Web App Design

Web app design that drives
growth & user engagement

We create intuitive, user-centric designs that simplify workflows, enhance usability, and boost conversions — ensuring your web app is both functional and future-proof.

Working with innovators backed by

98%

Customer satisfaction rate

500M+

investments raised by clients

120+

projects launches

50+

world-class team members

Challenges

We design web apps that solve
problems,
not create them

Is your web app frustrating users with poor navigation and low engagement?

A confusing interface, slow load times, and lack of intuitive design can drive users away. We create seamless, user-centric experiences with clear navigation, smart UI patterns, and accessibility best practices to keep users engaged and encourage retention.

Are inefficient workflows slowing down productivity and frustrating your team?

Poorly structured web app can lead to wasted time, errors, and user frustration. We optimize workflows by reducing friction, streamlining interactions, and incorporating automation where needed—allowing users to complete tasks faster and more efficiently.

Struggling with low conversions and high drop-off rates?

If users abandon your web app before taking key actions, your business is losing potential revenue. We apply data-driven design strategies, psychological triggers, and A/B testing to create high-converting user journeys that guide visitors seamlessly toward sign-ups, purchases, or other critical goals.

Tailored Web app Solutions for Your Business

Industry-specific
web app solutions

01
SaaS

Scalable applications thoughtfully designed to enhance user engagement, streamline and optimize workflows, and effectively support subscription-based business models.

02
EdTech

Interactive learning platforms with student dashboards, virtual classrooms, and AI-powered personalization for better educational experiences.

03
Web3 & Blockchain

Decentralized applications (dApps) featuring secure transactions, transparent smart contracts, and intuitive user interfaces for blockchain-based projects.

04
FinTech

Financial solutions with seamless transactions, AI-driven analytics, and compliance-ready UI/UX to improve trust and efficiency.

05
Real Estate

Intuitive property listing platforms with virtual tours, mortgage calculators, and CRM-integrated solutions for agents and buyers.

06
Logistics & Supply Chain

Web apps designed for real-time shipment tracking, automated inventory management, and predictive analytics for supply chain optimization.

Benefits of a Professionally Designed Web app

Why should you choose our
web app design agency?

User-centric approach

We put your users at the heart of the design process. By conducting in-depth research, usability testing, and data-driven decision-making, we craft intuitive web apps that enhance user experience and drive conversions.

Seamless collaboration & transparency

We integrate smoothly with your team, offering real-time updates, direct communication channels, and a collaborative workflow. This ensures you’re involved in every step, with full transparency and control over the process.

Design with development in mind

Our designs are not just visually stunning—they are built for seamless implementation. We create scalable, development-ready designs that follow UX best practices, ensuring smooth integration, faster development cycles, and reduced rework.

Mid-level and senior experts

Our team consists of seasoned web designers with 7+ years of experience, specializing in your industry. This expertise ensures your web app is strategically designed to meet both business goals and user expectations.

Proven trust and high satisfaction

We prioritize long-term relationships and client satisfaction. With a 98% satisfaction rate, our commitment to quality, reliability, and results-driven design has made us a trusted partner for businesses worldwide.

Process

Our step-by-step approach 
to web app design

Stakeholder interview

Aligning on business goals and technical requirements.

Detailed brief

Competitor & trends analysis

Conducting thorough market analysis to understand user needs, define website structure, and create a seamless user experience tailored to specific goals.

Research report Pages structure recommendations

Features prioritization

Structuring features based on feasibility and business impact.

Features breakdown Product versions pipeline

Userflow & wireframes

We map the user journey and build wireframes to structure the experience.

Userflow diagrams Wireframes for key screens

Visual direction

Our team sets the visual tone, ensuring brand consistency and creating a lasting impression.

Moodboard Design conceptions

UI design

Designing user-friendly interfaces that highlight your brand. We provide a complete UX kit with all assets, specs, and guidelines structured for developers.

Development-ready mockups

Testing & validation

We rigorously test designs with real users and refine them based on feedback.

Testing report Refined mockups

Mockups hand-off

Finalizing all design specifications and animations to ensure seamless implementation by developers.

Ready to get a website that works, 
scales, and converts?

Featured Cases

Discover how we’re driving change through innovative projects, strong partnerships, and measurable outcomes.

#Product design

AIRES – AI-powered CRM for real estate
AIRES Canada

AIRES is building the future of real estate sales, today

#UX audit #Product redesign #Frontend development

KlickEx – how a fintech redesign boosted conversion by 35% and grew users by 3K monthly
KlickEx Group New Zealand

Bridging Communities Through Seamless Money Transfers

#UX Audit #Product redesign #Front-end development #Team extention

Isora – governance, risk, and compliance assessment platform
SaltyCloud Texas, USA

Overcoming all GRC challenges in one place

why chose us?

Your success is our
priority

User-centered, data-driven design

We ground every decision in thorough research, competitive analysis, and UX best practices—ensuring each product resonates with real user needs and drives measurable impact.

Proactive & consultative approach

Think of us as an extension of your team, not just another vendor. We offer expert guidance and open collaboration at every step, fueling strategic decisions that move your product and business forward.

