An app prototype is an interactive model of your app’s design that shows how the user interface will look and behave. It lets you test user flows, navigation, and interactions before writing any actual code.
Validate UX Early – Catch design flaws before development
Save Time & Cost – Avoid redesigns by testing with real users
Gather Feedback – Let users and stakeholders explore and comment
Align Teams – Ensure design, dev, and business goals are in sync
Pitch Ready – Show investors a clickable app, not just slides
Reviewing wireframes with stakeholders
Preparing for investor demos or pitch decks
Testing how users move through features and screens
Transitioning from design to development
Refining your MVP’s scope and user journey
In the project, we built an interactive app prototype to showcase user journeys and core functionality. This enabled early testing with target users and gave the client confidence when presenting the concept to investors.
A prototype doesn’t need to be perfect — it just needs to feel real enough for people to interact with. Many founders delay prototyping, but testing early can save you tens of thousands in redesign costs. Learn more in our importance of prototyping guide.
Metric / Concept — Description
Task Completion Rate — Can users complete the intended tasks with ease?
Click‑Through Paths — How users navigate across screens and buttons
Usability Feedback — User insights from observing real‑time interactions
Prototype Fidelity — Low‑fi = rough sketches; High‑fi = looks like a real app
Figma – High‑fidelity prototypes with live collaboration
Adobe XD – Interactive design with animation support
InVision – Clickable mockups and stakeholder review
Maze – Run user tests directly on your prototype and collect data
AI‑powered design tools can now generate interactive flows from prompts or sketches, dramatically reducing design cycles. Real‑time user feedback, smart UI suggestions, and low‑code transitions from prototype to build are the next big steps. Read more about AI design tools in this article on interactive app design.
App Proof of Concept (PoC)
Wireframes
Mockups
App Design
External: Why Early Prototyping Saves You Money
External: Effective Prototype Testing Techniques
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