Observed arrival · 2026-09-23
Entzun: an ebook reader that follows the audiobook
Entzun describes an iPhone and Mac app that pairs an ebook with its audiobook and highlights each spoken word on the page. The App Store release is marked “coming soon.”
- For
- Readers who benefit from following a book with both text and audio
- Worth noticing
- It lists EPUB or plain text alongside M4B, MP3, or M4A audio, with word alignment handled using built-in iOS or macOS speech recognition.
Field notes
The page describes an import-and-sync workflow: EPUB or plain text paired with M4B, MP3, or M4A, with alignment performed locally using iOS or macOS speech recognition. Readers can start chapters once processing finishes rather than wait for a whole long book. The interface description includes five typefaces and palettes, adjustable spacing, highlight or underline for spoken words, and a single-sentence mode; the site labels the App Store release “coming soon.”
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue