# 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. Source: https://altcatalog.com/alternatives/librera/ Category: Ebook readers ## Where Librera stands out - **Formats (EPUB, PDF, MOBI, CBZ)** — 4 of 8 apps with a verified answer have this ## Overview - **Who it's for**: 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. - **What you get**: 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. - **How it works**: 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. ## Profile - **License**: GPL-3.0 (verified 2026-07-10) - **Pricing model**: Freemium (verified 2026-07-10) - **Starts at**: ? - **Platforms**: Android, macOS - **Status**: active (verified 2026-07-10) ## Ranked alternatives | # | App | Alt Score | Licence | Platforms | |---|-----|-----------|---------|-----------| | 1 | [Calibre](https://altcatalog.com/alternatives/calibre.md) | 90 | GPL-3.0 | Windows, macOS, Linux, iOS | | 2 | [Moon+ Reader](https://altcatalog.com/alternatives/moon-reader.md) | 90 | Proprietary | Android | | 3 | [KOReader](https://altcatalog.com/alternatives/koreader.md) | 80 | AGPL-3.0 | Android, Linux | | 4 | [Apple Books](https://altcatalog.com/alternatives/apple-books.md) | 75 | ? | iOS, macOS | | 5 | [Google Play Books](https://altcatalog.com/alternatives/google-play-books.md) | 75 | Proprietary | Android, iOS, Web | | 6 | [Kindle](https://altcatalog.com/alternatives/kindle.md) | 75 | Proprietary | Windows, macOS, iOS, Android | | 7 | [ReadEra](https://altcatalog.com/alternatives/readera.md) | 35 | Proprietary | Android | Alt Score = Verified coverage (90%) + Visibility (10%). See https://altcatalog.com/how-alt-score-works/ ## Feature comparison Legend: Yes / No / Partial / ? (not verified). | Ebook readers checklist | Librera | Calibre | Moon+ Reader | KOReader | Apple Books | Google Play Books | |---|---|---|---|---|---|---| | Pricing model | Freemium | Free | Freemium | Free | Free | Freemium | | Starts at | ? | Free | ? | Free | Free | Free | | License | GPL-3.0 | GPL-3.0 | Proprietary | AGPL-3.0 | ? | Proprietary | | Platforms | Android, macOS | Windows, macOS, Linux, iOS, Android | Android | Android, Linux | iOS, macOS | Android, iOS, Web | | Formats (EPUB, PDF, MOBI, CBZ) | Yes | Yes | Yes | Yes | Partial | Partial | | Sync position across devices | Yes | Yes | Yes | Yes | Yes | Yes | | Annotation & highlights export | ? | Yes | Yes | Yes | ? | Yes | | Dictionaries | Yes | Yes | Yes | Yes | Yes | Yes | | OPDS support | Yes | Yes | Yes | Yes | ? | ? | | Text-to-speech | Yes | Yes | Yes | ? | Yes | Yes | | Page turn customization | Yes | Yes | Yes | Yes | Yes | ? | | Library management | Yes | Yes | Yes | Yes | Yes | Yes | | DRM support | ? | No | No | ? | Yes | Yes | ## Sources Sources for Librera. Each alternative is sourced on its own page. - **Pricing model**: Freemium — (verified 2026-07-10) - Note: Free ad-supported edition plus a paid ad-free PRO edition. - Quote: “Librera PRO (Ads free) on Google Play” - **Platforms**: Android, macOS — (verified 2026-07-10) - Note: Primarily an Android reader; a macOS build is also offered. - Quote: “Librera for macOS, supports PDF, EPUB, FB2, CBZ, CBR” - **License**: GPL-3.0 — (verified 2026-07-10) - Quote: “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” - **Status**: active — (verified 2026-07-10) - Note: Released 2026-05-21. - Quote: “9.4.8” - **Formats (EPUB, PDF, MOBI, CBZ)**: Yes — (verified 2026-07-10) - Quote: “PDF, EPUB, EPUB3, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR, DOC, DOCX, and OPDS Catalogs” - **Sync position across devices**: Yes — (verified 2026-07-10) - Quote: “Using this tool, you will be able to sync Librera's profiles, reading progress, bookmarks, and your reading settings.” - **Dictionaries**: Yes — (verified 2026-07-10) - Quote: “Librera will open a browser window for you with the selected word in the search field of the chosen dictionary.” - **OPDS support**: Yes — (verified 2026-07-10) - Quote: “Librera allows the user to open OPDS catalogs, use their search engines to navigate within them, and download books from them.” - **Text-to-speech**: Yes — (verified 2026-07-10) - Quote: “Librera can read your books (and other documents) out loud using a third-party Text-to-Speech (TTS) engine” - **Page turn customization**: Yes — (verified 2026-07-10) - Quote: “You can configure tab zones(edges) size and places” - **Library management**: Yes — (verified 2026-07-10) - Note: shelves" of your Library." - Quote: “Librera allows you to adjust the way your books are displayed on the ” --- Ranked by verified data, never by who paid. https://altcatalog.com/trust/