You can download the Sonic App to score a free Slush or Drink. Plus you’ll be able to use the app to find locations, earn rewards, pay with your phone and more. See offer for details.
Sonic: Free Slush or Drink W/ App
You can download the Sonic App to score a free Slush or Drink. Plus you’ll be able to use the app to find locations, earn rewards, pay with your phone and more. See offer for details.