readfy: The ebook flatrate

readfy offers 130,000+ e-books for free via an ad-supported flatrate, with most titles in German and thousands in English and Spanish. Every e-book is complete, not excerpts, and the catalog is monetised by mobile ads.

Key features include bookmarks and notes that sync across devices, adjustable font size, margins, background color, and brightness, a powerful search, easy sharing on Facebook or Twitter, and the ability to create and share reading lists.