Librai - AI Book & EPUB Reader

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