XBODY UK review for Stamped Reviews & Loyalty

After deleting their app (after years of using it), their Reward widget (part of their Review app) is still visible on our website and we cannot remove it. More than a week after we and Shopify's support team has contacted them, they have still not sorted it out - apart from emailing us a couple of times to let us know they have passed it on to the correct department. Very poor customer service. Will never use Stamped again for this reason alone!