Head-to-head · File Viewer Software
FastStone Image Viewer vs Polaris Viewer Plus
FastStone Image Viewer leads on 1 check, Polaris Viewer Plus on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreFastStone Image Viewer · 8.3/10
- Free planonly FastStone Image Viewer
- Most featuresPolaris Viewer Plus · 1 of 4
FastStone Image Viewer scores higher on our rubric for file viewer software: 8.3 against 8.2 out of 10; our editors rank them #7 and #8.
FastStone Image Viewer offers free plan; Polaris Viewer Plus doesn't.
FastStone Image Viewer is the better fit for windows image browsing and editing. Polaris Viewer Plus is the better fit for organizations viewing annotated office documents.
- FastStone Image Viewer fits best
Windows image browsing and editing
- Polaris Viewer Plus fits best
Organizations viewing annotated office documents
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Side by side
| Feature | FastStone Image Viewer 8.3/10 Visit ↗ | Polaris Viewer Plus 8.2/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.3 | 8.2 |
| Ranking | #7 in File Viewer Software | #8 in File Viewer Software |
| Best for | Windows image browsing and editing | Organizations viewing annotated office documents |
| Pricing model | Free plan + paid | Paid |
| Starting price | — | Pricing on request |
| Free plan | ✓ (best) | — |
| Free trial | — | — |
| Deployment | Desktop | Desktop, Mobile |
| Platforms | Windows | Windows, macOS, iOS, Android |
| Support | Email, Docs | Email, Phone |
| Built for | Solo, Small business, Enterprise | Enterprise |
| Features FastStone Image Viewer 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 |
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| Cons |
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| Our verdict | FastStone Image Viewer is a Windows desktop application for browsing, viewing, organizing, comparing, editing, converting, and presenting digital images. It suits photographers, image-heavy teams, and Windows users who want more than a… 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
FastStone Image Viewer — where it wins
- Supports camera RAW formats and EXIF metadata viewing
- Compares up to four images and creates configurable contact sheets
- Combines editing, batch conversion, scanning, and portable use
Where it doesn't
- Commercial use requires a $34.95 one-time license
- Designed for Windows desktop use
- Its broad feature set may exceed basic viewing needs
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
- FastStone Image Viewer8.3/10 · Free plan
A capable Windows image viewer with RAW support, batch tools, editing, and a portable version.
Visit FastStoneFull 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 →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update