Professional UI/UX app design services

Enterprise buyers evaluating your app need to reach value in the first session or they move on. Technical partners integrating with your platform need flows that match their actual workflows, not an idealized version you designed in a vacuum. We work with technical founders to redesign UI/UX app experiences around those real-world constraints, using structured user research and rapid iteration to close the gap between what your product does and what users can actually do with it.

Professional UI/UX designers collaborating on mobile app interface wireframes and prototypes

Our UI/UX app design services

End-to-end design from research and strategy through high-fidelity interfaces and developer handoff.

User experience (UX) design

Map user journeys, design information architectures, build wireframes, run usability testing, and validate flows with real users, so the product makes sense to the people using it, not just the team that built it.

User interface (UI) design

Design high-fidelity interfaces, apply brand styling, create component libraries, establish design tokens, build spacing systems, ensure accessibility compliance, and deliver developer handoffs ready for accurate implementation.

Interaction design

Design micro-interactions, define transitions between states, build interactive prototypes, specify gesture controls, and develop state changes that make complex workflows feel intuitive rather than technical.

Website UX design

Map complete user journeys, organize content structures, build wireframes and interactive prototypes, run usability testing, and ensure accessibility compliance for web platforms where visitors need to understand your product quickly.

Website UI design

Build scalable design systems for web, design micro-interactions, ensure cross-platform consistency, create data visualizations for technical products, and produce developer specifications that hold up under implementation.

Prototyping and testing

Build clickable prototypes for investor demos and user testing, validate design decisions with structured feedback, iterate quickly based on real findings, and surface problems in the flow before a single line of code is written.

User experience design

Design that drives business results

When users struggle to get value from a product, the problem is rarely the technology. It's usually the interface: onboarding flows that were built fast and never revisited, navigation that made sense to the team but not to a first-time user, or a product that's grown in features without growing in clarity. The result shows up as support tickets, low activation rates, and a gap between what the product can do and what users actually do with it. We work with technical founders and product teams to close that gap through structured UX research, clear information architecture, and interfaces designed around the workflows your users actually follow. The outcome is a product experience that reflects the maturity of the technology behind it.

Mobile app interface showcasing clean UI design with intuitive navigation and modern aesthetics
Success stories

Trusted by innovators

From early-stage product teams shipping their first user-tested flows to scaling platforms redesigning for enterprise buyers, we've helped companies turn complex software into products that users understand quickly and adopt consistently, including work with TATA1mg, Pristyn Care, and Ribbit Network.

"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

"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 team at What if Design was nimble, thoughtful and flexible. Their design process forced us to reflect and rethink our corporate strategy. They brought the company messaging to the forefront and accurately translated our vision to creatively visualize our deeply scientific work."

Susteon

"What If’s team did a great job learning our technology on a razor-tight deadline. They helped transform our complex interconnection process into clear, resonant visuals and messaging for both technical and non-technical audiences."

Lauren

"What if Design's leadership on our brand redesign was a dream. Their team worked as an extension of our mission, embodied our values, and then expanded upon our vision with ease. Our static, version 101 website was transformed into a full brand identity - professional, creative, and human."

Megan Holcomb
Megan Holcomb

"Before What If, we were relying on developers for design work — it was slow and clunky. From day one, the What If team understood exactly what we were building and came with proactive ideas to improve the user flow and features, not just execute on a brief. The ease..."

Vested Future

"They spoke our language from day one, delivered on every commitment, and never missed a deadline. Web traffic quintupled in our first week after launch, but more than the numbers, we went from a website we wanted to hide to one we're genuinely proud to show every new stakeholder. What..."

USIPA

"Working with What If Design felt like a true collaboration — flexible, responsive, and always ready to meet us where we were. Even with our ideas that weren't fully formed, they delivered a strong brand and pitch deck to show up confidently with investors and partners. That kind of adaptability..."

Warren/Gabe

"I’ve worked with a lot of agencies over the years: brand, web, comms, you name it. Every project has its own vibe, its own momentum (or lack thereof), and its own set of hurdles.But it’s rare to find a team that just gets it... the tech, the market, the nuance...while..."

Nathalie

"Working with the What if Design team has been an exceptional experience. Their attention to detail and creativity exceeded our expectations. Their expert guidance was comprehensive through every aspect of the project, from aesthetics to crafting compelling copy. Their efficiency and professionalism were evident in every interaction and team's kind..."

GetShine

"As a team of one, I needed partners who could match our pace. What If delivered on that completely. The speed of turnaround, the quick review cycles, the ability to iterate in near real time — that's what made the difference. Highly recommended if you're looking to move fast and..."

