Librai - AI Book & EPUB Reader

EPUB, PDF · Read·Speed·Listen

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Read, speed-read, or listen to EPUB and PDF books. Ask AI to explain, summarize, and connect ideas while highlights, notes, and progress sync with iCloud. Read. Speed. Listen. Librai is an AI book reader for EPUB, PDF, MOBI, and more. Import your books, read them your way, and use AI to explain passages, summarize chapters, and help you understand more from every page. One book can become three reading experiences: • Read normally with beautiful typography and focused controls • Speed-read with RSVP mode when you want to move faster • Listen with native text-to-speech narration when your hands are busy POWERFUL EPUB & PDF READER • Read EPUB, PDF, MOBI, AZW, AZW3, FB2, FBZ, and CBZ files • Customize themes, fonts, spacing, margins, and Bionic Reading • Switch between Read, Speed, and Listen modes for each book • Use table of contents, progress tracking, highlights, notes, and bookmarks SPEED READING MODE • Read faster with focused RSVP word-by-word reading • Adjust speed from slow review to high-speed reading • Use audio with Speed mode when you want extra focus • Keep your place as you switch between reading modes LISTEN TO YOUR BOOKS • Turn supported books into hands-free audio • Choose voices, adjust playback speed, and use a sleep timer • Expand into an immersive Now Playing screen with cover art and controls • Collapse to a mini player while you continue browsing or reading AI READING ASSISTANT • Ask AI to explain passages, summarize pages, and surface key ideas • Chat with AI about a specific book or across your reading workflow • Explore difficult concepts, themes, characters, and arguments • Get insights and connections you might miss while reading alone ORGANIZE YOUR LIBRARY • Build collections and manage your personal book library • Track reading status, progress, sessions, and daily goals • Create learning paths for structured reading • Scan books with your camera to identify and add them SYNC, PRIVACY & WIDGETS • Sync your library, highlights, and progress with iCloud • Use the iOS widget to track daily reading goals • Your data stays on your device by default • Built for iPhone and iPad Whether you read EPUB novels, study PDF documents, review MOBI books, track highlights, summarize chapters, or use AI to understand difficult ideas, Librai gives you one focused place to read, speed-read, and listen. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://librai.app/privacy

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Bug fixes and improvements.

The developer, Shivam Kumar Sanjiv Dev, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Identifiers
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer indicated that this app supports the following accessibility features. Learn More

  • Supported Features

    • Larger Text

    • Dark Interface

    • Sufficient Contrast

Seller
  • Shivam Kumar Sanjiv Dev
Size
  • 67.7 MB
Category
  • Books
Compatibility
Requires iOS 15.1 or later.
  • iPhone
    Requires iOS 15.1 or later.
  • iPad
    Requires iPadOS 15.1 or later.
  • iPod touch
    Requires iOS 15.1 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Shivam Kumar Sanjiv Dev