Highly customizable, supports a wide range of formats (including some legacy ones), and works across Android, iOS, and Windows.
Before diving into the alternatives, it is important to understand why the shift is happening. iSilo was a product of the PDA (Personal Digital Assistant) era. Its strengths were compression and hypertext linking, features that were ahead of their time in 2000. isilo alternative
Known for its clean, ad-free interface, ReadEra handles almost any document type, including PDF, EPUB, and Kindle formats. Highly customizable, supports a wide range of formats