Capacity.so
AI app builder using spec-first methodology to generate production-ready full-stack applications.
About Capacity.so
Capacity.so is an AI-powered full-stack application builder that uses a spec-first methodology. Founders define detailed specifications and user stories, then the agentic engine generates production-ready TypeScript code with React, Tailwind CSS, and Express backends.
Key Features
💰 Pricing
Credit-based pricing. Start free and upgrade when ready. Credits never expire. Full code ownership with GitHub export.
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📊 Comparison vs Alternatives
| Feature | ||||
|---|---|---|---|---|
| Pricing | Freemium | Freemium | Freemium | Freemium |
| Rating | ⭐ 4.2 | ⭐ 4.8 | ⭐ 4.8 | ⭐ 4.6 |
| Free Tier | ✅ | ✅ | ✅ | ✅ |
| Popularity | 30% | 100% | 94% | 92% |
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