I think "floor plan app" is the keyword you want to use, there are a bunch of these. You draw a floor plan and then most of them can give you a 3d render based

I think "floor plan app" is the keyword you want to use, there are a bunch of these. You draw a floor plan and then most of them can give you a 3d render based on that. I used floorplanner.com, but there are several options.