Only the current version so far — new entries appear as the app ships updates.
심포니 오브 에픽 쿠폰 is a tools app by HYUN WOO PARK with 5,000+ downloads (about 7.7K estimated). Released Oct 14, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “Shows Symphony of Epic coupon information and sends a push notification when a new coupon is issued.”