When comparing Sumatra PDF vs Adobe Acrobat Reader, the Slant community recommends Sumatra PDF for most people. In the question“What are the best desktop readers?” Sumatra PDF is ranked 4th while Adobe Acrobat Reader is ranked 13th. The most important reason people chose Sumatra PDF is:
Including PDF, XPS, DjVu, CHM, EPUB, Mobi, FictionBook, PalmDoc, and comic books.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Reads many file types
Including PDF, XPS, DjVu, CHM, EPUB, Mobi, FictionBook, PalmDoc, and comic books.
Pro Book updates on the fly
If Book font, style is changed, Sumatra will take the update instantly, No need to close first and import again! Huge time saver for self publishing.
Pro Portable
The application consists of a single file that can be run without installation. You can put it on an external device, such as an usb thumb stick and run it on any Windows machine from the thumb stick.
Pro Multilingual
It's available in 69 languages.
Pro Free and open source
Sumatra is available for free, licensed under GPL with source code available on GitHub.
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 Windows only
No Linux or OSX versions available.
Con Does not work without log-in
Adobe is one of the biggest data harvesting companies.