Instapaper vs Polar : Which is Better?

Instapaper

Instapaper browser extension to save links for offline reading. Developed by Instapaper Holdings, Inc.

License: Free

Categories: News & Books

Apps available for Online Android iPhone iPad Apple Watch

Polar is an integrated reading environment to actively read, annotate, create flashcards, and track progress. Developed by Kevin Burton

License: Open Source

Apps available for Mac Windows Linux Electron / Atom Shell

Feature	Instapaper	Polar
IFTTT integration
Save web page for offline use
Google Chrome Extensions
Clean design
Firefox Extensions
Offline Reading
Adapted article view
Bookmarks
Mobile friendly
Visual bookmarks
Tag based
Category filters
Bookmark organization
Full text search
Multiple languages
PDF annotation
Capture web pages
Screenshot Tools
Browser extension
Discovery engine
News
Social network
Knowledge Management
Note organization
Notetaking
Tab-manager
Program Launchers
Cloud sync
Document annotations
Document Repository
Learn with Flashcards
Export to PDF
Sync with Anki
Tags
Technical paper notes
Text Highlighting
Web-Based
Website annotation
Batch conversion
Built-in e-Book converter
Built-in viewer
Customizable
Share notes
Works Offline
Photo notes
Sync on many devices
Text formatting
Sync between devices
MarkDown support
Search by tags
Protected by Password
Browser integration
Cross-references
Export to LaTeX
File Tagging
File-organization
File Searching
File management
Annotations and Flashcard Review
Ebook cloud sync
Sync across Devices
Indexed search