Conversational AI Agents Role-Play

Conversational AI Agents Role-Play Create custom AI agents to practice cold calling, interviews, English conversation, coaching, or any realistic scenario. Talk, learn, and improve.

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Conversational AI Agents Role-Play

Overview

Core Product: Create custom AI agents to practice cold calling, interviews, English conversation, coaching, or any realistic scenario. Talk, learn, and improve your skills anytime, anywhere with AI role-play partners.

  • Product: Mobile App (Web version available)
  • Market Type: B2C with B2B opportunities for language schools, HR training, and coaching platforms
  • Technologies: ElevenLabs Conversational AI, OpenAI GPT-4, RevenueCat , Expo
  • Team: Bolt coders since 2024, James is seasoned founder Y Combinator alumni, Jose is the CEO of brandvirality, expert on marketing, growth the user base into 300k users in 4 months.

Problem

People struggle to practice real-life conversations for cold calling, job interviews, or language fluency. Live coaching is expensive ($50-200/hour), hard to scale, and learners lack a safe space to fail and try again. 70% of job seekers feel unprepared for interviews, and traditional practice methods are static, generic, and quickly become repetitive.

Solution

We envisioned a world where everyone has access to personalized AI conversation partners that simulate realistic scenarios. Users can practice with dynamic, lifelike AI agents that adapt in real-time, providing instant feedback and creating a safe environment for skill development.

Market Validation

  • $15B+ global language learning and corporate training market
  • 1.5B+ people learning English worldwide
  • 70% of job seekers feel unprepared for interviews
  • Beta testers reported 35% improvement in fluency and confidence within 4 sessions
  • 50+ beta users across 10 countries with positive feedback

Core Selling Points

  • Realistic role-play with AI agents for any scenario
  • On-demand practice 24/7 with instant feedback
  • Voice-first experience using ElevenLabs conversational AI
  • Multi-language and industry-specific scripts
  • White-label option for language schools and HR departments

Talking Points

  • Affordable alternative to costly live tutors (90% cost reduction)
  • Safe space to practice and repeat tricky conversations
  • Custom scenarios for sales, support, interviews, and more
  • Analytics dashboard to track fluency, vocabulary, and progress
  • Real-time voice conversations that feel natural and engaging

Audiences

  • Any language learners seeking conversation practice
  • Sales teams & recruiters needing pitch and interview skills
  • Job seekers preparing for interviews and networking
  • HR training programs & career coaches
  • Language schools & tutoring platforms (white-label)

Top 3 Features

  • Custom Scenario Builder: Users or organizations create any conversation script to practice, from cold calls to customer complaints, tailored to specific needs and industries.
  • Real-Time Voice Feedback: ElevenLabs AI analyzes speech patterns, conversation flow, and communication effectiveness, providing actionable tips during and after practice sessions.
  • Lifelike AI Conversation Partners: Practice with AI agents that respond naturally through voice, adapting to user skill level and providing realistic conversational challenges.

Inspiration

We believe people shouldn't fear tough conversations. Whether it's landing a dream job, closing a sale, or mastering a new language, practice makes perfect. AI role-play gives everyone a risk-free way to rehearse real-life scenarios and build confidence for success. Our mission is to democratize access to high-quality conversation training, making it available to anyone with a smartphone.

What it does

Core Product: An AI-powered mobile app that provides personalized conversation practice for professional and personal development, featuring:

Features:

  • Voice-First Conversations: Natural voice interactions with AI agents using ElevenLabs conversational AI technology
  • Scenario Library: Choose from ready-made scripts — cold calls, interviews, customer support, daily English conversation
  • Custom Scenario Builder: Create personalized practice scenarios tailored to specific industries and situations
  • Real-Time Speech Analysis: Get instant feedback on pronunciation, tone, pace, and conversation effectiveness
  • Progress Tracking: Visualize improvements over time with detailed analytics and performance metrics
  • Multi-Language Support: Practice conversations in multiple languages with native-level AI partners
  • Industry-Specific Templates: Pre-built scenarios for sales, healthcare, finance, tech, and more
  • White-Label Solutions: Branded AI conversation partners for schools and corporate training programs
  • Session Recording: Review past conversations to identify improvement areas
  • Adaptive Difficulty: AI adjusts conversation complexity based on user skill level
  • Cultural Adaptation: Scenarios adapted for different cultural contexts and communication styles
  • Mobile-First Design: Beautiful, intuitive interface optimized for mobile devices
  • Offline Practice: Download scenarios for practice without internet connection
  • Team Management: Corporate dashboards for tracking employee progress and performance

How We Built It

Main Technologies: ElevenLabs Conversational AI, OpenAI GPT-4, Supabase, RevenueCat, Expo

Technology Stack

  • Mobile: React Native with Expo SDK 52 for cross-platform mobile development
  • Database: Supabase for authentication, real-time database, and file storage
  • Infrastructure: Supabase serverless edge functions for scalable AI processing
  • AI Voice: ElevenLabs for natural voice conversations and speech synthesis
  • Conversational AI: OpenAI GPT-4 for dynamic dialogue generation and feedback analysis
  • Version Control: GitHub for version control, backups, and collaboration
  • Payments: RevenueCat for mobile subscriptions
  • Error Handling: Sentry for omprehensive error tracking and performance monitoring
  • Analytics: G4 Custom analytics dashboard for user progress and engagement metrics

How We Built It

Using ElevenLabs Conversational AI, OpenAI GPT-4, and Supabase, we created a seamless conversation practice experience:

  • AI conversation flow design (GPT-4) → Voice synthesis (ElevenLabs) → Real-time feedback analysis
  • Average conversation setup time: 5-10 seconds for instant practice sessions
  • Built cross-platform mobile app with Expo for iOS, Android, and web compatibility
  • Implemented serverless functions with Supabase to handle AI API calls and conversation processing
  • Created template system for rapid scenario deployment across different industries
  • Developed real-time analytics engine to track conversation quality and user progress

Challenges We Ran Into

  • Maintaining natural conversation rhythm while processing AI responses and providing real-time feedback without noticeable latency.

Accomplishments We're Proud Of

  1. Built a production-ready app with seamless voice conversations that feel natural and engaging to users.

What We Learned

  • Voice-first interactions are game-changing, users engage 3x longer with voice conversations compared to text-based alternatives, leading to better learning retention.
  • Real-time feedback drives engagement, users who receive immediate feedback during conversations show 40% better improvement rates compared to post-session feedback only.

What's next

  1. Expand to 10+ languages including Spanish, French, German, and Mandarin to reach global markets.
  2. Scale white-label solutions for educational institutions and enterprise customers.

Challenges we apply and why

  • Make More Money Challenge: Using RevenueCat for freemium model, with premium tiers for unlimited stories and extra voices
  • Voice AI Challenge: ElevenLabs powers narration—essential to the experience
  • Startup Challenge: Scalable backend with Supabase, ready for growth

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