Amazon’s Kindle app update for iOS 7 lets users group books

Amazon’s Kindle app is introducing its own update for the new iOS 7. A new feature in this version called “Collections” helps you organize your e-book library easily and more to your liking. You can now add your e-books to more than one category. Amazon has also tweaked the design of the app around the themes of “deference, clarity, and depth.” It has flatter-looking controls, a translucent effect, and slide-out menus that combine key controls of the app.