Only the current version so far — new entries appear as the app ships updates.
세통편지 - 내용증명 작성·요금·답변 기한 is a video players & editors app by 엑스노 with 1+ downloads (about 3 estimated). Released Dec 29, 2020. Install growth, rank history, SDKs and ad networks.
From the store listing: “Fill in and copy the template for the certified mail regarding deposit, payment, and contract termination, and even get an estimate of the post office fee and a D-day notification for the response deadline.”
