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PAGAI Tools
#3 in App buildersFree tier

Bolt

StackBlitz's in-browser builder for full-stack apps.

Bolt, from StackBlitz, builds a full-stack app in the browser from a prompt. You can see and edit the project files while the agent works, then export or connect the repo.

Official site

Why this rank

It is the in-browser option: no local setup, the files are visible, and you can keep editing them in the same tab.

Best for

Fast prototypes you can open, edit, and export.

Pricing

Free allowance plus paid plans metered in tokens. Current token prices are on bolt.new. We are not quoting a dollar figure here.

Pricing checked November 7, 2026. Confirm it on the official site.

Before you commit

  • A long build can spend the free token allowance quickly.
  • The browser environment is not a substitute for your production host.

Also look at

  • v0 — Vercel's builder for React and Next.js interfaces.
  • Lovable — Describe an app and Lovable builds and hosts it.
  • Replit — Cloud development environment with an agent on top.