DISCOVER 6M+ BOOKS & AUDIOBOOKS IN THE OFFICIAL CATALOGUE
Lex brings you timeless classics for free. Popular titles with different editions and versions (ebooks/photoscans/audiobooks) are seamlessly aggregated together.

READ BOOKS THE WAY YOU WANT TO
- Dark mode (EPUB) reader with scroll, paginated, blitz, and bilingual modes
- PDF reader with bookmark & search functionality (OCR)
- Fully customizable font styles, sizes, etc.
- Make highlights, notes, etc.
- Automatically sync progress across devices

KICK BACK WITH AMBIENT AUDIOBOOKS
- 30,000+ human & AI-narrated audiobooks
- Text-to-audio synchronization (read along)
- Multiple narrators options (solo, dramatic & group readings)
- Ambient mode (choose between different ambient sounds)
- Adjust playback speed (0.5x - 3x) and set sleep timer

BUILD THE LIBRARY OF YOUR DREAMS
- Lightning fast search (by title, author, genre, subject)
- Browse hundreds of curated bookshelves
- Create and share your own shelves
- Upload your own books/audiobooks (EPUB, PDF, MP3) with automatic metadata enrichment (cover, (cover, title, author, publication date)

SOCIAL FEATURES
- Activity feed displaying other users’ books, shelves, highlights & notes
- Add collaborators to help build shelves
- Invite 3 friends for 1 month of Lex Premium
- Track reading progress, streaks, etc.

SYNC EVERYWHERE
Your reading activity syncs across devices. Start a book on your laptop, pick it up on your phone, and switch from the book to the audiobook whenever you please.

INCLUDED FOR FREE:
- 6,000,000+ books & 30,000+ audiobooks
- Ambient audiobook listening
- Text-to-audio synchronization
- Paginated and Scroll reading modes
- Upload your own books (EPUB and PDF)
- Create, share, and save shelves
- Personalized book recommendations
- Share reading progress, highlights, and notes
- Follow and connect with users and authors
- Browse author quotes

FOR POWER USERS (PREMIUM):
- Premium book catalogue (not available anywhere else)
- Lex AI: ask about any book, get better recommendations, and have it take app-specific actions on your behalf
- Offline mode: download books to read anywhere (no internet required)
- Higher upload limits: extra space for EPUBs, PDFs, and MP3s
- Bilingual mode: get in-page translations to your preferred language (21 languages available)
- Blitz mode: word-level / sentence-level Rapid Serial Visual Presentation (200-750 WPM)
- PDF to EPUB conversion: turn PDFs into proper Ebooks
- Verified badge: profile checkmark

PERFECT FOR
- Bookworms
- Classical literature lovers
- History buffs
- Autodidacts
- High school / college students
- Book clubs

SUBSCRIPTION INFO
- Lex Premium (Monthly): $9.99/month - Auto-renews monthly
- Lex Premium (Yearly): $95.90/year ($7.99/month) - Auto-renews annually

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Lex is built by book lovers, for book lovers. We believe reading should be accessible to anyone, anytime, anywhere. And we’re just getting started.