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SumatraPDF vs Update Scanner

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

SumatraPDF icon
SumatraPDF
Update Scanner icon
Update Scanner

SumatraPDF vs Update Scanner: 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.

Update Scanner: Update Scanner is a free software program that checks your computer for outdated software and missing security updates. It scans your system and generates a report showing available updates from various software vendors.

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 Update Scanner
Sugggest Score — —
Category Office & Productivity Os & Utilities
Pricing Open Source Free

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

Update Scanner
Update Scanner

Description: Update Scanner is a free software program that checks your computer for outdated software and missing security updates. It scans your system and generates a report showing available updates from various software vendors.

Type: software

Pricing: Free

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
Update Scanner
Update Scanner Features
  • Scans computer for outdated software
  • Checks for missing security updates
  • Generates report showing available updates
  • Works with various software vendors

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
Update Scanner
Update Scanner

Pros

  • Free to use
  • Easy to run scans
  • Helps keep software up-to-date
  • Improves computer security

Cons

  • May not find all outdated software
  • Requires manual installation of updates
  • Scanning can be time consuming
  • May incorrectly flag some software as outdated

Pricing Comparison

SumatraPDF
SumatraPDF
  • Open Source
Update Scanner
Update Scanner
  • Free

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Learn More About Each Product

SumatraPDF
SumatraPDF
Reviews, pricing & alternatives →
Update Scanner
Update Scanner
Reviews, pricing & alternatives →

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