KOReader APK · Latest Version for Android
KOReader is a powerful ebook reader for EPUB, PDF, DjVu, MOBI, FB2 and comics, with detailed typesetting, dictionary lookup and e-ink tuning.
- Version
- v2026.07.1
- Updated
- Aug 3, 2026
- Size
- 29 MB
- Requires
- Android 4.3+
- Developer
- KOReader Community
- Category
- Books & Reference
- License
- AGPL-3.0
- Package
- org.koreader.launcher.fdroid
Screenshots
What is KOReader?
KOReader started on e-ink readers like Kindle and Kobo and is now a favourite on Android too. It opens almost every book format and gives you fine control over fonts, margins, hyphenation and page layout. Scanned PDFs can be reflowed so they are readable on a small screen.
Key Features
- Opens EPUB, PDF, DjVu, MOBI, FB2, CBZ, TXT and more
- Reflow for scanned PDFs and two-column layouts
- Full typesetting control with hyphenation dictionaries
- Dictionary and Wikipedia lookup, highlights and notes
- Sync reading progress across devices
Getting Started
KOReader is ideal for heavy readers and owners of e-ink Android devices. The interface is dense at first; spend a few minutes in the top and bottom menus to set fonts and gestures, and it becomes one of the most capable readers available.
Open Source and Privacy
KOReader is developed in the open by KOReader Community and released under the AGPL-3.0 license. The code is hosted at github.com/koreader/koreader, so anyone can check what the app does. The version on this page has no ads or tracking libraries flagged by F-Droid.
How to Install KOReader APK
- Tap Download and get the KOReader vv2026.07.1 APK (29 MB).
- Optional: compare the file’s SHA-256 checksum with the one on the download page.
- Open the file and allow your browser or file manager to install unknown apps if asked.
- Tap Install. Updates from the same source install over this one and keep your data, because they are signed with the same key.
Frequently Asked Questions
Is KOReader free?
Yes. KOReader is free and open-source software released under the AGPL-3.0 license. It has no ads and no paid version is required to use it.
Is this KOReader APK safe?
The APK on this page is the original file published in the F-Droid repository, unmodified. Its SHA-256 checksum is listed on the download page so you can verify it, and the full source code is public.
What Android version does KOReader need?
KOReader vv2026.07.1 requires Android 4.3 or newer.
Where can I find the source code of KOReader?
The source code is available at https://github.com/koreader/koreader. You can read it, report issues or contribute there.
