When comparing Cool Reader vs Calibre, the Slant community recommends Calibre for most people. In the question“What are the best EPUB readers?” Calibre is ranked 1st while Cool Reader is ranked 5th. The most important reason people chose Calibre is:
Features include metadata editing and downloading, coverpage downloading., book tagging and categorization, webpage-to-ebook converter for popular websites, etc. Lots of plugins available to extend functionality.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free and open source
Cool Reader is available completely free and is also open source.
Pro Fully customizable
Pro A wide range of formats supported
Cool Reader supports epub (non-DRM), fb2, doc, txt, rtf, html, chm, tcr, pdb, prc, mobi (non-DRM) and pml formats.
Pro Powerful book management software, very customizable and scriptable
Features include metadata editing and downloading, coverpage downloading., book tagging and categorization, webpage-to-ebook converter for popular websites, etc. Lots of plugins available to extend functionality.
Pro Cross-platform
Calibre is available for Linux, OS X, and Windows, 32-bit or 64-bit.
Pro Open Source
Pro Portable
Calibre has an optional portable build that can be stored on external media along with the users library. It can then be opened from the external media on any windows device.
Cons
Con Constantly changes brightness
Con Could have a better UI design
Con Does not support DRM .epubs
.epubs with DRM are not supported by Cool Reader.
Con Average, non-power users might find the interface somewhat daunting
The interface, while functional is not the most attractive or intuitive which may put some people off and discourage their use.