There are several of these coming out these days, including Disciple.tools, which might be the front-runner. But have you looked at Redux? https://apps.apple.com/us/app/redux-discipleship-management/id1508196078 Thoughts? Comparisons? Advantages? Missing pieces? If you haven’t checked it out before, this is an application specifically geared toward helping you keep track of contacts and disciples for Great Commission purposes. (Thanks A.S.!)