Head-to-head · File Reader Software
Foxit PDF Reader vs KOReader
Foxit PDF Reader leads on 0 checks, KOReader on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreFoxit PDF Reader · 9.2/10
- Free planboth
Foxit PDF Reader scores higher on our rubric for file reader software: 9.2 against 7.1 out of 10; our editors rank them #1 and #5.
Foxit PDF Reader is the better fit for cross-platform PDF reading and document review. KOReader is the better fit for open-source readers across ebook and document formats.
- Foxit PDF Reader fits best
Cross-platform PDF reading and document review
- KOReader fits best
Open-source readers across ebook and document formats
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Side by side
| Feature | Foxit PDF Reader 9.2/10 Visit ↗ | KOReader 7.1/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 7.1 |
| Ranking | #1 in File Reader Software | #5 in File Reader Software |
| Best for | Cross-platform PDF reading and document review | Open-source readers across ebook and document formats |
| Pricing model | Free | Free |
| Starting price | Not published | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud, Desktop, Mobile | Self-hosted, Desktop, Mobile |
| Platforms | Web, Windows, macOS, iOS, Android | Linux, macOS, Android |
| Support | Docs, Tickets | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo |
| Features Foxit PDF Reader 1/4 · KOReader 1/4 | ||
| Annotations | ✓ | ✓ |
| Text search | Not published | Not published |
| Accessibility support | Not published | Not published |
| Cloud sync | Not published | Not published |
| Specs | ||
| Supported formats | Not published | Not published |
| Platforms | Not published | Kindle, Kobo, PocketBook, Android, desktop Linux; macOS emulator |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Foxit PDF Reader brings PDF viewing, printing and document review together across the web, Windows, macOS, iOS and Android. It is aimed at people who need to read PDFs on different devices, as well as teams that exchange documents for… Read the review → |
KOReader is a free, open-source document reader aimed primarily at E Ink devices, with versions also available for Android and desktop Linux. It suits solo readers who want control over typography and access to ebook and fixed-page… Read the review → |
Strengths and trade-offs
Foxit PDF Reader — where it wins
- Reads and prints PDFs across web, desktop and mobile.
- Supports form filling, annotations and shared reviews.
- Includes text-to-speech, security controls and deployment tools.
Where it doesn't
- OCR support is not included.
- Its listed support channels are documentation and tickets.
- Advanced deployment tools may exceed solo readers’ needs.
KOReader — where it wins
- Opens ebook and document formats including EPUB, PDF, DjVu, and MOBI
- Customizable typography, search, bookmarks, and highlights
- Calibre integration and optional cross-device reading-position sync
Where it doesn't
- Platform coverage varies across e-readers, Android, Linux, and macOS emulator
- Progress Sync requires a separate copy of the document on each device
- Bookmarks and highlights are supported, but note-taking is not
- Foxit PDF Reader9.2/10 · Free plan
A cross-platform PDF reader for reading, reviewing, signing and completing forms.
Visit FoxitFull verdict → - KOReader7.1/10 · Free plan
A format-flexible reader with annotations, PDF controls, and optional reading-position sync.
Visit KOReaderFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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