AI roleplay simulator for rehearsing high-stakes conversations
AI chess coach backed by Stockfish
Stage
Not given
Not given
Founded
Not given
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Based in
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DE
Pricing model
Freemium
Freemium
Pricing
Free: 3 messages without signup, 10 messages after sign-in. Pro Monthly: $12.90/month. Pro Yearly: $129/year (saves $25.80 vs monthly, about $10.75/month).
Free: no card needed. Plus: 14€/month or 139€/year (save 17%). Pro: 39€/month or 399€/year (save 15%).
Key features
33 personas including Elon Musk, Steve Jobs, Donald Trump, Socrates, and specialized coaches
Goal-oriented Mission Mode with live reaction meters
30 conversation guides for different scenarios
Method personas with specific communication frameworks
Practice without creating an account
Private personas and chat history sync for signed-in users
No content filters for difficult topics
Encrypted chat storage for signed-in users
Explain chess positions in plain language
Three coaching prompts: Coach, Trainer, and Beginner
Import games from lichess.org and chess.com
Create and share custom coaching prompts
Free AI models available
Paid AI models (DeepSeek, OpenAI gpt-6-luna)
Full Stockfish on server with paid plans
Visualize moves on interactive chess board
What makes it different
Builds communication as a muscle through practice, not theory
AI personas push back and test your boundaries unlike entertainment chatbots
Free access to all personas and scenarios, no paywall for basic practice
Privacy-first with no data selling or model training on user chats
Personas configured with specific methods like NVC and Socratic questioning, not celebrity imitations
Explains why moves work, not just what to play
Answers appear on the board for visual learning
Personalized coaching prompts for different skill levels
cosskill
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