Hearken: EPUB to Audiobook

Turn the ebooks you already own into audiobooks with a natural on-device voice. Offline and private — no account, no cloud, your books never leave your phone.

Hearken turns the books you already have into audiobooks — EPUB, PDF, FB2, HTML, Markdown, or plain text. Import a file and a natural, on-device text to speech voice reads it aloud. No account, no cloud, and no internet needed after the one-time voice download.

Your library, your books • Import EPUB, PDF, FB2, HTML, Markdown, and TXT files • Add books from any app with the share sheet, or "Open with Hearken" from Files • Real chapters from your ebook's table of contents, or automatic chapter detection • Full-text search inside any book — jump straight to a result • Grid or list view — sort by recent, title, or author

A real audiobook experience • Natural neural voice that runs entirely on your device • Adjustable playback speed • Skip by sentence or by chapter • Sleep timer — 15, 30, 45, 60 minutes, or end of chapter • Background playback with Lock Screen and Control Center controls

Follow along while you listen • Read along: highlighting tracks each sentence as it's spoken • Tap any sentence to jump the audio there • Adjustable font size for comfortable reading

Stay motivated • Weekly listening stats with a daily chart • Listening streaks — current and longest • Books completed and in progress

Private and offline • The voice runs 100% on your device — your books are never uploaded • Listen on a plane, on the subway, or completely off the grid

Great for • Working through your ebook backlog while you commute, cook, or exercise • Students and professionals listening to PDFs, papers, and notes • Resting your eyes without losing your place in a book • Accessibility — hear any document read aloud in a natural voice

Hearken is free with ads. Hearken Premium removes them — monthly or yearly, with a free trial.

Start listening to your library today.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.hearken.cc/privacy/