Expert UX Prototyping Designers to partner with

Transform complex ideas into tangible, testable experiences that accelerate product validation. Our UX prototyping designers craft interactive prototypes that help you secure funding, validate assumptions with real users, and build confidence before investing in full development. From low-fidelity wireframes to high-fidelity clickable prototypes, we turn your vision into something stakeholders can experience.

UX designer creating interactive prototype on laptop with design tools and user flow diagrams

Our UX Prototyping Services

From concept validation to investor demos, we create prototypes that bring your product vision to life.

Low-Fidelity Wireframes

Rapid wireframe creation to explore multiple concepts quickly. Perfect for early-stage validation and stakeholder alignment before investing in detailed design work.

High-Fidelity Interactive Prototypes

Pixel-perfect, clickable prototypes that simulate the final product experience. Ideal for investor presentations, user testing, and developer handoffs with realistic interactions.

User Journey Mapping

Comprehensive user flow documentation that maps every touchpoint in your product. Identifies pain points and opportunities to optimize the user experience before development begins.

Usability Testing & Iteration

Validate prototypes with real users through structured testing sessions. Gather actionable feedback to refine designs and eliminate costly post-launch revisions.

Design System Prototypes

Build scalable component libraries and design systems that ensure consistency across your product. Perfect for startups planning multi-platform expansion.

Animation & Micro-interaction Specs

Define delightful interactions and transitions that enhance user engagement. Complete documentation for developers to implement smooth, professional animations.

Service Process

Our Proven 5-Step Prototyping Process

Discovery & Research Sprint

We start with 90-minute stakeholder alignment workshops to understand your product vision, target users, and business goals. Through user research and competitive analysis, we identify the core problems your prototype needs to solve and establish success metrics.

Information Architecture & User Flows

Rapid Wireframe Iteration

High-Fidelity Prototype Development

User Testing & Refinement

Proven Results

Success Stories

Our prototypes have helped secure millions in funding and accelerate product launches for innovative companies.

"Working with What If has been transformative — faster feature roll outs, reduced development costs, and a fantastic user experience. They quickly understood our vision and offered proactive ideas"

Kent Costello
Kent Costello

"They very quickly understood the kind of messaging that was important to us and how to translate that into a compelling visual experience. I can't recommend them enough!"

Keenan Johnson
Keenan Johnson

"The extremely high quality of outputs with fast turn around times and availability of team at short notice has been perfect for our requirements"

Ayush Banerjee
Ayush Banerjee

"Working with What If has been transformative — faster feature roll outs, reduced development costs, and a fantastic user experience. They quickly understood our vision and offered proactive ideas"

Kent Costello
Kent Costello

"They very quickly understood the kind of messaging that was important to us and how to translate that into a compelling visual experience. I can't recommend them enough!"

Keenan Johnson
Keenan Johnson

"The extremely high quality of outputs with fast turn around times and availability of team at short notice has been perfect for our requirements"

Ayush Banerjee
Ayush Banerjee

"Working with What If has been transformative — faster feature roll outs, reduced development costs, and a fantastic user experience. They quickly understood our vision and offered proactive ideas"

Kent Costello
Kent Costello

"They very quickly understood the kind of messaging that was important to us and how to translate that into a compelling visual experience. I can't recommend them enough!"

Keenan Johnson
Keenan Johnson

"The extremely high quality of outputs with fast turn around times and availability of team at short notice has been perfect for our requirements"

Ayush Banerjee
Ayush Banerjee
The What if Design Difference

Why Partner with What if Design?

We're climate-focused designers who understand the unique challenges of bringing innovative solutions to market.

Climate Tech Expertise

We specialize in prototyping for sustainability platforms, energy management systems, and environmental technology—translating complex technical concepts into intuitive user experiences.

Rapid Iteration Speed

Our lightning-fast design sprints deliver prototypes in weeks, not months. We offer turnaround times as quick as 48 hours for urgent investor presentations or pilot deadlines.

Data-Driven Design

Every prototype decision is validated through user research, competitive analysis, and usability testing. We use heat maps and session recordings to optimize conversion paths.

Cost-Effective Partnership

At 3x cheaper than hiring in-house senior designers, we deliver enterprise-quality prototypes without the overhead. Full-service support from concept to developer handoff.

Meet The Design Team

Design leaders with deep experience in innovation and digital products.

Akhila Kosaraju

Co-founder

Akhila brings a unique architectural perspective to UX prototyping, having designed innovative LEED-certified buildings and $100M+ urban interventions that impacted millions of people. Her background in large-scale spatial design translates into exceptional information architecture skills—she understands how people navigate complex systems. Before co-founding What if Design, she specialized in creating user-centered environments where form follows function, a philosophy she now applies to digital product design. Akhila excels at translating technical complexity into intuitive interfaces, making her invaluable for climate tech and deep tech prototypes that must communicate sophisticated concepts to diverse audiences. Her approach combines rigorous user research with rapid prototyping techniques, helping clients validate assumptions before committing to expensive development cycles.

Tejas Mahajan

Co-founder

Tejas brings business growth expertise to prototyping strategy, having driven expansion for OYO across three countries and trained over 1,700 people throughout India. His experience in scaling operations and understanding diverse user needs across markets makes him exceptional at identifying the business value within design decisions. Before co-founding What if Design, Tejas developed a deep understanding of what makes products succeed in competitive markets—insights he now channels into prototype validation frameworks. He specializes in designing user flows that align with business metrics, ensuring every prototype element serves strategic goals. Tejas's strength lies in bridging the gap between design vision and business reality, helping clients create prototypes that not only delight users but also drive measurable outcomes like pilot sign-ups, investor interest, and revenue growth. His systematic approach to user testing and iteration has helped numerous startups refine their product-market fit.

Frequently Asked Questions

How long does it take to create a UX prototype?

Timeline depends on complexity. Low-fidelity wireframes can be delivered in 1-2 weeks, while comprehensive high-fidelity prototypes typically take 4-8 weeks. For urgent needs like investor presentations, we offer expedited 48-hour turnaround for focused prototype sprints.

What's the difference between low-fidelity and high-fidelity prototypes?

Do you conduct user testing with our target audience?

Can prototypes be used for developer handoff?

What tools do you use for prototyping?

How much does UX prototyping cost?

Can you prototype complex technical products like energy management systems?

What if we need changes after the prototype is delivered?

Ready to Validate Your Product Concept?

Let's discuss how UX prototyping can accelerate your product development and reduce risk.

Let's Bring Your Product Vision to Life

Share your project details and we'll respond within 24 hours with a custom prototyping roadmap.

Contact Us Today

For immediate assistance, feel free to give us a direct call at You can also send us a quick email at team@whatifdesign.in