| What it does | A startup decision engine for solo founders that kills weak ideas before they waste your months
| UI components, templates and Skills for AI models to deliver professional-grade work
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Paid
| Freemium
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| Pricing | Starter: $19 (2 credits); Founder Discovery Pass: $49 (6 credits); Multi-Market: $99 (15 credits); Working Founder: $149 (30 credits). Credits never expire. New accounts receive 2 free credits for any run except Discovery.
| Builder: ¥45/month, ¥128/quarter, ¥379/year. Includes unlimited copy and install, 8pt MCP, all components, templates, themes, icons, and Skills. Builder + AI coming soon: ¥959/year. Team coming soon: ¥479/seat/year for 2 to 50 seats.
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| Key features | - 12 deal-breaker checks for evaluating ideas
- Market discovery with live searches across real sources
- Whittle Score ranked 0–100 from fixed rubric computed in code
- Build it / Test it first / Drop it verdict with reasons
- Evidence linked to source pages or marked not verified
- Up to 5 ranked idea candidates per Discovery run
- Deep-dive modules: Kill My Idea, Pricing Power, Support Burden, Platform Risk, Pivot Wedge
- Prepaid credits with no expiration
- Free founder profile read and 2 free credits on signup
- Async-only validation with no customer calls required
| - 42 ready-to-use UI components with live preview and full source code
- Full-page templates that work immediately
- Skills library for models to follow professional workflows
- Unified theme system with variable-based design tokens
- 48 original icons with consistent line weight and 24px grid
- MCP integration for Claude Code, Cursor, Codex, and Trae
- Prompt copying and component installation across multiple AI models
- Native HTML, CSS, and JavaScript source code with no hidden dependencies
- CLI access for terminal-based component installation
- Personal collections with project-based organization
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| What makes it different | - No subscription or sales calls—pay per decision with credits that never expire
| - Works with any text-capable AI model, not locked to one platform
- Single prompt works across different models and editors from terminals to code editors
- Real source code that adapts to each project's design system and framework
- Same components look completely different across projects through themes and design variables
- Commercial use allowed for copied or installed code in own projects
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 3 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 18 | 0 |
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| Citation Flow (Majestic) | 24 | 0 |
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| Referring domains (Majestic) | 51 | 0 |
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WhittleOS
8pt