Offline text-to-speech for Mac with local voice cloning and no cloud uploads
Cheap international calls over WiFi or mobile data
Stage
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Founded
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Based in
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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
Free: 1 minute included with download. Starter: $1.99 USD (~30 minutes to Canada). Standard: $4.99 USD (~70 minutes to Canada). Pro: $9.99 USD (~140 minutes to Canada). Per-minute rates from $0.03/min (United Kingdom) to higher rates for other countries. No subscription, no expiration.
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
No registration required—download and dial immediately
Per-second billing with no connection fees
Minutes never expire—no subscription or auto-renewal
Works on WiFi or mobile data from anywhere
Rates visible before calling—200+ countries covered
Secure payments through Apple App Store and Google Play
Crystal-clear VoIP quality over WiFi or mobile data
Calls routed through Tier-1 telecommunications carriers
Privacy by design—no personal data collection or account needed
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
Reduces costs by up to 98% compared to carrier roaming charges
One free minute included with every download—no card or registration needed
Calls real phone numbers so the other person doesn't need the app
Transparent per-minute pricing with no hidden fees or connection charges
Spokio
Telvio