Here’s an easy way to get a Sonic Freebie!! First of all, you will need to download the Sonic App to your device. Then, visit the My Sonic account section, to get a B1G1 couponfor a Strawberry Banana Split Molten Cake Sundae.
Just show them the coupon on your phone (or print and take it with you).
Offer available at participating locations, so inquire before you place your order.