Is the "premium" membership for the calculator linked to the supporter membership on the forum? I have paid to be a supporting member and it's prompting me to pay for the calc now. Just my opinion here, but I think that's sort of a big ask and would prefer to pay for one membership.
We aren’t associated with soapmakingforum.com, just soapmakingfriend.com. Similar name, but not the same forum, and soapmakingforum doesn’t have a software program.