Get help with Lex. Find answers to common questions or contact us directly.
Our support team is here to help you with any questions or issues you may have. We typically respond within 24-48 hours.
Simply browse our collection of 6,000,000+ books, tap on any book to open its detail page, and tap 'Read' to start reading. Your progress syncs automatically across all your devices.
Lex Premium unlocks Lex AI — your personal reading companion that recommends books and answers questions while you read. You also get automatic translations into 21 languages, PDF to EPUB conversion to turn documents into beautiful ebooks, and Blitz mode for speed reading at up to 750 words per minute.
Go to Settings in the app and tap on the subscription options. You can choose between monthly ($9.99/month) or yearly ($95.88/year) plans. On iOS, payments are processed through the App Store. On Android, payments go through Google Play. On the web, you can subscribe directly with a credit card via our secure payment processor.
On iOS, go to Settings > [Your Name] > Subscriptions on your device, find Lex, and tap Cancel Subscription. On Android, open Google Play Store > Menu > Subscriptions > Lex > Cancel. On the web, go to Settings and click 'Manage Billing' to cancel through our payment portal. You'll continue to have access until the end of your billing period.
If you've previously subscribed and need to restore your purchase (e.g., after reinstalling the app or on a new device), go to Settings in the app and tap 'Restore previous purchases'.
Yes! Lex supports EPUB and PDF files. You can upload your own ebooks and they'll sync across all your devices. Go to your profile and use the upload feature.
While reading, simply select text to create a highlight. You can add notes to any highlight. All your highlights and notes are saved and synced across devices, and you can view them all from the book's detail page.
Bookshelves help you organize your reading. You can create custom shelves, add books to them, and even share your shelves with other Lex users.
Go to Settings > scroll down to 'Account management options' > Delete Account. This will permanently remove all your data including reading progress, highlights, and bookshelves.
If you've encountered a bug or technical issue, please email us with:
Send bug reports to: general@lex-books.com