cosskill

Practice difficult conversations with AI personas.

2 followers

Practice difficult conversations with AI personas.

2 followers

cosskill is an AI communication simulator for rehearsing high-stakes conversations — salary negotiations, performance feedback, difficult personal talks — with realistic AI personas before they happen. Start instantly in the browser: 3 messages free without an account, 10 after signing in — all personas and scenarios included. Pro ($12.90/mo) unlocks unlimited practice.

Free

Launch tags:Tech

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Maker

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Key Features: - 6 curated method personas (not random character roleplay) - No signup, no account, no credit card - Structured conversation practice with heuristics & boundaries - Real-time SSE streaming responses - Zero data collection — sessions stored in browser only - Completely free with no usage limits

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5mo ago

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3d ago

cosskill update: Chinese-language interface and Pro plan

cosskill the browser-based AI communication simulator for rehearsing high-stakes conversations recently shipped two updates:

- A Chinese-language interface: the full main flow is now available at cosskill.com/zh.

- A Pro plan for frequent practicers: $12.90/mo, or $9.90/mo billed annually ($118.80/yr). The free tier remains 3 messages without an account, 10 after signing in, with all personas and scenarios included.

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