STDU Viewer vs FBReader : Which is Better?

STDU Viewer

STDU Viewer is a compact viewer for many computer file formats. Developed by STDU

License: Free Personal

Categories: Office & Productivity

Apps available for Windows

FBReader

FBReader is a free ebook reader. Main ebook formats: ePub (including main features of ePub3), Kindle azw3 (mobipocket), fb2(.zip). Developed by Geometer Plus

License: Open Source

Categories: News & Books

Apps available for Mac OS X Windows Linux Android Symbian S60

STDU Viewer VS FBReader Feature comparision

Feature	STDU Viewer	FBReader
Portable
Support for regular expressions
Tabbed interface
Lightweight
Low memory usage
Highlighter
Optimal performance
PDF annotation
Fill PDF Forms
Edit PDF
Handwriting recognition
Multiple languages
Export to PDF
Document annotations
Sync between devices
iPhone/iPod sync
Night mode/Dark Theme
PDF OCR
Clean design
Customer support
Cross-platform
Vim key mapping
Built-in Image converter
Supports BPG image format
Customizable
Batch conversion
Built-in e-Book converter
Built-in viewer
Annotations and Flashcard Review
Ebook cloud sync
Sync across Devices
Indexed search
Text to Speech
Dropbox integration
Google Drive integration
Network Monitoring
Interface Overlay
Library Manager
Auto fetch album covers
Education
Fullscreen support
Material design
Android Sync
Built-in Commenting System
Free books
Library management
Sync with Dropbox
ICloud Integration
Sync with iCloud