Free while it is in beta.

Prices are not set yet. The plan: everything your agent uses stays free, and a paid plan comes later for the desktop app and for teams. These tiers may still change.

Free

Every developer, every agent

Free

  • The MCP server and every agent tool
  • Setup for Claude Code and Codex, with undo
  • The SDK and the Babel plugin in your app
  • Screen, input, component tree, logs, errors, network, state, navigation for the agent

Pro

Per developer

Free during the beta

  • The desktop app: the live simulator you click and type into
  • Inspector: a click on the screen to the component and its line
  • Logs, errors, network, state and navigation panels
  • Your agent in a terminal tab, one approval queue, send to agent

Team

For teams and CI

Planned, not built

  • Ideas under consideration: scenario runs in CI, feature verification reports, shared fixtures and rules
Join the beta

The Free tier needs no sign-up: run the setup command in your project.

Questions

What does it cost?
Nothing during the closed beta. Prices are not set yet, and the split between the tiers may still change.
Will the agent tools need a license?
The plan today is no: the MCP server and its tools are the free core, and a paid plan would be for the desktop app and for teams.
Is Parallax open source?
No. It is free to use under a proprietary license. The packages install from npm; the source is not public.
How do I get the desktop app?
Join the beta. The desktop app is invite-only while it is in closed beta.