UI/UX Design Services

UI/UX Design Agency for
Mobile Apps, SaaS & Web

We design interfaces users love and businesses trust. Figma-first, developer-ready, conversion-optimised. Trusted by 60+ startups and scale-ups in the US & UK.

60+
Products Designed
2 wks
App UI Delivery
100%
Figma Assets Included
+40%
Avg Conversion Lift
Why Flutter Studio Design

Design Built for Real Users & Real Results

We don't just make things look good. Every design decision is rooted in user psychology, conversion principles and technical feasibility.

🎯

Conversion-First Thinking

Every screen we design has a goal. CTA placement, visual hierarchy, micro-interactions — all driven by conversion data and UX best practices, not just aesthetics.

📐

Developer-Ready Handoff

Figma files with named components, auto-layout, colour tokens and spacing variables. Developers build from our specs without daily questions. No design-to-dev friction.

📱

Flutter-Native Design

We design with Flutter's widget model in mind. Every component we create translates directly to a Flutter widget — faster development, fewer surprises at implementation.

Accessibility By Default

WCAG 2.1 AA compliance, minimum 4.5:1 contrast ratios, focus states, readable font sizes and proper label associations. We build for all users, not just the majority.

🔄

Fast Iteration Cycles

Weekly design reviews with interactive Figma prototypes you can click through on your phone. Feedback is incorporated within 48 hours. You're always one step ahead of development.

🌍

US & UK Market Expertise

We've designed products for US and UK users across fintech, health tech, e-commerce and SaaS. We understand what Western users expect — what patterns feel native vs foreign.

What We Design

UI/UX Design Services We Offer

From a quick UX audit to a full end-to-end design system — we cover every design need digital products have.

📱 Mobile App UI/UX Design

Complete UI/UX for iOS and Android (Flutter or React Native). User flows, wireframes, high-fidelity screens, interactive prototype and developer-ready Figma file. From $2,500.

💻 Web App & SaaS Dashboard Design

Complex SaaS UI — data tables, multi-step forms, analytics dashboards and admin panels. We specialise in making dense information scannable and actions obvious. From $3,500.

🔍 UX Audit & Usability Review

We review your existing product against 40+ UX heuristics and produce a prioritised report of what's hurting conversions and retention. With annotated screenshots. From $800.

🎨 Design System & Component Library

A shared Figma component library your whole team uses — consistent buttons, forms, cards, modals and typography across every product surface. Scales as you grow. From $6,000.

🧪 Prototype & User Testing

Interactive Figma prototypes and moderated usability testing sessions. We recruit users matching your target persona, run sessions and report findings with design recommendations.

🏷️ Brand Identity & Visual Design

Logo, colour palette, typography, icon style and brand guidelines. We create visual identities that look intentional and professional across mobile, web and marketing materials.

Design Tools

Tools We Work With

Industry-standard tools with seamless developer handoff and version control.

Design & Prototyping

Figma FigJam Adobe Illustrator Lottie / Rive Zeplin

UX Research & Testing

Maze Hotjar UserZoom Google Analytics 4 Microsoft Clarity

Collaboration & Handoff

Notion Slack GitHub Jira Loom
Transparent Pricing

UI/UX Design Pricing

Fixed-price packages for every design need. You know the cost before we start — always.

UX Audit

$800
Existing product review
  • 40-point heuristic evaluation
  • Annotated screenshots of issues
  • Prioritised fixes (critical / medium)
  • Competitor benchmarking
  • Conversion improvement roadmap
  • Delivered in 3–5 days
Get Your Audit

Design System

$6,000+
Full component library
  • 50+ Figma components
  • Colour tokens & typography scale
  • Flutter-compatible component spec
  • Dark mode variants
  • Usage guidelines & documentation
  • Ongoing update support (3 months)
  • 4–6 week delivery
Get a Quote

Need something different? Tell us what you need →

Our Process

How We Design Your Product

A research-led, collaborative process that produces designs users understand and products that convert.

1

Discovery

Understand your users, business goals and competitive landscape. User personas, jobs-to-be-done and success metrics agreed upfront.

2

Architecture

Define information architecture, user flows and screen inventory. Every screen is planned before any visual work begins.

3

Wireframes

Low-fidelity wireframes in FigJam to validate layout and content hierarchy before investing in visual design. Fast to change at this stage.

4

Visual Design

High-fidelity Figma screens with your brand, custom components and motion design. Weekly reviews with interactive prototypes you can test on device.

5

Prototype & Test

Interactive prototype shared with real users via Maze or moderated sessions. Key insight findings feed back into final design revisions.

