It is for PC only.

I use Nvil as well, and despite some quirks to it...as a polygon modeler, it is a very good app. It really does get monthly updates and support. It it is also quite feature rich with fast workflow, better then the more popular apps out there.


This is the latest version:
http://voidworld.cmcproductions.co.uk/index.php/topic,2597.0.html