capacity - turn your idea into a real app, no code needed
About Capacity
AI app builder with two modes: Vibe Coding for fast iteration and Spec Coding that writes the brief and user stories first. Ships web and native mobile apps, exports the full codebase, and has a desktop app that runs on your own Claude, GPT or Gemini subscription.
Key Capabilities
Spec Coding mode drafts the project brief and user stories before any code
AI Co-Founder keeps project context across planning and debugging
Native iOS and Android builds alongside the web app
Desktop app for macOS and Windows uses your own AI subscriptions with no credit markup
Full codebase export to GitHub or ZIP on Growth and above
One-click deploy with Vercel integration and custom domains
Perfect for
Can you ship this to an app store?
Gives you mobile code, not a published app
You get cross-platform source you own. Building it and getting it through app review is your job, or your developer's.
Generates React Native and Expo running natively on both platforms, with full export of the project and no lock-in. Capacity states you can deploy to both stores; the build and submission are yours to run.
Per Capacity's own documentation, checked 2026-08-22. Source
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