Overview

• Dunkin' Rewards members get a free medium hot or iced coffee with any purchase made through the Dunkin' app on Sept. 29.
• Krispy Kreme is giving a free medium coffee and a free doughnut of choice with no purchase required, and its $1 dozen glazed offer with purchase ends today at participating shops.
• Whataburger app rewards members can claim a free 16-ounce iced coffee or 12-ounce hot coffee with no purchase necessary.
• Starbucks is offering 100 bonus Stars on any brewed coffee purchased through Sept. 29, which is enough for a free cup on a future visit; some outlets note a separate $7 Grubhub+ delivery discount on $20+ orders today.
• Convenience and travel-center chains are in the mix, including Circle K’s one free medium coffee in-app today, Sheetz’s any-size free self-serve coffee with any purchase Sept. 29–Oct. 1 for loyalty members, and Pilot/Flying J’s free hot coffee via the Pilot app.