Chaka is described as 'Read fluently and comfortably, with simple and clear interface' and is a Ebook Reader in the news & books category. There are more than 25 alternatives to Chaka for a variety of platforms, including Android, Android Tablet, iPhone, iPad and Windows apps. The best Chaka alternative is Librera Reader, which is both free and Open Source. Other great apps like Chaka are Readest, KOReader, Koodo Reader and Book's Story.
PerfectReader is a powerful PDF Reader & Annotator.
Features
PDF ANNOTATING The long-awaited feature now comes to PerfectReader 2. You now can mark up texts (highlight, underline, strikeout), handwrite with the Ink tool, create Sticky Notes, and make FreeTexts. Annotation.
