Turn any document into a two-voice podcast you can listen to on your commute
Turn any book into an audiobook with on-device text to speech
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free: 3-minute preview of any episode with spoken-intro watermark, no download. Pro: $12/mo for unlimited episodes up to 50,000 characters, MP3 downloads, no watermark, priority queue. Credit pack: $9 for 20 full episodes up to 50,000 characters with MP3 downloads, credits never expire, no subscript
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Key features
Paste text, PDF, DOCX upload, or article URL input
Two-host conversational format with Q&A dialogue
Self-hosted speech synthesis models
5–15 minute episodes with chapters and synced transcript
MP3 download capability on Pro plan
Free 3-minute preview on any document
Priority queue processing for Pro subscribers
Support for documents up to 50,000 characters
No watermark on Pro and Credit pack episodes
EPUB and text-based PDF reading
On-device text to speech that works offline
Word-by-word highlighting during narration
Web article saving from Safari and other apps
Playback speed control from 0.5x to 3x
Background playback and Lock Screen controls
Reading and listening position sync
Highlights, notes and bookmarks
iCloud sync across devices
Free Project Gutenberg classics library
What makes it different
Two-voice dialogue format keeps listeners engaged better than monotone reading
Self-hosted voice models optimized specifically for natural Chinese and Japanese pronunciation
No per-character pricing, so long documents are voiced end-to-end without truncation
Automatically rewrites source documents into conversational format
Credit packs never expire, providing flexible usage without subscription commitment
On-device speech generation means narration works completely offline
No account, no server, and no tracking of what you read
One app for both reading and listening with unified library
Free tier holds five books with unlimited listening
Your library stays readable even if you stop paying
DuoCast
Strophe