The answer is mostly no, but not quite 100 percent. I found free or very inexpensive software that just required a small payment for the removal of an on screen watermark text, but was otherwise free. So, no outlay.
The results were disappointing. You only got a slight standout more sharply defined scene. Also, you would need the brightest tv out there as the view was a little dark. The cinema 3d is a lot brighter screen.
And the main reason for this is that things really need to be shot natively in 3d. That is with two camera's, one offset from the other. It is nigh impossible to do this with a flat 2d image.
Having said this. I think 3D tv will return one day with improvements to the technology, especially if you don't have to wear any special glasses.