PerfectReader is described as 'powerful PDF Reader & Annotator. Features PDF ANNOTATING' and is an app in the News & Books category. There are more than 50 alternatives to PerfectReader for a variety of platforms, including Android, iPhone, Windows, iPad and Android Tablet. The best alternative is calibre, which is both free and Open Source. Other great apps like PerfectReader are Foxit Reader (Free Personal), Evince (Free, Open Source), Adobe Acrobat Reader DC (Freemium) and Amazon Kindle (Free).
eReader Prestigio: Book Reader is a multi lingual, multi format text and audio books reading app. Intuitive interface in over 25 languages and an in app store library with over 50,000 text (for children and adults) books and Text-To-Speech (read along) functionality.
Bookoid helps you select from a vast collection of books and easily manage your personal books library. Easily find the the book you want and also explore from a range of book listings. Build your library as you discover great books on the app.
Bluefire Reader is your go-to reading application for ePub and PDF content, including ebooks from most online book stores and leading libraries around the world. Bluefire Reader includes support for eBooks protected by Adobe Content Server.