FREE Dunkin Donuts Coffee for DDPerks members!!! A reader, Tammy, let us know that Dunkin Donuts is offer FREE Dunkin Donuts coffee for DDPerks members through the app (iced or hot) every Monday thru 8/16. Thanks, Tammy! Share this: More {2 comments} Growly June 27, 2021, 10:58. I don't see this offer in my app yet (6/27, 11am PT), but we'll see if it shows up. ... Store Coupon Policies ...