Only subscription is possible but interesting indeed (Please do not make Moi subscription only based in the future).

http://www.cgchannel.com/2022/11/otoy-launches-octanerender-studio-subscriptions/

https://home.otoy.com/render/octane-render/purchase/#studio

First I mistakenly thought that it was Octane Render that supported Moi now but that was not the case ;-).

The guy making Maverick Render has stated that he would make it compatible with Moi if the demand is high enough.