4.1.7
Aug 6, 2026 · seen Oct 18, 2026
YBM 올인올 중한중 사전 is a books & reference app by DaolSoft, Co., Ltd. with 1,000+ downloads (about 1.3K estimated). Released Jan 8, 2013. Install growth, rank history, SDKs and ad networks.
From the store listing: “▶ The best app made by YBM / Si-sa, the best language learning institute in Korea ▶ More than 102,000 headwords, about 300,000 vocabulary”