Dynamo Studio does not have the ability to work with any Revit interaction at all, so if you need any kind of Revit interaction you cannot use Studio.
So to answer your question, no, if you’re using Revit do not use Dynamo Studio.
If you’re only using geometry/list management etc then Studio is for you.
@Nick_Boyts says it quite nicely in this post:
It has been my experience that if you have “heavy” graphs then both calculation time and working in them can be eased greatly by using custom nodes (I’ve personally seen an increase in speed of my calculation of 4x using custom nodes to handle the heavy calculations)