When comparing FBReader vs Cool Reader, the Slant community recommends FBReader for most people. In the question“What are the best eBook readers on Android?” FBReader is ranked 5th while Cool Reader is ranked 7th. The most important reason people chose FBReader is:
FBReader features an in built eBook store for users to download eBooks onto their devices through the app.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Built in eBook store
FBReader features an in built eBook store for users to download eBooks onto their devices through the app.
Pro Simple and fast
FBReader, while offering many options is simple in design, with that allowing for fast use.
Pro Books can be saved to SD card
Pro Cloud sync
FBReader has built in Google Drive sync for the users files, allowing them to store their eBooks online, not taking up room on their local storage.
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.
Cons
Con Cannot search for books on a SD card
Con No light mode
Unusable if you have astigmatism.
Con UI is bad
User interface is confusing and ugly.
Con Complex and confusing app settings
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.