Read EPUB & PDF with offline AI voices and synchronized text highlighting.
About Lectern: EPUB & PDF Reader
Lectern: EPUB & PDF Reader is a books & reference app developed by Hofstack.
Download Statistics
Lectern: EPUB & PDF Reader has been downloaded 100 times. In the last 30 days, the app was downloaded 93 times. It is ranked in the top 100 books & reference apps.
User Ratings
The app has no ratings yet.
App Information
Lectern: EPUB & PDF Reader costs $2.39 to download. The APK download size is 89.77 MB. The latest version available is 1.9.5. The last update was on July 15, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play 8 weeks ago.
Description
Read. Listen. Follow Along.
Lectern automatically matches natural sounding offline AI voices to your book's language and highlights every spoken sentence as you read.
Lectern is an offline eBook reader for EPUB, EPUB3, PDF, MOBI, AZW, AZW3, FB2, TXT and comics. Read your books or listen to supported books with natural sounding offline AI voices and synchronized text highlighting.
No account. No subscription. No ads. No unnecessary permissions.
Your books, reading progress and settings stay on your device. Everything works offline unless you choose to connect your own cloud storage or OPDS catalog.
🎧 Read and listen together
Lectern lets you listen to supported books using natural sounding offline AI voices powered by Piper and Kokoro while every spoken sentence is highlighted in real time.
Perfect for commuting, bedtime reading, language learning or reducing eye strain.
Features include:
• Natural sounding offline AI voices powered by Piper and Kokoro • Automatic language detection • Automatic voice matching to your book's language • Synchronized text highlighting • Adjustable reading speed • Adjustable voice pitch • Lock screen controls • Notification controls • Bluetooth headset support • Sleep timer • Continue exactly where you stopped
🗣️ Automatic language detection
Open a book and Lectern detects its language, then matches it to a natural offline AI voice. Voice matching covers over a dozen languages, including Arabic, Chinese, Japanese and Hindi.
Organize your library using nested shelves, series, ratings and reading status.
📈 Build a daily reading habit
Track:
• Reading streaks • Daily reading goals • Reading sessions • Reading history • Average session length • Estimated reading time remaining • Chapter progress • Multi-year reading heatmap
📖 Dictionary and vocabulary trainer
Tap any word to view offline dictionary definitions powered by WordNet.
Save new words to your vocabulary trainer and improve retention using the proven SM-2 spaced repetition system.
☁️ Sync on your terms
Use multiple folders as your library through Android's Storage Access Framework without intrusive storage permissions.
Synchronize reading progress, bookmarks, highlights and statistics through shared folders on:
• Google Drive • Dropbox • Nextcloud • OneDrive
Browse OPDS catalogs such as Project Gutenberg or your own Calibre-Web library.
Share books directly to Lectern from any Android app.
🌍 A reader for every language
Available in 9 languages:
• English • Dutch • German • French • Italian • Arabic • Chinese • Japanese • Hindi
Full right-to-left (RTL) support for Arabic together with automatic language detection makes Lectern ideal for multilingual libraries and language learning.
Lectern supports reduced-motion accessibility and works beautifully on Android e-ink devices such as Boox and Meebook.
Whether you're looking for an EPUB reader, PDF reader, comic reader, text-to-speech reader, AI voice reader, multilingual ebook reader, RTL Arabic reader, ebook library or a dyslexia-friendly eBook reader, Lectern brings everything together in one calm, fast and private reading experience.
Read. Listen. Follow Along.
Recent changes: ⚡ Faster startup and lower memory use 🖼 Covers from online search now use far less storage 🔧 Updated internal libraries for stability and 1 bug fix for e-ink toggle
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