Offline text-to-speech for Mac with local voice cloning and no cloud uploads
AI-powered text to speech for reading, accessibility and voiceover creation
Stage
Not given
Established
Founded
Not given
Not given
Based in
Not given
CA
Pricing model
Freemium
Freemium
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
Not given
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
Content-aware AI voices that understand and adjust tone to match text
Voice cloning to create custom multilingual AI voices
Support for over 90 languages with accent adjustment
Custom voice prompts to control tone, emotion and accent
AI Podcast to convert documents into podcast episodes
AI Recap to generate concise summaries of key takeaways
OCR camera scanner for physical books and documents
MP3 export for offline listening
Cross-device compatibility across web, mobile and browser
Immersive reader with highlighting and reduced distractions
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
LLM-trained AI voices for the highest quality lifelike speech
Content-aware technology that understands and adapts to text tone
Trusted by over 10 million users globally and 6000+ organizations
20 years of experience in text-to-speech technology
Three specialized product lines for personal, commercial and educational use
Spokio
NaturalReader