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Download the Sonic Drive-In app for Android or iOS and get a mobile coupon for a FREE Medium Slush! No purchase required.

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FREE Medium Slush at Sonic Drive-In

FREE Medium Slush at Sonic Drive-In

Apr 27, 2016 @ 3:11PM CDT | Comment

For a limited time, you can get a FREE Medium Slush at Sonic Drive-In — no purchase required! Simply download the free Sonic Drive-In app for Android or iOS then create a new account and verify your email. Once you've done that, your free slush offer should be available right away. To redeem: visit a participating Sonic Drive-In, open the app, click on "Redeem" then show the coupon to your carhop.

Posted by MrsVonBeau ~ See more Coupons
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