AI summary
Privacy-focused document and e-book reader with offline-first design. Supports PDF, EPUB, MOBI, AZW3, Markdown, HTML, and plain text with annotation tools, custom fonts, and text-to-speech. Version 1.0.55 adds PDF reader improvements, LaTeX math support in Markdown, OPDS authentication fixes, and stability improvements. Uses biometric permissions for optional app lock.
Generated by AI. May contain inaccuracies.
About this app
Episteme Reader is an offline-first, privacy-focused document and e-book reader that supports PDF, EPUB, MOBI, AZW3, Markdown, HTML, and plain text.
Features
Supported Formats
- Documents: PDF - E-books: EPUB, MOBI, AZW3 - Text: Markdown, TXT, HTML
PDF Features
- Viewing Modes: Vertical scroll and paginated view. - Ink Annotations: Draw directly on pages using pen, highlighter, and eraser tools. - Text Annotations: Add text notes anywhere on the page using system or custom fonts.
E-Book Features
- Parsing: Native parsing for MOBI/AZW3 via libmobi and EPUB via Jsoup. - Customization: Adjust font size, line spacing, and margins. - Custom Fonts: Support for importing user-provided font files (.ttf, .otf).
General
- Text-to-Speech (TTS): Read documents aloud using the system TTS engine. - File Management: Built-in library organization.
License
This project is licensed under the GNU Affero General Public License v3.0 (AGPL-3.0).
What's new
- Here's what's new v1.0.55:
- PDF reader
- Text annotations toolbar is not draggable.
- Reader themes now apply to page thumbnails in the navigation sidebar.
- Text selection handles are now vector-based instead of rasterized bitmaps.
- Markdown and math
- Replaced the markdown parser (Flexmark) with md4c and added LaTeX math support.
- Inline math now renders within text paragraphs.
- OPDS
- Preemptive Basic authentication is now sent for OPDS stream requests.
- TTS
- Fixed TTS session lifecycle callbacks running on the wrong thread.
- Stability
- Fixed ANRs, OOMs, and other crashes.
- General app stability and performance improvements.
About this version
- Version
- 1.0.55-oss (60)
- Size
- 24.15 MB
- Requires Android
- 8.0
- Target SDK
- 26
- Architecture
- arm64-v8a, armeabi-v7a
- Downloads
- 28
- Updated
- Sep 7, 2026
- Package
- com.aryan.reader.oss
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