AI summary
Open-source ebook reader for EPUB, PDF, MOBI, AZW3, and more with deep customization, annotations, and cloud sync. Supports text-to-speech with premium voices, handwritten notes, quote sharing, and side-by-side multi-book reading. New in 0.12.16: OpenAI-compatible voice service integration, handwriting on pages, page count filtering, improved KOReader/WebDAV sync, and Audiobookshelf pairing.
Generated by AI. May contain inaccuracies.
Screenshots
About this app
Readest is a modern, open-source ebook reader for people who read a lot, and want their books, notes and progress to follow them everywhere.
Open EPUB, PDF, MOBI, AZW3, FB2, CBZ, TXT and Markdown, and tune the reading experience down to the last detail.
Read your way • Paginated or scrolling modes with smooth page-turn animations • Custom fonts, themes, spacing, margins and columns • Vertical text for CJK books • Built for e-ink, with contrast tuned for slow-refresh screens • Open up to four books side by side for research and comparison
Your whole library • Browse and download from OPDS catalogs and public libraries • Connect to Calibre and Calibre-Web, covers and metadata included • Organize with custom bookshelf groups • Full-text search inside a book
Notes that last • Highlights, bookmarks and structured notes • Copy a highlight together with a deep link back to the passage • Export your annotations
Listen and understand • Text-to-speech with downloadable offline voices and Android Auto support • Translate a sentence, a page, or an entire book • Wikipedia and dictionary lookup without leaving the page
Sync everywhere • Readest Cloud, or bring your own: Google Drive, OneDrive, WebDAV, S3 • KOReader sync keeps your progress in step with your e-reader • Android, iOS, macOS, Windows, Linux and the web
Readest is open source. Questions or ideas: support@readest.com Privacy policy: https://readest.com/privacy-policy
LICENSE: GNU AFFERO GENERAL PUBLIC LICENSE Version 3.0
What's new
Text-to-Speech: Added Readest Voice premium read-aloud voices for Plus and Pro, you can now connect your own OpenAI-compatible voice service, and Edge voices work again • Annotations: You can now handwrite and draw on your pages, and share passages as quote card images • Library: Books now show their page count with a new Pages sort and filter that syncs across devices, and numbered titles sort in natural order • Sync: Custom fonts download when you need them and can be removed from the cloud, custom theme edits now sync, and deleted books no longer come back • Sync: KOReader progress sync and WebDAV sync are more reliable, and signing out only logs out the current device • Reading: Very large or link-heavy chapters no longer freeze the reader, and fixed layout issues with headings, blockquotes, footnotes, and background textures • Audiobooks: Audiobookshelf playback now works in the web app, chapters are detected more reliably, and you can pair audiobooks with books streamed from Audiobookshelf • Linux: Fixed a freeze with two open windows, the main window reopens maximized, and Reveal in Folder works again • PDF: You can hide page thumbnails in the PDF table of contents • More: The share sheet opens again on iOS 16, with polish for the drawing tools, bottom sheets, and bookshelf header
About this version
- Version
- 0.12.16 (12016)
- Size
- 54.52 MB
- Requires Android
- 8.0
- Target SDK
- 26
- Architecture
- arm64-v8a
- Downloads
- 17
- Updated
- Oct 14, 2026
- Package
- com.bilingify.readest
Similar apps
Ratings & reviews
- 50
- 40
- 30
- 20
- 10