Visiting the website there is a 15 day trial available to have a taster.
It however is designed for burst/batch processing. It does nothing for a single image
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Run 1 with 5 K10D images (minimum 3) not a true burst < second between. It took the third image and renamed it as the first (was it the image I was looking at at that save point)? most effect was to wash out a lot detail this maybe most likely to it not being a true burst set.
Run 2 with 4 K5II images in true burst of my ushenka, original shows shows material strands clearly with varying noise reduction it blurs the detail even at minimum correction.
I think others with more experience should give this ago and pass comment? It maybe that I am using images that are too close/detailed/clean (run2).
Run1 set certainly had noise but did not seem much different after.
Try the trial it may save a some pennies?
Alan