UniBook — Read Without Limits

Own your reading library. Import EPUB, PDF, M4B and MP3, read or listen offline, track progress, and organize every title on custom shelves.

Tired of subscriptions? UniBook is a one-time-purchase reader for the EPUB, PDF, M4B, and MP3 files you own. Read and listen offline, keep your library organized, and pick up exactly where you left off.

— WHY READERS CHOOSE UNIBOOK —

PAY ONCE, READ FOR LIFE A single in-app purchase unlocks the full reader. No monthly plan and no automatic renewal.

YOUR LIBRARY STAYS YOURS Import compatible DRM-free files through Files, iCloud Drive, or the Share extension. Your imported books remain on your device, UniBook does not upload your library, and no account is required.

— FEATURES —

EPUB READER • Adjustable text size and reading themes • Light, sepia, and dark reading themes • Save highlights and quotes • Share quotes as polished images • Resume from your saved position • See reading progress in the reader and your library

PDF READER • Native PDF viewing • Page and progress tracking • Saved position for reliable resume • Progress visible alongside your other books

AUDIOBOOK PLAYER • M4B and MP3 audiobooks • Single-file and multi-file books • Playback speed from 0.5x to 2x • Sleep timer • Background playback and lock-screen controls • Resume from your last position • Chapter navigation

LIBRARY MANAGEMENT • Custom shelves and favorites • Dedicated Reading and Finished shelves • Active books stay easy to reach; completed books move to the end • Import several compatible files from Files • Add books and audiobooks from other apps with the Share extension • Share or remove your own files at any time

READING STATISTICS • Daily reading and listening time • Reading streaks and daily goals • Yearly activity graph • Year in Review

SIRI • Resume your last audiobook with the “Play Last Audiobook” shortcut

Supported formats: EPUB, PDF, M4B, MP3

UniBook is built for readers who manage their own digital library and want a focused, private reading experience without a recurring subscription.

Note: UniBook is a reader app. It does not sell, distribute, or provide book content. You are responsible for ensuring that you have the right to use every file you import. DRM-protected files are not supported.