Ongoing support & product growth

Our partnership doesn’t end at launch. We stay invested in your success, continuously refining and enhancing your product as your business evolves—so you can scale confidently.

All about good vibes (and even better results)

At the core of everything we do is a positive and open environment. We believe in building strong relationships, nurturing creativity, and creating a vibe that energizes both our team and yours.

what our clients say

5.0 is our average
on clutch & designrush

Adam Kyle Wilson

Founder of Polyform Studio

Alex Friedman

CEO at Open Path

Not only is the team extremely communicative, their work is exceptional. I have never worked with a team so talented while also being competitively priced and communicative.

George Fry

Founder at Neap

The quality of the designs is fantastic. Phenomenon Studio works at speed and is extremely punctual with timelines. They deliver top-notch outcomes with exceptional designs.

Anna Figura

Product Manager at Assetario

We've had a stable increase in website visits and engagement, thanks to Phenomenon Studio.

Andre Guerra

Co-Owner at RADCAT Design

Joshua Caleb

Chief Innovation Officer at Divi Labs

The exceptional professionalism and design quality that I experienced collaborating with Phenomenon since our first project together is why I exclusively work with them to this day.

Awards
Wins that inspire us
forward

Top product design company 2024

Top rated plus agency by Upwork

Professional partner by Webflow

Nominee 2024
Isora - GRC Platform

Site of the Day & honorable mentions

Related services

Looking for more?

Rapid MVP Development

Launch 50% faster with our lean development approach and pre-built frameworks.

Product Redesign

Revamp your UI/UX to boost retention and scale effortlessly.

Web development-old

In custom code, there are no facets of what is possible if the implementation contains business value. We help to find unique custom solutions and offer simpler, but no less effective solutions thanks to our experience.

FAQ

Questions already
answered
01

How to design a web app?

Designing a web app is a multifaceted process that requires a deep understanding of user needs, behaviors, and goals. It involves creating intuitive interfaces that are not only visually appealing but also functional, ensuring users can navigate the app easily and achieve their desired outcomes without frustration. Our web app UI design services take a user-centered approach, prioritizing usability, accessibility, and engagement. We focus on crafting designs that enhance the overall user experience by streamlining workflows, improving interaction design, and ensuring the app performs seamlessly across different devices and platforms.

02

What are web app design patterns?

Web app design patterns are standardized, reusable solutions to common design challenges that developers and designers face when building applications. These patterns provide a framework or guideline for addressing issues such as navigation, user input, data display, and interactivity. By using design patterns, teams can ensure a consistent and intuitive user experience across the application, while also streamlining the development process. They help reduce the time spent on solving recurring problems, promote best practices, and improve usability by following familiar design conventions. Examples include hamburger menus for navigation, modals for alerts or additional information, and infinite scrolling for content-heavy interfaces. Adopting design patterns can significantly enhance both the efficiency of development and the overall quality of the user experience.

03

Why is custom web app design important?

Custom web app design goes beyond a one-size-fits-all approach, tailoring the application to meet your specific business needs and goals. By focusing on your unique requirements, it ensures that every feature and functionality aligns with your objectives, improving efficiency and productivity. Additionally, custom design provides a personalized user experience that resonates with your target audience, making it easier to engage and retain customers. This distinct approach not only enhances usability but also helps differentiate your brand from competitors, giving you a competitive edge in the market. With custom web app design, you can create a solution that grows with your business and delivers long-term value.

04

How does web design for mobile apps differ from web apps?

Web design for mobile apps focuses primarily on creating interfaces that are optimized for touchscreens and smaller screens. This requires an emphasis on simplicity, large touch targets, and intuitive navigation to cater to mobile-specific user behaviors, such as swiping, tapping, and scrolling. Mobile app design also considers the limitations of mobile devices, like smaller processing power and screen size, ensuring the interface is lightweight and responsive. On the other hand, web app design encompasses a broader range of devices, including desktops, tablets, and smartphones. It needs to account for varying screen sizes, input methods (such as a mouse, keyboard, or touch), and device capabilities. This means web app designers often prioritize responsive design techniques, creating interfaces that adapt seamlessly to different screen sizes. Additionally, web apps may rely more heavily on browser interactions and require considerations for cross-browser compatibility and performance. In essence, while mobile app design is more narrowly focused, web app design demands flexibility to accommodate diverse user environments.

05

What is web app UI design?

Web app UI design is the process of creating the visual and interactive elements of a web application to ensure it is both functional and appealing to users. This involves designing layouts, typography, color schemes, buttons, and other interface components that make up the user experience. The goal is to create an intuitive design where users can easily navigate and interact with the application without confusion. A well-designed UI not only focuses on aesthetics but also prioritizes usability, accessibility, and responsiveness to provide a seamless experience across different devices and screen sizes. Ultimately, great web app UI design enhances user satisfaction and supports the app’s overall functionality.

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Have a project to
discuss?
Kseniia Shalia
Account Executive
Have a partnership in
mind?
Polina Chebanova
Co-Founder