Build Smarter, Prototype First
The best digital products start with a clear, tested, and validated prototype. Let Next Big Code build yours, so your development team can build with confidence from day one.
Professional Interactive Prototype Solutions
The most expensive mistakes in digital product development happen when teams start building before they've truly validated their ideas. An interactive prototype eliminates that risk.
We build prototypes specifically designed for user testing.
Our prototypes go far beyond static mockups. With real interactions, transitions, and navigation flows built in.
Nothing resolves misaligned expectations faster than something you can actually click through.
From simple concept validation to full enterprise-level interactive prototypes, choose the package that matches where your product is today.
Clickable, realistic, and built for feedback, here's a glimpse of the interactive prototype work we've delivered across web and mobile projects.
Our prototype development process is structured, collaborative, and transparent, so you always know exactly where your project stands and what comes next.
We begin by thoroughly understanding your product concept, target users, key user journeys, and the core problems.
Before designing any screens, we map out the full user flow, every path a user can take through your product, and every screen state.
Our designers bring your product to life screen by screen, applying your visual direction and building real interactive elements.
Once the prototype is complete, we support you through a testing and feedback round incorporating final refinements.
Building a great interactive prototype requires more than visual design skills; it demands a deep understanding of user psychology, product logic, and business goals. At Next Big Code, our prototyping team brings over 13 years of product design experience to every project. We don't just make things look good; we make them work logically, intuitively, and in complete alignment with how your real users think and behave.
Every interaction, transition, and navigation flow in our prototypes is designed with actual user behavior in mind.
Our prototypes are built to serve your development team directly. Screen specifications and interaction notes.
The entire point of prototyping is to identify and fix issues before they become expensive code problems.
Our prototypes are polished enough to present directly to investors, clients, and executive teams.
We apply a consistent design system across every screen in your prototype, including unified typography, color usage, and component styles.
We deliver prototype files in the tools your team already uses: Figma, Adobe XD, InVision, or others.
Insight into how we work, what you can expect, and how digital growth initiatives are structured.
We can begin with as few as 3 screens for a basic concept validation prototype. For more complete product representations, we typically recommend a minimum of 8 to 10 screens covering your core user journeys. The right scope depends on what you need to validate and who your key audience for the prototype is and we'll help you determine that in our initial discovery conversation.
Every project starts with a discovery session where we map your user flows and goals. From there, we move into screen design and interaction building sharing progress at regular milestones for your review. Most projects conclude with a round of user testing support and a final file handover. The entire process is collaborative, transparent, and structured around your timeline.
Both options are available. We work with clients who need a single prototype delivered quickly, and we also support product teams on an ongoing basis iterating on prototypes as features evolve, new user research comes in, or the product roadmap shifts. We tailor our engagement model to suit what your project actually needs.
Prototyping directly impacts the metrics that matter most in product development it reduces development rework costs, shortens the feedback cycle with stakeholders, increases development team confidence, improves user satisfaction scores after launch, and speeds up the overall time to market by resolving UX issues before they become code problems.
Our Basic package is delivered within 48 hours. Professional packages are typically completed within 3 to 5 business days. Enterprise packages with unlimited screens and complex interactions are delivered within 5 to 10 business days depending on scope. Rush delivery is available for time-sensitive projects just let us know your deadline upfront.
Yes. We offer post-delivery support that covers refinements based on user testing results, additional screen additions, interaction adjustments, and developer query support during the handover phase. We want to make sure your prototype successfully serves its purpose all the way through to development handoff.
Our primary tools are Figma and Adobe XD both widely adopted industry standards that work seamlessly with most development workflows. We can also deliver in InVision or other formats on request. All files are organized, annotated, and ready for immediate use by your development team.
Quality is maintained through structured review checkpoints at every stage of the process. We present work at wireframe stage, interaction stage, and final polish stage incorporating your feedback at each point before moving forward. Nothing is finalized without your explicit approval, and we continue refining until the prototype fully represents your product vision.