Sound for the mind that learns what calms and focuses you
Turn any document into a two-voice podcast you can listen to on your commute
Stage
Startup
Not given
Founded
2026
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Based in
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Pricing model
Not given
Freemium
Pricing
Free download. Subscriptions: $7.99/month or $59.99/year with 7-day free trial. Lifetime option: $119.99 one-time. Family plan: $89.99/year. Student plan: $29.99/year.
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
Key features
On-device learning companion Sona that remembers preferred sounds
Sleep score built from Apple Health data
Sleep, Focus, Stress, ADHD and Kids modes
Sleep timer with fade-out and focus timer with Pomodoro style
Offline downloads for no-signal playback
Zero vocals and instrumental-only catalog
Lock screen and Control Center playback controls
Seamless crossfading between tracks
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
What makes it different
Functional sound, not meditation courses
All learning happens on your device, never sent to servers
Lifetime subscription option with no renewal
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
Luten
DuoCast