This free event has ended, but find upcoming FreebiEvents here. Enjoy National Frozen Yogurt Day with this coupon for a free 6 oz. frozen yogurt at Menchie’s valid on February 6. To access the coupon, you’ll need to enter your email address and join their mailing list. Redeem when you show the original coupon on your mobile device or printed. Cannot be combined with any other offer. One coupon per guest. Valid at participating locations in the U.S. and Canada.