purchase on the day.

You can find and use the one-time-use coupon in the Jack in the Box app on September 18, 2019.

If you're looking at getting the most bang for your buck, the most expensive burgers on the menu include the Double Jack, Sourdough Jack, and Bacon Ultimate Cheeseburger.

Photo via Jack in the Box.

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