Amazon calculates a product’s star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers, and factors that establish reviewer trustworthiness.
I can definitely recommend this software. I bought it just out of curiosity because animation is a hobby of mine. I contacted the company and negotiated a 5% discount as the $2,000,000 was a little more than I was willing to spend on a hobby. It works great and does everything it claims and more.