This app was mentioned in 1 comment, with an average of 2.00 upvotes
https://play.google.com/store/apps/details?id=com.corradodev.customizable_countdown_widget&hl=en&referrer=utm_source%3Dgoogle%26utm_medium%3Dorganic%26utm_term%3Dcustomizable+countdown+widget&pcampaignid=APPU_1_HdVOVfeuDcWogwT09IGIBg