Head-to-head · PDF Readers
Preview vs SumatraPDF
Preview leads on 0 checks, SumatraPDF on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scorePreview · 9.1/10
- Free planboth
- Most featuresSumatraPDF · 4 of 4
Preview scores higher on our rubric for pdf readers: 9.1 against 9.0 out of 10; our editors rank them #3 and #4.
Preview is the better fit for apple users wanting a capable free reader. SumatraPDF is the better fit for portable Windows reading with signatures.
- Preview fits best
Apple users wanting a capable free reader
- SumatraPDF fits best
Portable Windows reading with signatures
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Side by side
| Feature | Preview 9.1/10 Visit ↗ | SumatraPDF 9.0/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.1 | 9.0 |
| Ranking | #3 in PDF Readers | #4 in PDF Readers |
| Best for | Apple users wanting a capable free reader | Portable Windows reading with signatures |
| Pricing model | Free | Free |
| Starting price | Free plan | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop | Desktop |
| Platforms | macOS | Windows |
| Support | Docs | Docs, Community |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business, Mid-market |
| Features Preview 3/4 · SumatraPDF 4/4 | ||
| Annotation tools | ✓ | ✓ |
| Form filling | ✓ | ✓ |
| Offline access | ✓ | ✓ |
| Text-to-speech | Not checked yet | ✓ (best) |
| Specs | ||
| OCR support | Not checked yet | Not checked yet |
| Platform support | Desktop | Desktop |
| Our review | ||
| Pros |
|
|
| Cons |
|
|
| Our verdict | Preview is Apple’s built-in utility for viewing and editing PDFs and images on Mac and iPhone. It handles multipage PDF navigation, annotations, form filling, signatures, page management, text search, exporting, compression, password… Read the review → |
SumatraPDF is a free, open-source desktop reader for Windows. It is aimed at people who want to read PDFs and a broad set of other local formats, including EPUB, MOBI, CBZ, DjVu, XPS, CHM, and image files. Text search, document navigation,… Read the review → |
Strengths and trade-offs
Preview — where it wins
- Annotates, signs, fills, and manages PDF pages
- Includes basic OCR, text search, compression, and protection
- Works with local files and iCloud on Apple platforms
Where it doesn't
- Available on macOS and iOS rather than broader platforms
- OCR support is basic
- Cloud access centers on iCloud
SumatraPDF — where it wins
- Opens PDFs, ebooks, comics, images, and several document formats
- Supports annotations, digital signatures, and Windows text-to-speech
- Portable deployment and command-line PDF operations support local workflows
Where it doesn't
- Windows-only, with no macOS, Linux, web, or mobile versions
- Cannot fill PDF forms, despite supporting form-field highlighting
- Scanned pages require OCR elsewhere
- Preview9.1/10 · Free plan
A capable free PDF reader for Apple users, with practical editing and signing tools.
Visit AppleFull verdict → - SumatraPDF9.0/10 · Free plan
A portable Windows reader with broad format support, annotations, signatures, and command-line tools.
Visit SumatraPDFFull verdict →
More comparisons
- Foxit PDF Reader vs Preview
- Foxit PDF Reader vs SumatraPDF
- Okular vs Preview
- Okular vs SumatraPDF
- Preview vs Mozilla PDF.js
- Preview vs KDAN PDF
- Preview vs Evince
- Preview vs Adobe Acrobat Reader
All PDF readers comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update






