UI/UX Design · Aranjuez, Madrid

We design the screens people use every day.

Royal Star Design is a UI/UX studio near Madrid. We do user research, interface design, prototyping, and design systems for web apps, mobile apps, and SaaS products. Four designers, one shared obsession with making things usable.

85+Apps designed
97%Client satisfaction
4Senior designers
Design
✦ Figma-native workflow
Design services

Five services. All rooted in understanding users before drawing pixels.

🔬

UX Research & Audit

Understanding your users before designing anything. Interviews, surveys, usability testing, heuristic audits, and competitive analysis. The stuff that makes everything else work.

from €118,70Details
🎨

UI Design

The visual layer. Turning wireframes and requirements into polished, pixel-perfect interfaces that look great and feel right. Responsive, accessible, consistent.

from €147,70Details
📱

Mobile App Design

iOS and Android app design. We follow platform guidelines while making your app distinctive. Gestures, navigation patterns, and native feel.

from €168,70Details
🧩

Design System Creation

A living library of components, tokens, and guidelines that keeps your product consistent as it grows. Buttons, forms, cards, modals, everything documented.

from €154,70Details
🧪

Prototype & User Testing

Interactive prototypes that look and feel like the real product. Then we put them in front of real users and watch what happens. Findings shape the final design.

from €124,70Details
Process

How we work.

01

Research

Understanding users, business goals, and constraints before touching design tools.

02

Define

User flows, information architecture, and wireframes that map out the entire experience.

03

Design

High-fidelity UI design. Every screen, every state, every breakpoint.

04

Test

Prototype testing with real users. Finding and fixing problems before development.

05

Handoff

Clean Figma files, specs, and documentation that developers can actually use.

Clients

What our clients say.

"Royal Star completely rebuilt our app experience. The onboarding flow they designed increased our completion rate from 34% to 78%. They tested it with real users and iterated based on actual data, not opinions."
Carlos R.
CEO, FinPay
"The hospital staff genuinely thank us for the new portal. Nurses say it cut their paperwork time in half. Royal Star understood the healthcare context and designed for people who are usually too busy to learn new software."
Dr. Ana M.
IT Director, MedPortal
"They delivered a design system that our product team has been using for over a year without it breaking down. Components, documentation, everything. Our developers love working with their Figma files."
Lucia P.
Head of Product, DataLens
"The mobile app design was exactly what we needed. They followed iOS and Android guidelines but made it look like our brand. The App Store screenshots they designed got us featured in the first week."
Javier S.
Founder, Ropa & Co

Got a product that needs design?

We would love to hear about it. Tell us what you need and we will get back to you within one business day.

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Online · Aranjuez

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