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SumatraPDF vs SyncBack

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

SumatraPDF icon
SumatraPDF
SyncBack icon
SyncBack

SumatraPDF vs SyncBack: The Verdict

⚡ Summary:

SumatraPDF: SumatraPDF is a free and open-source PDF, eBook, XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Windows. It is lightweight, customizable, and supports many advanced PDF features.

SyncBack: SyncBack is a backup and file synchronization program for Windows. It allows users to easily backup, synchronize, and restore files and folders locally, over networks, and to the cloud. It supports incremental backups and various compression methods for efficient storage.

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 SumatraPDF SyncBack
Sugggest Score — —
Category Office & Productivity Backup & Sync
Pricing Open Source —

Product Overview

SumatraPDF
SumatraPDF

Description: SumatraPDF is a free and open-source PDF, eBook, XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Windows. It is lightweight, customizable, and supports many advanced PDF features.

Type: software

Pricing: Open Source

SyncBack
SyncBack

Description: SyncBack is a backup and file synchronization program for Windows. It allows users to easily backup, synchronize, and restore files and folders locally, over networks, and to the cloud. It supports incremental backups and various compression methods for efficient storage.

Type: software

Key Features Comparison

SumatraPDF
SumatraPDF Features
  • Lightweight and fast PDF reader
  • Supports many document formats like PDF, ePub, MOBI, XPS, DjVu, CHM, CBZ, CBR
  • Customizable with themes, keyboard shortcuts
  • Tabbed document interface
  • Supports annotations and highlighting
  • Continuous scrolling
  • Supports reflowable text
  • Supports digital signatures
  • Supports comics book formats
  • Supports eBooks
  • Supports syncing open documents across devices
SyncBack
SyncBack Features
  • Real-time sync
  • Backup versioning
  • Compression & encryption
  • File filters
  • Scheduling
  • Error handling
  • Notifications
  • Cloud support (OneDrive, Dropbox, etc)
  • Portable & silent modes
  • Command line interface
  • Extensive logging
  • Unicode & 64-bit support

Pros & Cons Analysis

SumatraPDF
SumatraPDF
Pros
  • Lightweight and fast
  • Supports many document formats
  • Free and open source
  • Customizable
  • Good support for comics and eBooks
Cons
  • Limited annotation features compared to advanced PDF editors
  • Lacks OCR capabilities
  • No cloud storage integration
  • No mobile apps
SyncBack
SyncBack
Pros
  • Easy to use interface
  • Very customizable
  • Wide platform & storage support
  • Incremental backups to save space
  • Open source version available
  • Active development & support
Cons
  • Can be resource intensive
  • Initial setup not intuitive
  • Pro version expensive

Pricing Comparison

SumatraPDF
SumatraPDF
  • Open Source
SyncBack
SyncBack
  • Not listed

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Learn More About Each Product

SumatraPDF
SumatraPDF
Reviews, pricing & alternatives →
SyncBack
SyncBack
Reviews, pricing & alternatives →

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