Capacity vs Emergent

Capacity

• Non-developers who want an app built and hosted in one place
• People who already pay for Claude or ChatGPT and want to build with it
• Products that need a web app and a companion mobile app on one backend

Emergent

• Solo founders who want a web app and a matching mobile app from one project
• Non-developers building internal tools, dashboards or CRMs by prompt
• Builders who want the generated code in their own GitHub repository

Capacity

• The pricing page lists no free plan; paid plans start at $25 a month, and extra credits are sold from $9 for 10.
• The built-in agent is metered in credits, and each message uses a variable amount depending on the task.
• Servers larger than the free 256 MB tier draw 1 to 10 credits a day from the same balance.
• The desktop app is described as a Mac app; no Windows or Linux version is mentioned.

Emergent

• The Free plan has 10 credits a month and cannot deploy apps, connect GitHub or use custom domains.
• Each deployed app uses 50 credits a month, half of the Standard plan's 100-credit allowance.
• Monthly subscription credits do not roll over; top-up credits, at $10 for 50, never expire.
• Mobile apps use a fixed Expo, FastAPI and MongoDB stack; Flutter and native Swift or Kotlin are not supported.

Capacity

Questions first, then a full-stack app

Capacity asks about purpose, users and style before it builds, then generates a frontend, a backend and a dedicated database that are wired together.

Build from Claude or ChatGPT

A connector lets Claude or ChatGPT create and edit Capacity apps from a chat. That work runs on your own AI subscription and uses no Capacity credits on paid plans.

Vibe and Spec coding modes

Vibe mode builds straight from prompts. Spec mode has the AI follow a project brief, UX specs and design requirements that are written first.

Hosting and custom domains

Apps publish to a capacity.studio address on a dedicated server. The 256 MB tier uses no credits, larger servers use 1 to 10 credits a day, and custom domains can be connected.

Native mobile apps

A project can include an iOS and Android app built with Expo that shares the web app's backend. Builds run in the cloud and can be submitted to both app stores.

Version history and code export

Every change is a version that can be restored. The pricing page lists full codebase export under Growth, while the changelog says ZIP download is on all plans.

Emergent

Agent-built full-stack apps

Describe an app in chat and Emergent's agents write the frontend and backend, set up authentication, then test and debug the result.

Mobile apps with Expo

A Mobile agent builds iOS and Android apps from one Expo (React Native) codebase with a FastAPI backend and MongoDB. It is available on paid plans only.

Web and mobile conversion

A deployed web app can be rebuilt as a mobile app, or the reverse, with both versions sharing the same backend, database and login.

Deployment and custom domains

Previews expire after 30 minutes; deploying keeps an app online and costs 50 credits a month per app. Custom domains are available on paid plans.

GitHub integration

Paid plans can connect GitHub for version control. Emergent states that you own the generated code and can download, modify or host it elsewhere.

Custom agents and Pro modes

Pro adds custom AI agent creation, system prompt editing, a 1M context window and an Ultra thinking mode for complex builds.

Capacity

• Starter$25

  per month

  100 credits for the Capacity agent, unlimited building from Claude and ChatGPT, unlimited projects, custom domains and email support.

• Growth$69

  per month

  250 credits for the Capacity agent, full codebase export and a dedicated WhatsApp support channel.

• Professional$129

  per month

  500 credits, everything in Growth, premium support and early access to new features.

• Business$299

  per month

  1,000 credits, everything in Professional, a dedicated success manager and custom integrations.

Emergent

• Free$0

  10 free monthly credits with core platform features. Deployments, GitHub integration, custom domains and top-ups are not included.

• Standard$17

  per month, billed annually; $20 billed monthly

  100 credits a month, web and mobile app building, private project hosting, GitHub integration, forking and the option to buy extra credits.

• Pro$167

  per month, billed annually; $200 billed monthly

  750 credits a month, a 1M context window, Ultra thinking, system prompt editing, custom AI agents, larger machines and priority support.

• BusinessCustom

  Everything in Pro, plus role-based access control, single sign-on, shared team workspaces and real-time co-editing.

• EnterpriseCustom

  Everything in Business, plus user-level credit limits, audit logs, self-hosted database support and deployment in your own cloud.

Capacity

No public discounts listed.

Emergent

• Annual discount

  Lower monthly rate with annual billing

  On the pricing page, annual billing brings Standard from $20 to $17 a month (a $36 saving a year) and Pro from $200 to $167 a month (a $396 saving a year).