As of 2026, it remains a top choice for readers due to its custom rendering engine and "FBReader Book Network," which allows users to sync their library via Google Drive. Where to Download FB2 Readers
: Often cited by long-time users for its simple interface and excellent performance on low-end devices. Why the FB2 Format? FBReader for Android
If you are looking for an app to read FB2 files, you can find them on the or download APKs directly from developer sites.
: A highly-rated alternative that is free, ad-free, and requires no registration.
Launched in 2009, FBReader was one of the first apps on the Android Market. It gained massive popularity—now with over 30 million installs—by supporting the FictionBook (.fb2) format, which was the standard for digital books in Russia and Eastern Europe during the 2000s.