Free Big Macs this week plus other deals thanks to Grubhub anniversary

Grubhub is celebrating 20 years (how is that even possible?!) and celebrating with a McDonald’s partnership. Here’s how to score the free big Macs! On July 28, order at least $15 worth of food and drinks from McDonald’s, and get a free Big Mac. The offer is good for the first 20,000 people who claim it.

The deal doesn’t stop there, here’s other ways to score with Grubhub during the week of July 24–30.

Little Caesars: 20 percent off orders $25 or more

Arby’s: 20 percent off orders $20 or more (up to $6 off)

Shake Shack: 20 percent off orders $30 or more (up to $6 off)

CVS: 20 percent off orders $25 or more

Chili’s: 20 percent off orders $30 or more (up to $6 off)

Sweetgreen: 20 percent off orders $25 or more

Jack in the Box: 20 percent off orders $20 or more

Buffalo Wild Wings: 20 percent off orders $25 or more (up to $7 off)