SumatraPDF vs Polaris Viewer Plus

SumatraPDF8.8Visit Polaris Viewer Plus8.2Visit

Higher score SumatraPDF #4 in File Viewer Software 8.8/10 Free plan Free plan✓ 0 of 4 features Visit Sumatra PDF

vs

Polaris Viewer Plus #8 in File Viewer Software 8.2/10 Pricing on request ✓ 1 of 4 features Visit site

• SumatraPDF fits best

  Portable Windows document viewing

• Polaris Viewer Plus fits best

  Organizations viewing annotated office documents

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Side by side

Feature	SumatraPDF 8.8/10 Visit ↗	Polaris Viewer Plus 8.2/10 Visit ↗
At a glance
Editor score	8.8	8.2
Ranking	#4 in File Viewer Software	#8 in File Viewer Software
Best for	Portable Windows document viewing	Organizations viewing annotated office documents
Pricing model	Free	Paid
Starting price	Free plan	Pricing on request
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Desktop	Desktop, Mobile
Platforms	Windows	Windows, macOS, iOS, Android
Support	Docs, Community	Email, Phone
Built for	Solo, Small business, Mid-market, Enterprise	Enterprise
Features SumatraPDF 0/4 · Polaris Viewer Plus 1/4
Archive preview	Not checked yet	—
Office file preview	Not checked yet	✓ (best)
Code file preview	Not checked yet	Not checked yet
In-file search	Not checked yet	Not checked yet
Specs
Listed formats	Not checked yet	Not checked yet
Primary access	Not checked yet	Cross_platform
Maximum file size	Not checked yet	Not checked yet
Our review
Pros	Free and open source with installer and portable Windows builds Opens PDF, ebook, comic-book, DjVu, XPS, CHM and image files Adds annotations, form filling, search and Windows text-to-speech	Views and annotates original documents across four major platforms Pen writing includes palm rejection, with multi-tab and multi-view support Connects with storage, groupware, EDMS, and DRM environments
Cons	Windows-only desktop support limits cross-platform use No OCR support is provided Some capabilities are documented for the 3.7 pre-release	Pricing requires contacting sales rather than choosing a public plan Enterprise-oriented integrations may exceed the needs of casual viewers Client-installed operation requires device deployment across the organization
Our verdict	Sumatra PDF is a free, open-source desktop reader for Windows users who need more than basic PDF viewing. It opens PDF, EPUB, MOBI, comic-book, DjVu, XPS, CHM, image and other document formats. Core PDF tools cover text search, navigation… Read the review →	Polaris Viewer Plus is an enterprise document-viewing solution for organizations that need to view and annotate original documents across Windows, macOS, iOS, and Android. It works with Microsoft Office, PDF, HWP, image, text, and related… Read the review →

Strengths and trade-offs

• SumatraPDF — where it wins

  • Free and open source with installer and portable Windows builds
  • Opens PDF, ebook, comic-book, DjVu, XPS, CHM and image files
  • Adds annotations, form filling, search and Windows text-to-speech

  Where it doesn't

  • Windows-only desktop support limits cross-platform use
  • No OCR support is provided
  • Some capabilities are documented for the 3.7 pre-release

• Polaris Viewer Plus — where it wins

  • Views and annotates original documents across four major platforms
  • Pen writing includes palm rejection, with multi-tab and multi-view support
  • Connects with storage, groupware, EDMS, and DRM environments

  Where it doesn't

  • Pricing requires contacting sales rather than choosing a public plan
  • Enterprise-oriented integrations may exceed the needs of casual viewers
  • Client-installed operation requires device deployment across the organization

• SumatraPDF8.8/10 · Free plan

  A portable Windows reader with broad format support, annotations, forms and text-to-speech.

  Visit Sumatra PDFFull verdict →
• Polaris Viewer Plus8.2/10 · Pricing on request

  A cross-platform viewer for organizations that need annotated original documents and enterprise connectivity.

  Visit siteFull verdict →