코인 펌프알림 - 급등·급락 실시간 알림 is a finance app by MRCOMPANY with 1+ downloads (about 1 estimated). Install growth, rank history, SDKs and ad networks.
From the store listing: “We detect coin surges, plunges, and re-plunges in real-time and notify you immediately. You can set conditions, time zones, and watchlist coins.”