FBReader for Android and iOS feature comparison table

Android – FBReader 2.8 iOS – FBReader 1.0
File formats
Text-based formatsePub, fb2(.zip), mobi (a.k.a. Kindle azw3), MS Word doc, RTF, HTML, plain text Yes Yes
Image-based formatsPDF, comics, DjVu Premium version, plugins No
Reading features
Table of contents Yes Yes
Footnotes Yes Yes
Bookmarks Yes Yes
Text-to-speech Third-party plugin, built-in TTS will be added in release 3.0 VoiceOver can read current page. More features to be added in release 2.0
Dictionary integration With a number of third-party dictionaries With a built-in iOS dictionary
Online translators Google Translate or Yandex.Translate. Available in paid versions only, shows translation for first 100 chars in a pop-up window, opens browser for long phrases.
Library
List view Yes Yes
Thumbnail view Premium only Yes
Custom shelves Premium version or bookshelf plugin Will be added in release 1.1
Book sharing Yes Yes
Network features
FBReader Book Network access Via OPDS, will be integrated into the library view in release 3.0 Fully integrated with the library view
Positions synchronisation across devices Yes Yes
Bookmarks synchronisation across devices Yes Yes
External OPDS catalogues Yes Will be added in release 1.1
Adding own OPDS catalogues Yes Will be added in release 1.1
LitRes store account access Yes Will be added in release 1.1
Languages support
Hypenations 24 languages 24 languages
Interface localisation 37 languages English and Russian, more languages to be added soon
Chinese line break Yes Will be added in release 1.1
Other
Free version limitations No built-in PDF/comics support, no bookshelf (thumbnail library view), no integration with online translators Maximum ten books in the library, no integration with online translators