Get a free Sonic cheeseburger with purchase. You must be logged into your Sonic rewards account on the app or online to redeem the offer. You can find your offers in the app by clicking the account button in the lower left corner then ‘rewards’. This offer is valid once thru April 30 at participating locations.
And don’t forget, you can get ½ price drinks and slushes any time you order online or in the app!
Get even more deals when you subscribe!
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