When comparing CrcCheckCopy vs Kaleidoscope, the Slant community recommends CrcCheckCopy for most people. In the question“What are the best folder/file compare/diff tools for either OSX, Linux or Windows?” CrcCheckCopy is ranked 11th while Kaleidoscope is ranked 12th. The most important reason people chose CrcCheckCopy is:
Files are scanned and their CRC32 hash is stored in a extra file. Using this file you can validate if another folder is identical with this one, even if the other folder is on an offline backup, like your dad's computer.
Specs
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Pros
Pro You do not need concurrent access to the folders you are comparing
Files are scanned and their CRC32 hash is stored in a extra file. Using this file you can validate if another folder is identical with this one, even if the other folder is on an offline backup, like your dad's computer.
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 No GUI
No GUI, so if you cannot handle the MacOS terminal or the Windows command prompt, there are other tools to use to compare folders.
Con Mac OS only
Kaleidoscope is a Mac OS X only app.
Con Paid software
Kaleidoscope is not free, costing $69.99.