Ryfma is a content subscription service for writers and readers. Content creators can earn money from users who subscribe to their content—the "sponsors".
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Android
- iPhone



KOReader is described as 'An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Kindle, Kobo, PocketBook, Linux and Android devices' and is a popular PDF Reader in the news & books category. There are more than 50 alternatives to KOReader for a variety of platforms, including Android, Windows, Mac, Linux and Android Tablet apps. The best KOReader alternative is calibre, which is both free and Open Source. Other great apps like KOReader are SumatraPDF, Okular, Readest and Librera Reader.
Ryfma is a content subscription service for writers and readers. Content creators can earn money from users who subscribe to their content—the "sponsors".











Quill is an open-source, Qt-based eBook reader for Kobo devices. It also comes as an entire native open-source OS and provides support for a number of devices.



BookFab Kobo Converter is a practical tool for turning Kobo eBooks into common formats like EPUB and PDF. It removes format restrictions so you can read your purchased books on any tablet, smartphone, or e-reader.

Kingshiper EPUB to PDF Converter is the best and perfect eBook Converter to help you convert ebook files to any format without losing quality.



