Below are the top 50 free applications in the Books category(data is pulled from iTunes). We also have a list for the best paid book iPhone apps. Discover Wattpad At Wattpad, we're connecting a global community through the power of the story. On Wattpad, you'll find all the stories to keep you hooked!. Make digital reading even easier with Google Play Books, featuring smart recommendations personalized just for you, access to millions of best sellers, comics.