FREE My Sonic Fan Club
Join the FREE My Sonic Fan Club and as a member you'll get some pretty tasty perks! For instance, they will send you a surprise on your birthday [a coupon for a free medium Tots, a 14 oz. CreamSlush Treat, or a medium Soft Drink]. You'll also receive exclusive offers and coupons via email throughout the year. You can redeem your rewards at your local SONIC Drive-In by opening them on the Sonic free mobile app on iOS and Android.
Sonic Drive-In is an American drive-in fast-food restaurant chain based in Oklahoma City, Oklahoma. As of August 31, 2011, there were 3,561 restaurants in 43 U.S. states, serving approximately 3 million customers per day.