STDU Viewer vs Xodo : 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

Xodo is a PDF reader and annotator. Developed by Xodo Technologies Inc.

License: Free

Categories: Office & Productivity

Apps available for Android iPhone Windows RT Android Tablet Windows Phone

Feature	STDU Viewer	Xodo
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
Collaborative
Sign PDF files
Ad-free
Create PDF files
Dropbox integration
Fullscreen support
Google Drive integration
Convert images to PDF
In-document search
Multiple Open Tabs
Onedrive integration
Online collaboration
Online Sharing
Pdf-creation
Real time collaboration
Rotate pages
Scan to PDF
Split and merge PDF files
Support for styluses
Add/remove pages
Bates numbering
Browser integration
Browser extension