When comparing dupeGuru vs Kaleidoscope, the Slant community recommends dupeGuru for most people. In the question“What is the best app for dealing with duplicate files for Mac?” dupeGuru is ranked 2nd while Kaleidoscope is ranked 4th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Open source
Pro Modes to focus on finding duplicates for specific kinds of files
Such as pictures, or music.
Pro Free
Pro Simple UI
Kaleidoscope has a beautiful and simple UI. It displays the two files that are being compared side to side, highlighting all the differences in a way that's easy to understand.
Pro Diff within a line
When working in code, line-by-line diff can still be hard to spot small changes within the line. Kaleidoscope will highlight what has changed.
Pro Supports comparing folders
Pro Image difference viewer
Kaleidoscope supports image diff viewer in addition to git diff. It's able to find even the slightest changes between two versions of the same image.
Cons
Con Mac OS only
Kaleidoscope is a Mac OS X only app.
Con Paid software
Kaleidoscope is not free, costing $69.99.