Instapaper make you enable to download and save web text for offline reading.
Syllable helps you to enhance your speed reading.
Enhance your vocabulary with the help of digital dictionary and thesaurus by visiting Dictionary.com.
Readmill is an e-reader app with a twist: you, along with the entire Readmill community, can join in on discussing and analyzing whatever book you're reading.
Goodreads allows you to choose the book famous according to social world with respect to their opinion about relative books.
A similar to Instapaper but need not to waste your time in searching, allowing you to read your favorite non-fiction on the go.
Now improve your memory, focus and general brain function by Lumosity, designed by neuroscientists.
Now listen your most favorite book instead of just reading with Audible App.