The most expensive thing you can do in a software project is build the wrong thing. A clickable prototype lets you test your assumptions, get feedback from real users, and show investors or stakeholders something tangible before committing to full development costs.
We build web app prototypes in Webflow or Figma depending on the level of fidelity you need. Webflow prototypes are fully interactive in the browser and can demonstrate real user flows without writing a line of backend code. Figma prototypes are faster to produce and ideal for early-stage validation and investor decks.
Either way, the goal is the same: give you something real to test so you build the right product the first time.
Part of our Websites service. See also: Web App Design.
A prototype is an interactive version of your design that simulates how the final product will behave without requiring the full development build. Users can click through flows, submit forms, navigate between screens, and experience the interaction design in a way that static mockups do not allow. Prototypes are used to validate design decisions with real users before development starts, present to stakeholders or investors in a format they can interact with, and surface usability problems when fixing them is still cheap. Skipping prototyping usually means those problems get discovered in development or, worse, after launch.
Webflow prototypes are interactive in the browser: real clicks, real navigation, real animations. They are ideal when you need stakeholders or test users to experience the product close to how it will actually behave, when your interactions are complex enough that static screens do not communicate them, or when you want an investor-facing demo that can be shared via URL without any special software. Figma prototypes are faster to produce and easier to iterate on, which makes them better for early-stage exploration and internal alignment before investing in a higher-fidelity build.
A good prototype for investor or stakeholder presentations covers three things: the core user flow that demonstrates the primary value proposition, enough visual polish to communicate what the finished product will feel like, and enough interactivity to let the viewer experience the product rather than just looking at screenshots. You do not need to prototype every edge case or error state. Focus the prototype on the three to five most important flows rather than trying to build an exhaustive simulation of every screen.