Any book. Any podcast. Any video.
Smart. Offline. Yours.

The medium changed. The line didn't.

Giving audio a transcript — or giving text a voice — doesn't change how you consume it. You still move through it in a straight line, losing hours just to reach the meaning.

SayFable reads differently. It weighs every word, so what matters rises and the filler falls away. It turns every sentence into a vector, so it can measure not just meaning but emotion. Together they break the text into scenes — self-contained blocks of meaning — a map you can navigate.

See what it's about in seconds. Jump to any point by what it means. Follow the emotional arc. Search by keyword and by sense. Gather the moments that matter into a playlist.

Find what matters to you — and share it.
Say your fable.

Drop it in.
Get back an intelligent object.

File or link — two minutes later: scenes, characters, voices, emotional arc, importance scores. A complete semantic map of the text, computed entirely on your device.

Importing…

→

Analysed

From EPUB to
intelligent audiobook.

Import, analyse, navigate, search, synthesise, translate — the complete Sayfable workflow on a real book. Jump to any chapter.

Text that breathes.
80+ voices. All offline.

Every sentence synthesized with its own pitch, speed, and pause — shaped by the analysis. Dialogue softens and slows. Action peaks louder. Questions rise. All parameters baked into audio files before playback — no live synthesis, no dropouts, CarPlay-ready. Apple TTS and Silero neural voices across 20+ languages.

Same passage — Red Rising, the Darrow and Eo kitchen scene. With Expressive Reading ON, voices switch automatically by speaker. Pauses appear at emotional beats. No manual configuration. Works for every sentence, every chapter, every book.

The machine reads
deeper than you scroll.

One button switches standard playback into the Immersive Player — a live view of how the model reads. Every word tagged by part of speech: more verbs → action scene, faster; more nouns → descriptive, slower; heavy dialogue → softer tone; none dominant → mixed. For each scene you see its importance score (via embeddings) and emotional intensity (Apple sentiment) — plus the exact pitch, speed and speaker voice the synthesiser will apply. Powered by Apple's Natural Language framework — no data leaves your device.

Flow Mode · Karaoke

Navigate & Search
across objects & projects.

Filter scenes by type — Action, Dialogue, Exposition. Set minimum importance score. Sort by sentiment. Build a playlist of only the moments that matter to you.

Action Dialogue Exposition Mixed Min Score Sentiment

📁

Projects

Group objects into any context — a music library, a school project, a reading challenge. Switch between projects with one tap. Each project has its own library, playlists, and search scope.

🔍

Keyword Search

Exact match across all content. 199 results for "Silver" in Treasure Island — instant.

🧠

Meaning Search

Semantic embedding search. Find scenes that feel like what you describe — not just the literal words.

⚡

Jump & Play

Tap any result to jump directly — text highlighted, audio starting from that exact sentence.

⚡

Smart Playlists

Auto-built from any search or filter: most important scenes, all scenes with a character, most emotional moments. Playlists work across different books in the same project.

📚 Treasure Island

🎵 Music

🔭 Astronomy

Edit. Correct. Perfect.
Save everything.

The analysis is a starting point — you have full editorial control over the result. Fix a mistranscribed word, merge split characters, assign a specific voice to a single sentence. Every correction is preserved and exports with the book.

Subscribe once.
Stay current forever.

Paste a channel, podcast link, or news site — Sayfable keeps it fresh. New episodes, articles, and posts arrive automatically. No algorithm, no feed to scroll. Your library, quietly updating itself.

Any audio becomes
navigable text.

Drop it in. From anywhere.

Sayfable accepts content from wherever you find it. A book file, a podcast link, a web video URL, an audiobook folder, a webpage, your own voice.

One slot, forever free.
Add more when you want.

All AI runs on your device — no servers, no tokens. We give you one slot free, forever. Buy slots one by one when you need them. Or get unlimited everything with Ultra — less than a single paperback per month.