Jordan Con

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

Jackie

"The old website confused people about what we actually do, but post-launch, that sort of negative feedback has completely stopped. We received a lot of positive feedback on the professionalism and the design. Our previous contact page received maybe one or two hits per week, if that. After the launch..."

Tristan

"We went from people saying "I have no idea what you're doing" to immediately feeling credible and put together. What If took what was in our heads and made it real, even when we couldn't fully articulate it ourselves."

Ashley/John

"We knew it was time to reset, sharpen our focus, and build a foundation for the next stage of growth. The new website was a big part of that. What If understood the vision, spoke our design language, and actually delivered. Anyone working with them should know it's a great..."

Chris

"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

"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 team at What if Design was nimble, thoughtful and flexible. Their design process forced us to reflect and rethink our corporate strategy. They brought the company messaging to the forefront and accurately translated our vision to creatively visualize our deeply scientific work."

Susteon

"What If’s team did a great job learning our technology on a razor-tight deadline. They helped transform our complex interconnection process into clear, resonant visuals and messaging for both technical and non-technical audiences."

Lauren

"What if Design's leadership on our brand redesign was a dream. Their team worked as an extension of our mission, embodied our values, and then expanded upon our vision with ease. Our static, version 101 website was transformed into a full brand identity - professional, creative, and human."

Megan Holcomb
Megan Holcomb

"Before What If, we were relying on developers for design work — it was slow and clunky. From day one, the What If team understood exactly what we were building and came with proactive ideas to improve the user flow and features, not just execute on a brief. The ease..."

Vested Future

"They spoke our language from day one, delivered on every commitment, and never missed a deadline. Web traffic quintupled in our first week after launch, but more than the numbers, we went from a website we wanted to hide to one we're genuinely proud to show every new stakeholder. What..."

USIPA

"Working with What If Design felt like a true collaboration — flexible, responsive, and always ready to meet us where we were. Even with our ideas that weren't fully formed, they delivered a strong brand and pitch deck to show up confidently with investors and partners. That kind of adaptability..."

Warren/Gabe

"I’ve worked with a lot of agencies over the years: brand, web, comms, you name it. Every project has its own vibe, its own momentum (or lack thereof), and its own set of hurdles.But it’s rare to find a team that just gets it... the tech, the market, the nuance...while..."

Nathalie

"Working with the What if Design team has been an exceptional experience. Their attention to detail and creativity exceeded our expectations. Their expert guidance was comprehensive through every aspect of the project, from aesthetics to crafting compelling copy. Their efficiency and professionalism were evident in every interaction and team's kind..."

GetShine

"As a team of one, I needed partners who could match our pace. What If delivered on that completely. The speed of turnaround, the quick review cycles, the ability to iterate in near real time — that's what made the difference. Highly recommended if you're looking to move fast and..."

Jordan Con

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

Jackie

"The old website confused people about what we actually do, but post-launch, that sort of negative feedback has completely stopped. We received a lot of positive feedback on the professionalism and the design. Our previous contact page received maybe one or two hits per week, if that. After the launch..."

Tristan

"We went from people saying "I have no idea what you're doing" to immediately feeling credible and put together. What If took what was in our heads and made it real, even when we couldn't fully articulate it ourselves."

Ashley/John

"We knew it was time to reset, sharpen our focus, and build a foundation for the next stage of growth. The new website was a big part of that. What If understood the vision, spoke our design language, and actually delivered. Anyone working with them should know it's a great..."

Chris

"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

"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 team at What if Design was nimble, thoughtful and flexible. Their design process forced us to reflect and rethink our corporate strategy. They brought the company messaging to the forefront and accurately translated our vision to creatively visualize our deeply scientific work."

Susteon

"What If’s team did a great job learning our technology on a razor-tight deadline. They helped transform our complex interconnection process into clear, resonant visuals and messaging for both technical and non-technical audiences."

Lauren

"What if Design's leadership on our brand redesign was a dream. Their team worked as an extension of our mission, embodied our values, and then expanded upon our vision with ease. Our static, version 101 website was transformed into a full brand identity - professional, creative, and human."

Megan Holcomb
Megan Holcomb

"Before What If, we were relying on developers for design work — it was slow and clunky. From day one, the What If team understood exactly what we were building and came with proactive ideas to improve the user flow and features, not just execute on a brief. The ease..."

