Sioyek vs Okular

Struggling to choose between Sioyek and Okular? Both products offer unique advantages, making it a tough decision.

Sioyek is a Office & Productivity solution with tags like opensource, academic, annotations, highlights, sticky-notes.

It boasts features such as Dual page view, Sticky notes, Annotations, Highlights, Fullscreen reading mode, Dark mode, Supports PDF, DjVu, XPS, CBZ & CBR files and pros including Open source, Customizable interface, Good for academic/research reading, Lightweight and fast, Available on Windows, Linux and Mac.

On the other hand, Okular is a Office & Productivity product tagged with pdf, epub, odt, annotating, highlighting, commenting, form-filling.

Its standout features include Supports viewing PDF, PostScript, DjVu, CHM, XPS, ePub and other formats, Allows annotating, highlighting and adding comments to PDFs, Has different view modes like single page, facing, overview grid, Supports tabs for opening multiple documents, Has presentation mode for slideshows, Can fill interactive PDF forms, Allows saving filled forms as PDF or text, Has search functionality to find text in documents, Can encrypt PDF files, Has document information and metadata viewer, Supports table of contents navigation, Has different reflow modes for reading ePubs, Can print documents to system printer, and it shines with pros like Free and open source, Clean and intuitive interface, Good performance with large PDFs, Lots of annotation and markup tools, Supports many document formats, Available on Linux, Windows, macOS.

To help you make an informed decision, we've compiled a comprehensive comparison of these two products, delving into their features, pros, cons, pricing, and more. Get ready to explore the nuances that set them apart and determine which one is the perfect fit for your requirements.

Sioyek

Sioyek

Sioyek is an open-source PDF viewer designed for reading scientific papers and academic journals. It provides advanced PDF features like synchronized dual-page view, sticky notes, highlights and annotations. Sioyek aims to offer a clutter-free interface for focused reading.

Categories:
opensource academic annotations highlights sticky-notes

Sioyek Features

  1. Dual page view
  2. Sticky notes
  3. Annotations
  4. Highlights
  5. Fullscreen reading mode
  6. Dark mode
  7. Supports PDF, DjVu, XPS, CBZ & CBR files

Pricing

  • Open Source

Pros

Open source

Customizable interface

Good for academic/research reading

Lightweight and fast

Available on Windows, Linux and Mac

Cons

Limited features compared to paid options

Lacks OCR capabilities

No mobile apps

Less intuitive than mainstream PDF readers


Okular

Okular

Okular is a versatile document viewer software for KDE. It supports viewing PDFs, EPUBs, ODT, and other document formats. Okular allows annotating, highlighting, commenting on documents as well as filling forms.

Categories:
pdf epub odt annotating highlighting commenting form-filling

Okular Features

  1. Supports viewing PDF, PostScript, DjVu, CHM, XPS, ePub and other formats
  2. Allows annotating, highlighting and adding comments to PDFs
  3. Has different view modes like single page, facing, overview grid
  4. Supports tabs for opening multiple documents
  5. Has presentation mode for slideshows
  6. Can fill interactive PDF forms
  7. Allows saving filled forms as PDF or text
  8. Has search functionality to find text in documents
  9. Can encrypt PDF files
  10. Has document information and metadata viewer
  11. Supports table of contents navigation
  12. Has different reflow modes for reading ePubs
  13. Can print documents to system printer

Pricing

  • Open Source

Pros

Free and open source

Clean and intuitive interface

Good performance with large PDFs

Lots of annotation and markup tools

Supports many document formats

Available on Linux, Windows, macOS

Cons

Limited format support compared to some alternatives

Annotation features may be limited for some users

No cloud storage integration

Less features than paid alternatives