Shelfy Reader: EPUB, PDF, AI

MASS Soft

In-app purchases

About this app

Shelfy Reader is a fast, private, all-in-one ebook reader for EPUB, PDF, comics and more — with on-device AI, offline translation, read-aloud, and your library synced everywhere. No ads. No tracking. No clutter. Just reading.

📚 READS EVERY BOOK YOU OWN
Open EPUB, PDF, CBZ/CBR comics, TXT, Markdown, FB2, MOBI and AZW3 in one app. Import from your files, share a book straight into Shelfy, or convert PDFs to clean, reflowable EPUB right on your phone. Your bookshelf, finally in one place.

🎨 A READING EXPERIENCE YOU CONTROL
• 12+ themes — Light, Dark, Sepia, Night, Ocean, Paper and custom colors
• Fine-tune font, size, line spacing, margins and alignment
• Bionic reading, reading ruler and focus mode for faster, easier reading
• Blue-light warm mode and gesture brightness for comfortable night reading
• Smooth page animations, auto-scroll and full-screen immersive mode

🔊 LISTEN TO ANY BOOK (TEXT-TO-SPEECH)
Turn any ebook into an audiobook with built-in read-aloud. Adjustable speed, voice selection, sleep timer and word highlighting — perfect for commutes, chores or resting your eyes.

🤖 PRIVATE ON-DEVICE AI READING ASSISTANT
Smart help that runs entirely on your phone — your books never leave your device:
• Explain any word or passage in plain language
• Summarize or simplify tricky sections instantly
• Chat with characters and track who's who, spoiler-free
• Build vocabulary cards and reading-comprehension questions
No account, no cloud, no snooping.

🌍 OFFLINE TRANSLATION & DICTIONARY
Tap any word for instant definitions, synonyms and pronunciation. Translate words, sentences or whole passages with on-device translation across 50+ languages — even with no internet. Read side-by-side interlinear text to learn a language as you read.

📈 GOALS, STREAKS & READING STATS
Stay motivated with daily reading goals, streaks, milestones and a full stats dashboard. See your reading time, pages, speed and a personal Year in Review. Turn your highlights into spaced-repetition flashcards so what you read actually sticks.

🗂️ ORGANIZE A HUGE LIBRARY EFFORTLESSLY
• Collections, tags and a Read-Later queue
• Smart Shelves that auto-sort by author, format, progress or status
• Highlights, bookmarks and notes with one-tap export
• Beautiful shareable quote cards

🔄 SYNC, BACKUP & DISCOVER MORE BOOKS
• Cloud sync and full local backup so you never lose progress
• Connect OPDS catalogs and Calibre-Web to download books
• Sync reading progress to Hardcover
• Built-in RSS reader to save articles for later
• Peer-to-peer book sharing — no central server required

🔒 PRIVATE BY DESIGN
Lock the app with a PIN, password or fingerprint. AI and translation run on-device by default, so your reading stays yours.

WHY READERS LOVE SHELFY
✔ One reader for EPUB, PDF and comics
✔ On-device AI — fully private
✔ Offline translation and dictionary
✔ Read-aloud text-to-speech
✔ Powerful library organization
✔ No ads, no subscriptions to read your own books

Download Shelfy Reader and turn your phone into the only ebook reader you'll ever need. EPUB reader, PDF reader, comic reader, audiobook listener and AI study buddy — all in one.

What’s new

🎧 Listen anywhere — text-to-speech now keeps playing with your screen off, with full play/pause/skip controls right on your lockscreen and notification shade.
📖 Read along — sentences and words highlight in sync as your book is narrated, so it's easy to follow.
🤖 Your AI, your way — use the built-in on-device assistant, or connect your own OpenAI-compatible service.
Plus stability and performance improvements. Happy reading!