KOReader
Ebook reader
- License
- AGPL-3.0-only
- Package
org.koreader.launcher.fdroid- Category
- Ebook Reader, Reading
- Latest version
- v2026.07.1 · Aug 3, 2026
- Minimum Android
- Android 4.3
Screenshots
Description
KOReader is an ebook reader optimized for e-ink screens. It can open many formats and provides advanced text adjustments.
See below for a selection of its many features:
• Supports both fixed page formats (PDF, DjVu, CBT, CBZ) and reflowable e-book formats (EPUB, FB2, Mobi, DOC, CHM, TXT, HTML). Scanned PDF/DjVu documents can be reflowed. Special flow directions for reading double column PDFs and manga.
• Multi-lingual user interface optimized for e-ink screens. Highly customizable reader view with complete typesetting options. Multi-lingual hyphenation dictionaries are bundled in.
• Non-Latin script support for books, including the Hebrew, Arabic, Persian, Russian, Chinese, Japanese and Korean languages.
• Unique Book Map and Page Browser features to navigate your book.
• Special multi-page highlight mode with many local and online export options.
• Can synchronize your reading progress across all your KOReader running devices.
• Integrated with Calibre, Wallabag, Wikipedia, Google Translate and other content providers.
See below for a selection of its many features:
• Supports both fixed page formats (PDF, DjVu, CBT, CBZ) and reflowable e-book formats (EPUB, FB2, Mobi, DOC, CHM, TXT, HTML). Scanned PDF/DjVu documents can be reflowed. Special flow directions for reading double column PDFs and manga.
• Multi-lingual user interface optimized for e-ink screens. Highly customizable reader view with complete typesetting options. Multi-lingual hyphenation dictionaries are bundled in.
• Non-Latin script support for books, including the Hebrew, Arabic, Persian, Russian, Chinese, Japanese and Korean languages.
• Unique Book Map and Page Browser features to navigate your book.
• Special multi-page highlight mode with many local and online export options.
• Can synchronize your reading progress across all your KOReader running devices.
• Integrated with Calibre, Wallabag, Wikipedia, Google Translate and other content providers.
All versions
| Version | Released | Minimum Android | Size |
|---|---|---|---|
| v2026.07.1 (3 builds) | Aug 3, 2026 | Android 4.3 | 29.3 MB |
| v2026.07 (3 builds) | Jul 29, 2026 | Android 4.3 | 29.3 MB |
| v2026.03 (3 builds) | Mar 18, 2026 | Android 4.3 | 29.3 MB |
| v2025.10 (3 builds) | Nov 6, 2025 | Android 4.3 | 29 MB |
| v2025.08 (3 builds) | Aug 21, 2025 | Android 4.3 | 28.8 MB |
| v2025.04 (3 builds) | Apr 13, 2025 | Android 4.3 | 31 MB |
| v2024.11 (3 builds) | Nov 23, 2024 | Android 4.3 | 31.1 MB |
| v2024.07 (3 builds) | Jul 19, 2024 | Android 4.3 | 32.4 MB |
| v2024.04 (3 builds) | May 9, 2024 | Android 4.3 | 33 MB |
| v2024.03.1 (3 builds) | Mar 13, 2024 | Android 4.3 | 32.8 MB |
| v2024.03 (3 builds) | Mar 9, 2024 | Android 4.3 | 32.8 MB |
| v2024.01 (3 builds) | Jan 15, 2024 | Android 4.3 | 32.8 MB |
| v2023.10 (3 builds) | Nov 2, 2023 | Android 4.3 | 32.9 MB |
| v2023.08 (3 builds) | Sep 6, 2023 | Android 4.3 | 32.8 MB |
| v2023.06.1 (3 builds) | Jul 12, 2023 | Android API 14 | 33.5 MB |
| v2023.06 (3 builds) | Jul 5, 2023 | Android API 14 | 33.4 MB |
| v2023.05.1 (3 builds) | Jun 4, 2023 | Android API 14 | 33.4 MB |
| v2023.05 (3 builds) | Jun 2, 2023 | Android API 14 | 33.4 MB |
| v2023.04 (3 builds) | May 2, 2023 | Android API 14 | 33.3 MB |
| v2023.03 (3 builds) | Apr 1, 2023 | Android API 14 | 33.3 MB |
| v2023.01 (3 builds) | Feb 6, 2023 | Android API 14 | 33.2 MB |
| v2022.11 | Dec 2, 2022 | Android API 14 | 30.6 MB |
| v2022.10 | Oct 26, 2022 | Android API 14 | 30.5 MB |
| v2022.08 | Sep 4, 2022 | Android API 14 | 30.5 MB |
| v2022.07 | Aug 4, 2022 | Android API 14 | 30.3 MB |
| v2022.06 | Jun 27, 2022 | Android API 14 | 30.2 MB |
| v2022.05.1 | May 29, 2022 | Android API 14 | 30.1 MB |
| v2022.05 | May 25, 2022 | Android API 14 | 30.1 MB |
| v2022.03.1 | Mar 27, 2022 | Android API 14 | 30.1 MB |
| v2022.03 | Mar 22, 2022 | Android API 14 | 30.1 MB |
| v2022.02 | Mar 2, 2022 | Android API 14 | 30 MB |
| v2022.01 | Jan 18, 2022 | Android API 14 | 29.9 MB |
| v2021.12.1 | Dec 28, 2021 | Android API 14 | 29.8 MB |
| v2021.12 | Dec 26, 2021 | Android API 14 | 29.8 MB |
| v2021.11 | Nov 22, 2021 | Android API 14 | 29.8 MB |
| v2021.10.1 | Oct 22, 2021 | Android API 14 | 29.7 MB |
| v2021.10 | Oct 22, 2021 | Android API 14 | 29.7 MB |
| v2021.09 | Sep 24, 2021 | Android API 14 | 29.7 MB |
| v2021.08 | Aug 29, 2021 | Android API 14 | 29.7 MB |
| v2021.07 | Aug 21, 2021 | Android API 14 | 29.6 MB |
How to install an older version of an Android app · How to install an APK file on Android
From the developer (GitHub)
APK files published by the developer on GitHub. They are signed by the developer and may not install over the other builds on this page (different signature). Links open github.com.
ota
Pre-release · Sep 29, 2026
koreader-android-arm-v2026.07.2-316-g9040116_2026-11-07.apk
27.9 MB koreader-android-arm-v2026.07.2-318-ga3ebf28_2026-11-08.apk
27.9 MB koreader-android-arm-v2026.07.2-320-g01ccbd7_2026-11-09.apk
27.9 MB koreader-android-arm64-v2026.07.2-316-g9040116_2026-11-07.apk
28.9 MB koreader-android-arm64-v2026.07.2-318-ga3ebf28_2026-11-08.apk
28.9 MB koreader-android-arm64-v2026.07.2-320-g01ccbd7_2026-11-09.apk
28.9 MB koreader-android-x86-v2026.07.2-316-g9040116_2026-11-07.apk
29.5 MB koreader-android-x86-v2026.07.2-318-ga3ebf28_2026-11-08.apk
29.4 MB v2026.07.1
· Aug 1, 2026
koreader-android-arm-v2026.07.1.apk
27.7 MB koreader-android-arm64-v2026.07.1.apk
28.7 MB koreader-android-x86-v2026.07.1.apk
29.3 MB v2026.07
· Jul 26, 2026
koreader-android-arm-v2026.07.apk
27.7 MB koreader-android-arm64-v2026.07.apk
28.7 MB koreader-android-x86-v2026.07.apk
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