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App Design Services

Apps UsersLove to Use

Product design that turns complex workflows into intuitive experiences — driving higher retention, better reviews, and measurable conversion lifts.

250+
Apps Designed
+38%
Avg. CVR Lift
iOS · Android · Web
Platforms
99%
Satisfaction

UX First

Flows designed to reduce friction, increase task completion, and keep users coming back.

Design Systems

Scalable component libraries that accelerate development velocity and enforce visual consistency.

Pixel-Perfect

Production-ready visuals with precise specs, assets, and handoff documentation for developers.

What We Deliver

Capabilities Built for Results

End-to-end execution from strategy to delivery — senior experts aligned to your outcomes.

01

UI/UX Design

User-centered product design that is intuitive, accessible, and optimized for conversion from the first click.

Key Deliverables

  • User research and persona development
  • Information architecture (IA)
  • Wireframes and interactive prototypes
  • Usability testing and iteration
  • Accessibility (WCAG 2.1 AA)
  • Design critique and QA review
02

Mobile App Design

Native and cross-platform UI patterns engineered for platform conventions, performance, and visual clarity.

Key Deliverables

  • iOS Human Interface Guidelines compliance
  • Android Material Design 3
  • React Native and Flutter UI
  • Gesture and micro-interaction design
  • Onboarding and activation flows
  • Push notification design strategy
03

SaaS & Dashboard Design

Complex data products made simple — dashboards, admin tools, and B2B platforms designed for power users.

Key Deliverables

  • Data visualization and charting
  • Complex form and workflow design
  • Role-based UI and permissions
  • Admin panel and settings design
  • Empty state and error design
  • Command palette and power user UX
04

Design Systems

Comprehensive component libraries that align product and engineering teams and accelerate every sprint.

Key Deliverables

  • Figma design token architecture
  • Component library with variants
  • Dark mode and theme support
  • Documentation and usage guidelines
  • Storybook integration support
  • Design-to-dev handoff workflow

Proven Outcomes

Results That Speak for Themselves

+38%
Conversion Rate Lift

Average conversion rate improvement across apps redesigned by our UX team.

+52%
Retention Improvement

Average 30-day retention lift after UX overhaul and onboarding redesign.

4.8★
Average App Store Rating

Average App Store / Play Store rating for apps designed by Thorium after launch.

Why Thorium

The Thorium
Difference

A senior, outcomes-driven team with a track record of category-defining work for ambitious organizations.

Research-Led Design

Every design decision backed by user research, not assumptions.

Fast Iteration

Rapid design sprints with Figma prototypes you can test with users in days.

Dev-Ready Handoff

Precise specs, assets, and Figma libraries that developers can build from immediately.

Accessibility by Default

WCAG 2.1 AA compliance built into every component from the start.

Cross-Functional

Our designers speak engineering and product — no translation needed.

Multi-Platform

iOS, Android, Web, and desktop — one cohesive design language everywhere.

How It Works

Our Proven Process

Transparent milestones, fast feedback loops, and measurable success at every stage.

Phase 1

Discovery

User research, competitive audit, and experience mapping for your key flows.

Phase 2

Wireframes

Low-fidelity wireframes to validate structure and flows before visual design.

Phase 3

Visual Design

High-fidelity screens with full design system and interactive prototype.

Phase 4

Handoff & Support

Developer handoff with specs, assets, and design QA during build.

“Thorium transformed how we think about our digital presence. The results exceeded every expectation — our ROI was visible within 60 days.”

— Client, Washington DC

Common Questions

Frequently Asked Questions

Serving Washington, DC

Looking for this service in Washington, DC specifically?

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Ready to Build a Product Users Love?

Great product design pays for itself in retention, reviews, and referrals. Let's talk about your app and how we can make it exceptional.

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