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Okular vs Sync.ME

Professional comparison and analysis to help you choose the right software solution for your needs.

Okular icon
Okular
Sync.ME icon
Sync.ME

Okular vs Sync.ME: The Verdict

⚡ Summary:

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.

Sync.ME: Sync.ME is a cross-platform address book sync and backup service that allows you to synchronize your contacts, calendars and tasks between devices. It supports syncing between mobile devices, computers, and web services.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Okular Sync.ME
Sugggest Score
Category Office & Productivity Social & Communications
Pricing Free

Product Overview

Okular
Okular

Description: 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.

Type: software

Pricing: Free

Sync.ME
Sync.ME

Description: Sync.ME is a cross-platform address book sync and backup service that allows you to synchronize your contacts, calendars and tasks between devices. It supports syncing between mobile devices, computers, and web services.

Type: software

Key Features Comparison

Okular
Okular Features
  • 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
Sync.ME
Sync.ME Features
  • Sync contacts, calendars and tasks between devices
  • Supports syncing between mobile devices, computers and web services
  • Backs up contacts to cloud storage services like Google Drive and Dropbox
  • Available as mobile apps for Android, iOS and Windows Phone
  • Desktop apps available for Windows, macOS and Linux
  • Web app accessible from any browser
  • Syncs data between platforms like Google, iCloud, Outlook.com
  • End-to-end encryption for data security

Pros & Cons Analysis

Okular
Okular

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
Sync.ME
Sync.ME

Pros

  • Easy to set up and use
  • Syncs data across multiple devices and platforms
  • Backs up contacts to cloud for extra redundancy
  • Free version available with basic features
  • Paid version affordable for individual users

Cons

  • Mobile app lacks some features of desktop and web apps
  • Initial sync can be slow with large contact lists
  • iOS app does not sync calendars
  • Free version limits number of synced contacts

Pricing Comparison

Okular
Okular
  • Free
Sync.ME
Sync.ME
  • Not listed

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