# KOReader (open-source reading app)

> KOReader is a free, open-source reading app for Android. An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices. It has 30,152 GitHub stars and is released under the AGPL-3.0-only license, and you can install it from F-Droid.

KOReader is an ebook reader optimized for e-ink screens. It can open many formats and provides advanced text adjustments.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/koreader/koreader |
| Platforms | Android |
| Built with | Other |
| GitHub stars | 30,152 |
| License | AGPL-3.0-only (open source) |
| F-Droid | https://f-droid.org/packages/org.koreader.launcher.fdroid/ (package org.koreader.launcher.fdroid) |
| F-Droid anti-features | none flagged |
| Google Play | not linked |
| App Store | not linked |
| Website | https://koreader.rocks/ |
| Official | no |
| Category | E-book, PDF & RSS readers |
| Latest release | v2026.07.1 (Aug 1, 2026) |
| Last commit | Oct 7, 2026 |

F-Droid builds its apps from source and flags anti-features: https://f-droid.org/en/docs/Anti-Features/

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Canonical page: https://appsgit.com/mobile-apps/koreader
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