There are many devices/apps to use when reading and EPUB formatted ebook or document.
Which one is the best?
That’s of course up to your specific needs including cost, availability, size, and design but one place to visit for some guidance is this list with results of testing done by EPUBTest.org, a service of the Book Industry Study Group and Daisy Consortium.
Here you’ll find info and rankings about the EPUB capabilities of about 40 e-reading systems.
The rankings are based on nine criteria which can be seen and sorted on this page.
Clicking on a specific app will take you to detailed findings.
The grid also provides an overall ranking.
Currently, the Top 5 Overall are: