PopSugar: 10 of the Best Apps For Book-Lovers. “As technology changes and evolves, so do our reading habits. While this age-old pastime used to mean trips to the library or bookstore, devices like smartphones and iPads have made reading a digital habit, one that’s accessible to virtually anyone, anywhere. Apps have especially influenced this new reading experience, thanks to capabilities that cater to the individual reader and put the entire experience in the palm of a hand. We’ve put together our 10 favorite book and reading apps for iOS. The best part is they’re all free — and guaranteed to be the new obsession of every bookworm out there.” This is a slideshow.