Visit Kroger.com today to download a digital coupon for free Greek yogurt! Varieties include Activia Greek, Activia Greek Light, Light & Fit Greek, Yopa!, Oikos and Stonyfield Greek. This digital coupon is only available for download today until 11:59 p.m. PT. The eCoupon must be redeemed by 1/25. There is a limit of one per shopper’s card. Remember, digital coupons cannot be combined with manufacturer coupons.