When comparing FBReader vs Adobe Acrobat Reader, the Slant community recommends FBReader for most people. In the question“What are the best desktop readers?” FBReader is ranked 6th while Adobe Acrobat Reader is ranked 13th. 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
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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 Real All PDF
There isn't a PDF file which cannot be read by this app.
Pro Cloud compatible
Can connect to Dropbox and Google Drive.
Pro SD location recognition
Locate SD location and scan it quickly.
Pro Multiple view modes
Page, scrolling, two-page (in landscape) and a reflow mode.
Pro Just works
The app reads all PDF files.
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 Does not work without log-in
Adobe is one of the biggest data harvesting companies.