Whataburger is celebrating their 70th birthday with free burgers for their customers!
When you purchase one Whataburger through its app, you will get a second one free.
To redeem the free burger, you must sign into your Whataburger account for the digital coupon. A barcode will appear to present when paying. Your order must include at least one No. 1 Whataburger.
Add-ons are not included and won't be discounted.
The promotion runs through Aug. 9.
Click here for more information.