Offline text-to-speech for Mac with local voice cloning and no cloud uploads
Independent voice studio for live conversations and text to speech
Stage
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Founded
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Based in
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Pricing model
Freemium
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Pricing
Free: $0 (up to 1,000 characters per synthesis, single file export, one custom voice, limited background processing). Pro Monthly: $6.99. Pro Yearly: $29.99. Pro Lifetime: $49.99 (unlimited generations up to 20,000 characters, unlimited custom voices, unlimited batch exports, unlimited background pr
Starter: $19.9/month for 660 credits. Pro: $39.9/month for 2,000 credits. Max: $79.9/month for 4,100 credits. Annual billing also available. Live Talk costs one credit per six seconds (10 credits per minute). Text to Speech costs one credit per 160 trimmed Unicode characters, rounded up per request.
Key features
185 English voices with various accents
Local voice cloning from 6-10 second audio samples
Batch export to MP3, WAV, AIFF, and M4A
Background queue for multiple synthesis jobs
Import from TXT, Markdown, DOCX and more file formats
Project workflow for long-form content and PDFs
Light and dark mode support
Uses less than 2GB of RAM
Live voice conversations with multiple voice options
Text-to-speech with downloadable WAV files
Multiple conversation modes including casual chat, language tutoring, mock interviews, and storytelling
Live captions during conversations
Downloadable conversation transcripts
Support for multiple languages
Session length limits based on subscription plan
Credit balance management across both tools
Failed operation refunds and recovery
What makes it different
Completely offline operation with no cloud uploads or data transmission
One-time purchase option with lifetime access
MIT-licensed Chatterbox Turbo model with expressive output
Privacy-focused design built for creators who value control
Independent service clearly distinguished from Block's official Dessa research model
Transparent provider identification with clear separation of research samples from tool outputs
Unified credit system shared between live chat and text-to-speech tools
No credit card required for free trial
Detailed documentation of pricing calculation and service limits
Spokio
Dessa AI