Kindle is one of the biggest actors on the ebook scene, and for this reason there are apps available for almost all platforms. It can be used not only to read electronic textbooks, but also to manage your ebook collection, both in online or offline mode.
The official Kindle app for iOS, has reached the 3.0 version yesterday adding support for the retina text display of the latest iPad and a new, enhanced library design concentrated on two basic tabs: Cloud and Device. Cloud manages all items from your online Kindle library and Devices shows the ones already stored locally on your device.
Just like on previous versions, you can use this app to view or subscribe to a variety of ebooks and magazines, create bookmarks, sync with Kindle devices and change view scheme. On the iPhone, the possibility to see the library in grid view was added, and titles can be sorted by author, title and date.
You will find it useful for providing access to a big collection of ebooks that you can buy from your device and then read it, take notes, highlight fragments of text and whatever else suites your needs.