Vested Future

"They spoke our language from day one, delivered on every commitment, and never missed a deadline. Web traffic quintupled in our first week after launch, but more than the numbers, we went from a website we wanted to hide to one we're genuinely proud to show every new stakeholder. What..."

USIPA

"Working with What If Design felt like a true collaboration — flexible, responsive, and always ready to meet us where we were. Even with our ideas that weren't fully formed, they delivered a strong brand and pitch deck to show up confidently with investors and partners. That kind of adaptability..."

Warren/Gabe

"I’ve worked with a lot of agencies over the years: brand, web, comms, you name it. Every project has its own vibe, its own momentum (or lack thereof), and its own set of hurdles.But it’s rare to find a team that just gets it... the tech, the market, the nuance...while..."

Nathalie

"Working with the What if Design team has been an exceptional experience. Their attention to detail and creativity exceeded our expectations. Their expert guidance was comprehensive through every aspect of the project, from aesthetics to crafting compelling copy. Their efficiency and professionalism were evident in every interaction and team's kind..."

GetShine

"As a team of one, I needed partners who could match our pace. What If delivered on that completely. The speed of turnaround, the quick review cycles, the ability to iterate in near real time — that's what made the difference. Highly recommended if you're looking to move fast and..."

Jordan Con

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

Jackie

"The old website confused people about what we actually do, but post-launch, that sort of negative feedback has completely stopped. We received a lot of positive feedback on the professionalism and the design. Our previous contact page received maybe one or two hits per week, if that. After the launch..."

Tristan

"We went from people saying "I have no idea what you're doing" to immediately feeling credible and put together. What If took what was in our heads and made it real, even when we couldn't fully articulate it ourselves."

Ashley/John

"We knew it was time to reset, sharpen our focus, and build a foundation for the next stage of growth. The new website was a big part of that. What If understood the vision, spoke our design language, and actually delivered. Anyone working with them should know it's a great..."

Chris

Trusted by Industrial Leaders Worldwide

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Case Studies

Our work in UX

Real results for real businesses. See how we've helped our clients achieve their goals.

What sets us apart

Why work with us?

Design partners who bridge the gap between complex product requirements and the clarity your users and stakeholders need to move forward.

Speed

Iteration cycles built for product teams that can't afford to wait. Rapid turnaround on components, full projects delivered efficiently rather than taking months.

Cost efficiency

Senior-level design expertise without the overhead of a full-time hire: no salaries, benefits, or ramp-up time.

Full-service

End-to-end collaboration from user research and UX strategy through UI design and developer handoff, without handoffs between separate vendors.

Research-backed

User testing, heat maps, and structured feedback sessions inform each design iteration, so changes are grounded in how users actually behave, not how we assume they do.

Meet the design team

Co-founders with deep expertise in design, architecture, and business growth.

Akhila Kosaraju, Co-founder of What if Design

Akhila Kosaraju

Co-founder

Akhila is the co-founder and lead strategist at What if Design. She helps climate tech companies turn complex science into brands and websites that close funding and partnerships. She has worked with teams backed by the US Department of Energy, ARPA-E, leading climate VCs across carbon capture, grid interconnection, and green hydrogen, contributing to over $105M raised. Founders trust her because she learns the science and market before designing, and translates what they build visually for effective communication.

Tejas Mahajan, Co-founder of What if Design

Tejas Mahajan

Co-founder

Tejas is the co-founder and product UX lead at What if Design. He leads product and UX for software companies, designing for adoption, retention, and the metrics that drive growth. His work spans battery management systems, fleet platforms, and ESG tools, plus enterprise software for the Ministry of Health of Saudi Arabia. Founders trust him because he treats every screen as a business decision, not just a design problem.

Frequently asked questions

What is the difference between UI and UX design?

UX (User Experience) design focuses on the overall user journey, information architecture, wireframes, and ensuring the product solves real user problems effectively. UI (User Interface) design focuses on the visual appearance , colors, typography, components, and high-fidelity layouts. Both are essential: UX ensures the product works logically for the person using it, UI ensures it communicates clearly and looks intentional.

How long does a typical UI/UX app design project take?

Do you design for both iOS and Android platforms?

What deliverables will I receive at the end of the project?

How do you ensure the designs will actually work for our users?

Can you work with our existing brand guidelines?

How much does UI/UX app design cost?

Do you provide ongoing support after the initial design is complete?

Ready to improve your product experience?

Book a 30-minute call to walk through your current product flows and identify where users are losing time or dropping off.

Let's design something that works

Share your project details and we'll follow up with initial thoughts and next steps.

Contact Us Today

You can also send us a quick email at team@whatifdesign.in.