Organisation & background
Onmam is operated by DAYSTONE Co., Ltd., based in Seoul, as part of its wider onmam.com church-IT business, running under a free-under-100-members offer since at least 2017. The product remains live and actively distributed.
Functionality
Onmam is a Korean church-management system covering membership and pastoral records, double-entry offering and financial accounting with budgets, and Christian-education administration. It is offered as a hosted service integrated with the vendor’s church-website product, or installed on a church’s own server. It prints a wide range of member-record cards and statistics, and offerings can be looked up by type, individual, family and year. A pastor and volunteer app and a member app are included.
Localised features
Prints donation receipts for Korea’s National Tax Service, NTS, regime, sends SMS, and supports Excel and mobile entry of offerings. It is available in Korean only.
Implementation model
Delivered directly by the vendor, sold and onboarded directly by DAYSTONE. Applications go through a vendor-hosted form rather than automated sign-up, and a paid data-migration service is available.
Hosting
You can choose: vendor-hosted (SaaS) or self-hosted. Hosted 임대형 rental plans or a self-hosted 설치형 installed deployment on the church’s own server.
Last full research
August 2026