Through August 16th, Sonic Drive-In is offering Medium Cold Brew Iced Coffee for JUST $1 when you order using the Sonic iOS or Android app! This offer can be found under your rewards and it’s limited to one-time use.
Plus, you can score half-price Drinks and Slushes any time when you order ahead using the Sonic iOS or Android app!
Also through August 30th, you can score 50% Off Ice Cream Shakes of any size when you order using the Sonic iOS or Android app! This offer also can be found under your rewards.
