Build any idea instantly

Describe your idea

Type what you want to build in plain English. A SaaS dashboard, a mobile app, a landing page, an internal tool. No specs required.

Watch AI build it

Our AI streams a real codebase into a live sandbox. Edit files, inspect elements, and iterate as it builds. All in real time.

Deploy with one click

Ship to the web with your own custom domain. Or download the source. Or push to GitHub. Your code, your call.

Live preview

Every project runs in an isolated E2B sandbox. See your changes the moment the AI writes them.

Visual edit mode

Click any element on the preview to highlight, restyle, or replace it. The AI rewrites the right file.

Mobile apps with Expo

Build real iOS and Android apps. Scan a QR code to test on your phone in seconds.

Team collaboration

Invite editors to any project. Owners pay for credits, collaborators ship. Your usage stays scoped.

GitHub integration

Connect your repo, import existing projects, or push every change as a proper commit.

Custom domains

Ship under your own brand. Connect a domain or use a flexbuild.app subdomain, free.

Ship to the App Store

Take your Expo project from idea to TestFlight without leaving the browser. Apple credentials, signing, and submission handled.

Own your code

No lock-in. Download the full source, push to GitHub, or fork your project at any time. Your work, your repo.

Free

For trying things out

• 35 credits per month
• 5 credits per day
• Up to 3 projects

Max

For teams shipping at volume

• 1K – 10K credits per month
• Autonomous Agent mode
• Dedicated support
• Early access to new features