Alternatives to Librera
Open source multi-format Android reader
Librera ranks #4 of 8 in Ebook readers, with an Alt Score of 80. It is licensed under GPL-3.0, freemium and available on Android and macOS. 7 of 9 checklist rows are verified against a public source.
Anyone reading e-books or scanned documents on Android, especially people juggling mixed formats (novels, comics, technical PDFs, scanned books) or who want fine-grained control over how text is displayed.
A single reader for PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW/AZW3, HTML, and comic archives (CBZ/CBR). Includes text reflow, night/day modes, an auto-scrolling 'musician's mode', multi-word search, RTL language support (Arabic, Hebrew, Thai), bookmarks, annotations, and online/offline dictionary lookup. Font, background, link colors, and layout can be tuned via settings or custom CSS.
The app scans device folders to build a library, shown as a list or grid with thumbnails and sort options (name, size, date, path). You open a document and page or scroll through it, adjusting display and reading settings as you go; reading progress and bookmarks can sync via Google Drive.
Where Librera stands out
Verified capabilities most alternatives don't have.
Why people leave Librera
Dashed reasons are sourced facts; the rest are opinions. Vendors can dispute.
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Ranked alternatives
Ordered by Alt Score. Click any score to see the breakdown.
Feature comparison
How Librera compares with its alternatives, feature by feature.
| Ebook readers checklist | Librera | Calibre | Moon+ Reader | KOReader | Apple Books | Google Play Books |
|---|---|---|---|---|---|---|
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| Formats (EPUB, PDF, MOBI, CBZ) | ||||||
| Sync position across devices | ||||||
| Annotation & highlights export | ||||||
| Dictionaries | ||||||
| OPDS support | ||||||
| Text-to-speech | ||||||
| Page turn customization | ||||||
| Library management | ||||||
| DRM support |
Every fact and feature listed for Librera is verified against its own pages. Each alternative is sourced on its own page.
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Pricing model Freemium verified 2026-07-10
Free ad-supported edition plus a paid ad-free PRO edition.
Librera PRO (Ads free) on Google Play
https://librera.mobi/download -
Platforms Android, macOS verified 2026-07-10
Primarily an Android reader; a macOS build is also offered.
Librera for macOS, supports PDF, EPUB, FB2, CBZ, CBR
https://librera.mobi/download -
License GPL-3.0 verified 2026-07-10
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
https://raw.githubusercontent.com/foobnix/LibreraReader/master/LICENSE.txt -
Status active verified 2026-07-10
Released 2026-05-21.
9.4.8
https://github.com/foobnix/LibreraReader/releases/tag/9.4.8 -
Formats (EPUB, PDF, MOBI, CBZ) Yes verified 2026-07-10
PDF, EPUB, EPUB3, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR, DOC, DOCX, and OPDS Catalogs
https://github.com/foobnix/LibreraReader -
Sync position across devices Yes verified 2026-07-10
Using this tool, you will be able to sync Librera's profiles, reading progress, bookmarks, and your reading settings.
https://librera.mobi/faq/setting-up-synchronization -
Dictionaries Yes verified 2026-07-10
Librera will open a browser window for you with the selected word in the search field of the chosen dictionary.
https://librera.mobi/faq/dictionaries-translate-text-online-and-offline -
OPDS support Yes verified 2026-07-10
Librera allows the user to open OPDS catalogs, use their search engines to navigate within them, and download books from them.
https://librera.mobi/faq/working-with-opds-online-catalogs -
Text-to-speech Yes verified 2026-07-10
Librera can read your books (and other documents) out loud using a third-party Text-to-Speech (TTS) engine
https://librera.mobi/faq/installation-and-configuration-of-tts -
Page turn customization Yes verified 2026-07-10
You can configure tab zones(edges) size and places
https://librera.mobi/faq/tap-zones-configuration -
Library management Yes verified 2026-07-10
shelves" of your Library."
Librera allows you to adjust the way your books are displayed on the
https://librera.mobi/faq/how-to-configure-the-library-view
FAQ
Yes. Calibre, Moon+ Reader and KOReader have a free tier or are fully free. Free-tier limits in the comparison table are verified and dated.
Calibre and KOReader — every license claim links its source.