Capacity

Capacity is a Coding & Development tool that helps users build full-stack web and mobile applications using AI. It generates production-ready React applications with Tailwind CSS, TypeScript, and tRPC/REST APIs, requiring no coding.

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At a glance

Pricing

Paid · Usage-based

Free tier

API

Skill level

Non-technical

About

What is Capacity?

Capacity is an AI-powered platform designed to transform ideas into production-ready web and mobile applications without requiring any coding skills. Users can describe their vision in plain English, and the AI Co-founder assists in refining the idea, planning, and building the application. It generates full-stack applications with a real backend (Express server) and SQLite database, ensuring users own 100% of their code. The platform supports both web and mobile app development (React Native) from a single codebase and offers instant deployment to platforms like Vercel or AWS. Capacity also features 'Spec mode' for detailed planning before coding and allows users to export their code to GitHub or download it directly.

Best used for

Ideal for startup founders and developers who need to rapidly prototype, build, and deploy full-stack web and mobile applications. Especially valuable for those without extensive coding skills or who want to accelerate their development workflow by leveraging AI for code generation and project planning.

Common actions

generate web apps

build mobile apps

create full-stack applications

plan software projects

export code

Code GenerationAI web developmentfull-stack application builder

Capabilities

Key features

AI Co-founder assistance
Full-stack app generation
Web and mobile apps
Real backend and database
Code export to GitHub
Instant deployment
Spec mode planning

Target Audience

startup founderdevelopersmall business owner

Integrations

Not yet documented

Pricing & Plans

Paid · Usage-based

Not publicly disclosed. Check capacity.so for current pricing.

FAQs

Do I need coding experience to use Capacity?

No, Capacity is designed for users without coding experience. Its AI Co-founder handles the technical complexities, allowing you to describe your vision in plain English and watch your web or mobile app come to life.

What technologies does Capacity use for generated applications?

Capacity generates production-ready full-stack applications using React, TypeScript, and Tailwind CSS for web, and React Native for mobile. Each app includes an Express backend and an SQLite database, ensuring you own all the code.

How does Capacity's credit-based billing work?

Capacity uses a credit-based system where credits are consumed based on usage complexity. Simple requests use fewer credits, while complex operations like building features use more. Credits never expire, and you only pay for what you use.

Can I export the code generated by Capacity?

Yes, you own 100% of the code created with Capacity. You can export your code to GitHub or download it directly at any time, providing full control and preventing vendor lock-in.

What is the difference between Vibe and Spec modes?

Vibe mode is for quick prototyping, allowing you to describe and build rapidly. Spec mode, on the other hand, helps you plan your project first by generating detailed specifications before any coding begins, ensuring a well-thought-out approach.

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