Overview

• McDonald’s will phase out all five CosMc’s pilot locations by late June and discontinue the standalone app and loyalty program on June 23.
• Launched in December 2023 to test custom beverage flavors and technologies, CosMc’s initially drew heavy interest but struggled with sustained demand and long wait times.
• The chain shuttered three underperforming CosMc’s sites in January and will now close the original Bolingbrook, Illinois outlet along with four Texas locations.
• Many top-performing CosMc’s items, such as the Sour Cherry Energy Burst and Churro Cold Brew Frappe, are slated for inclusion in a U.S. beverage trial at over 13,000 McDonald’s restaurants.
• McDonald’s says insights from the CosMc’s experiment will guide bold new drink flavors and processes across its core menu.