Ebook Reader - Sách Hay Online is an iPhone application that offers a wide range of famous books for users to read online. The app also allows users to explore various genres of books completely free of charge.

As a non-commercial app, Ebook Reader - Sách Hay Online encourages users to support Publishers and Authors by purchasing physical copies of the books whenever possible.

Key features of Ebook Reader - Sách Hay Online include the ability to read books online, quick book search, saving favorite, currently reading, and finished books to lists. The app also provides book categorization to help readers find their preferred genres more efficiently. Additionally, the reading interface allows users to take notes, translate text, read in night mode, switch between horizontal and vertical scrolling, and share memorable quotes, among many other attractive features.