6

Developer Handoff

Annotated Figma file, exported assets at all densities, style guide and video walkthrough. Developers have everything — ambiguity eliminated.

Design Principles

What Separates Our Design from the Rest

These non-negotiables are applied to every project, regardless of budget.

📊

Information Hierarchy

Users see what matters most. Visual weight, size and contrast guide attention deliberately — never accidentally.

Perceived Performance

Skeleton screens, optimistic UI and micro-animations make your app feel instant even when the network is slow.

🖱️

Interaction Feedback

Every tap, click and form submission has a clear response. Users always know what happened and what comes next.

🌙

Dark Mode Ready

Every project includes both light and dark mode designs, using semantic colour tokens that flip seamlessly.

Who We Design For

Trusted by Startups & Scale-ups Across Industries

From seed-stage apps to enterprise SaaS — we've designed products users love across every major vertical.

🚀

SaaS & Startups

Onboarding flows, feature dashboards, subscription UX and growth-focused product design.

📱

Mobile Apps

Flutter, React Native and native iOS/Android — pixel-perfect UI with platform-native patterns.

🛒

E-Commerce & Retail

Product listing UX, checkout flow optimisation, cart abandonment reduction and mobile shopping design.

💰

FinTech

Trading dashboards, wallet UX, financial data visualization and WCAG-compliant interfaces for regulated products.

🏥

HealthTech

Patient portals, telemedicine interfaces, appointment booking and accessibility-first medical app design.

🎓

EdTech & Learning

LMS platforms, course builders, student dashboards and engaging learning interfaces that reduce drop-off.

FAQ

UI/UX Design FAQs

How much does UI/UX design cost?

A UX audit starts at $800. A full mobile app UI/UX (8–15 screens) runs $2,500–$4,500. A complete design system starts at $6,000. All projects are fixed-price — you know the cost before we start and it doesn't change unless scope changes.

What is the difference between UI and UX design?

UX (User Experience) is the strategy — user research, information architecture, user flows and wireframes that determine what the product does and how users move through it. UI (User Interface) is the execution — visual design, colour, typography, components and interactions that make it look and feel polished. Great products need both, which is why we always do UX before UI.

Do you specialise in Flutter app design?

Yes — and it's why Flutter Studio clients get a better outcome than working with a generic design agency. Our designers know Flutter's widget model, Material Design 3 patterns and Cupertino guidelines. Design-to-dev translation is seamless because designer and developer speak the same language.

What do I receive in the design handoff?

The full Figma file with all screens, components and an interactive prototype. A style guide covering colours, typography and spacing. An icon set. Exported assets (SVG and PNG @1x, @2x, @3x). Annotated redlines and a video walkthrough explaining every design decision. Everything developers need — nothing missing.

How long does UI/UX design take?

A UX audit takes 3–5 days. A complete mobile app design (8–15 screens) takes 2–3 weeks. A full design system takes 4–6 weeks. Timeline is driven by feedback speed — we typically present weekly and incorporate changes within 48 hours.

Can you design for both iOS and Android from one set of designs?

Yes. We design adaptive UI that respects both Material Design 3 (Android) and Cupertino (iOS) conventions — one Figma file with platform-specific components clearly labelled. For Flutter apps, a single well-considered design set works beautifully on both platforms with minimal adjustments.

Can you redesign our existing app?

Yes. We start with a UX audit to identify what's hurting conversions — then create a redesign proposal before touching a single screen. Our redesigns typically yield 30–60% conversion lifts. We don't change things for aesthetic reasons; every change is backed by data and UX research.

Do you provide motion design and micro-animations?

Yes. Micro-interactions — button press states, loading animations, transition effects and haptic feedback cues — are included in our standard design delivery using Lottie or Rive files where applicable. Motion design is documented in the Figma prototype so developers know exactly how each animation should behave.

How do I know if my app's UX is hurting conversions?

Common signals: users drop off at a specific screen, support tickets reference confusion about a feature, your onboarding completion rate is below 40%, or your app store rating mentions navigation issues. Our UX audit (from $800) maps these problems precisely with heatmaps, session recordings and heuristic analysis — and gives you a prioritised fix list.

Do you do user research?

Yes, for larger engagements. We conduct competitor benchmarking, user persona development, user story mapping and moderated usability tests using interactive Figma prototypes via Maze. Evidence-based design means fewer iterations post-launch and higher product-market fit from day one.

Ready to Elevate Your Product's UX?

Get a free 30-minute design consultation. We'll tell you exactly what's holding your product back.

Get a Free Consultation