Score a FREE Slush with Sonic's App ~ As Seen on TV! As advertised on their latest TV commercial, be sure to download the new Sonic app to score a FREE Slush! What a tasty freebie to enjoy while you're out and about on a busy day of couponing! Download for Apple HERE or Android HERE. Thanks MySavings Never miss a freebie again! Join our "Free Free Free" Facebook Group View Post