Bartisan

Offer multiple free gifts at once or offer customers a choice from a list of free gifts (E.g choose any 2 out of 3). Regular products from your inventory can be used as gifts. Unlike other apps, you don't need to create $0 products which can messes up inventory. If a customer adds the same item to their cart again, the normal price applies. Offers in cart upsell like frequently bought together product upsell + one click upsells & more.