Based on our record, MacPaw Gemini 2 seems to be a lot more popular than Duplicate File Finder by Nektony. While we know about 16 links to MacPaw Gemini 2, we've tracked only 1 mention of Duplicate File Finder by Nektony. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
In terms of duplicates, you can scan the NAS folder via SMB using a Mac program called Gemini. Source: 11 months ago
There is a commercial solution called Gemini 2 from MacPaw that you might check out. I've been testing it and it's pretty straightforward and can be used to identify dupes that you then manually check too: http://macpaw.com/gemini/. Source: 11 months ago
Have used 'Gemini 2' on Mac (via mounted shares) with reasonable success. Source: over 1 year ago
If you are looking for deleting duplicate files, Gemini 2 has been solid for me. Source: over 1 year ago
In fact, I was recently looking for an app to help me detect duplicates in Apple Photos after thousands of images accidentally got merged into my library, and discovered Gemini 2 through a Google search, not Mac Paw pushing it on me. Now that app may be advertised in CleanMyMac X somewhere, but I'd never seen it before. Source: over 1 year ago
I know of two: Gemini 2 already mentioned, and Duplicate File Finder by Nektony. Nektony makes quality apps. Not sure why they don’t get mentioned more often. Source: over 1 year ago
dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
PhotoSweeper - PhotoSweeper helps photographers get rid of tones similar photos on OS X.
Avast Cleanup - Next generation tuneup and cleanup for your PC
AllDup - AllDup is a freeware tool for searching and removing file duplicates on your Windows computer.
TreeSize - TreeSize tells you where precious disk space has gone to.