calibre VS Polar Feature comparision
| Feature | calibre | Polar |
|---|---|---|
| Multiple languages | ||
| Auto update | ||
| Batch conversion | ||
| Bibliography generator | ||
| Book organization | ||
| Built-in e-Book converter | ||
| Built-in editor | ||
| Built-in Adobe Flash Player | ||
| Built-in PDF converter | ||
| Built-in viewer | ||
| Custom cover image | ||
| Customizable | ||
| DRM Free | ||
| Email notifications | ||
| Facebook integration | ||
| File-sync | ||
| Handwritten Notes | ||
| Indexed search | ||
| Integrated PDF Viewer | ||
| Library management | ||
| Book manager | ||
| Live Push Notifications | ||
| Live updating | ||
| Portable | ||
| Read fb2 format | ||
| Rss to Kindle | ||
| SMS Reminders | ||
| Supports All Ebooks Format | ||
| Sync with e-reader | ||
| Update notifier | ||
| Capture web pages | ||
| Google Chrome Extensions | ||
| Cloud sync | ||
| Document annotations | ||
| Document Repository | ||
| Learn with Flashcards | ||
| Offline Reading | ||
| PDF annotation | ||
| Export to PDF | ||
| Save web page for offline use | ||
| Sync with Anki | ||
| Tags | ||
| Technical paper notes | ||
| Text Highlighting | ||
| Web-Based | ||
| Website annotation | ||
| Share notes | ||
| Works Offline | ||
| Photo notes | ||
| Sync on many devices | ||
| Text formatting | ||
| Sync between devices | ||
| Adapted article view | ||
| Bookmarks | ||
| Mobile friendly | ||
| MarkDown support | ||
| Search by tags | ||
| Protected by Password | ||
| Browser integration | ||
| Cross-references | ||
| Export to LaTeX | ||
| Knowledge Management | ||
| Bookmark organization | ||
| Full text search | ||
| File Tagging | ||
| File-organization | ||
| File Searching | ||
| File management | ||
| Annotations and Flashcard Review | ||
| Ebook cloud sync | ||
| Sync across Devices | ||
| Clean design | ||
| Firefox Extensions | ||
| IFTTT integration |
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