What's a good iOS app for reading EPUB and other ebook formats on my iPhone?

NBReader is a solid choice for reading ebooks on your iPhone, especially if you have a collection in various formats. It supports EPUB, which is a common format, and likely other formats as well. A key benefit is the ability to customize the reading experience to your preferences. This means you can adjust things like font size, background color, and screen brightness to make reading comfortable in any environment. The app also includes features for managing your ebook library, such as organizing books into collections and tracking your reading progress. While its rating indicates there may be areas for improvement, it still provides a functional solution for reading ebooks on the go. For those looking for a straightforward ebook reader with customization options, NBReader is worth considering.