Rapid product prototypes

Prototype against your real product before you commit the roadmap.

Flex turns product ideas into live, full-stack previews on the app you already have, so teams can validate flows, refine details, and decide what deserves engineering investment.

Experiment brief

New onboarding flow

Use the existing account setup screens, add an import step, and show teams the populated dashboard before signup completes.

Live preview

Share the actual flow with teammates.

Real constraints

See what breaks before roadmap commitment.

Move from opinion to evidence

Explore product ideas

Start from a prompt, Slack thread, Linear ticket, or browser context and turn it into a working experience.

Validate with stakeholders

Share a preview that behaves like software, not a static design file or throwaway demo.

Promote what matters

When an idea proves itself, engineering already has repo-aware implementation work to review.