I got this not knowing the difference between the 9.99 version and this one (still don’t) and found the interface to be overly complicated. For example, the iphotos library opens in another window with no clear way to search for duplicates. Once I figured out you had to drag them to the dark gray window and run compare, all was well until I realized there are a lot of duplicates in Photos that this tool does not find. But I ran this against a huge 32GB aperture library and it worked great. Go figure.
Jiggy Gaton about PhotoSweeper Lite