Only the current version so far — new entries appear as the app ships updates.
폰값깎기 - 통신비 감면 휴대폰 요금 계산 is a video players & editors app by 엑스노 with 1+ downloads (about 2 estimated). Released Jan 1, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “Am I eligible for a mobile phone bill discount? Discount amounts and limits by eligibility (welfare recipients, near-poverty, basic pension, and disabled), and even monthly bill records.”