Create voice-enabled applications with ultra-fast speech synthesis (~40ms latency), multiple natural voices, and real-time streaming. Perfect for voice assistants, accessibility, and interactive experiences.
Voice AI Agents built with JustCopy include all these features out of the box.
Industry-leading ~40ms latency for natural conversations
Natural-sounding voices powered by Cartesia Sonic
Audio streams as it generates for instant playback
Choose from variety of voices and accents
Combine voice output with text chat seamlessly
Make your apps accessible with voice interfaces
Pre-built features you can enable with one click. No coding or API setup required.
Core voice synthesis capability
AI conversation engine (required)
User accounts for personalization
Store preferences and history
Track voice usage metrics
Build voice ai agents in minutes, not months.
Tell JustCopy what you want to build in plain English. No technical jargon needed.
Watch as AI generates a complete, functional app with all the features you need.
Refine your app using chat and deploy it live instantly with one click.
Discover other types of apps you can build with JustCopy
Describe what you want, and watch AI build it in seconds. No coding required.