iPhone is a pretty good device for reading e-books. As an e-book reading device, iPhone has become even more interesting after Amazon released the Kindle application for iPhone. But is Kindle for iPhone the best e-book reading software?
I've tried eReader, Kindle for iPhone and Stanza. I find Stanza to be the most functional and useful e-book reader application for iPhone. Stanza is a feature-rich application and a lot of free e-books are available for it, 25,000+ free titles from Project Gutenberg for example.
These three e-book reader application are free. Thus, you can try and decide which to keep on your iPhone. After using these applications, I've decided to keep Kindle and Stanza.