It is more expensive than most of the mosaic software on the market. Most are priced between $30-50. At nearly $100 for the pro version, it is pricey.
Many people can get by with the home version. But you are limited to a 10mb output file. The biggest image I could make with 20x20 cells was A4 without bumping up against that limit.
The pro version is very flexible. No limit on the size of the file. Different shapes for the cells. Etc. I was impressed with how quick and easy it was to use.
I do agree that people have to weigh their options. Different users will come to different conclusions. I have a number of images that can benefit from the technique.
Thanks for the comment re. the mosaic.
Cheers,
Mitch