Glossary

What is a Prototype?

A Prototype is a preliminary version of a product, website, or feature built to test concepts, gather feedback, and validate assumptions before investing in full development. Prototypes can range from low-fidelity (sketches, wireframes) to high-fidelity (interactive mockups that closely resemble the final product).

Prototyping is essential for B2B SaaS companies because it reduces the risk of building features that customers don't want.

  • Fail Fast & Cheap: A clickable prototype built in Figma or Webflow takes days to create, costs a few thousand dollars, and can save millions in wasted development on features customers don't need.
  • Customer Validation: Instead of describing a feature to customers, you can show them a prototype and get real feedback on whether they like the design, information architecture, and user flow.
  • Stakeholder Alignment: Prototypes align product teams, executives, and sales teams on what will actually be built. This prevents costly miscommunication and rework.
  • Specification Document: A high-fidelity prototype serves as a detailed spec for developers, reducing ambiguity and speeding up the development process.

Example from Flowtrix Projects

For a SaaS startup, our design team created a high-fidelity prototype of a new feature in Figma. We tested it with 10 target customers and discovered a critical flaw in the user flow that would have caused 40% of users to abandon the feature. The prototype revealed this risk for $3K before development spent $50K building the wrong thing.

Categories:
Development
Technical
Related Terms:

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