UX/UI Design
Services for Mobile
Apps in Canada
Great mobile apps aren’t designed by accident. Our UX/UI design services help you turn ideas into intuitive, high-fidelity mobile app experiences, before a single line of code is written.
Based in Montreal and serving clients across North America, our UX/UI experts combine strategy, research, and mobile-first design to help you build products users actually want to use.
Trusted by Organizations
Lack of Early Clarity
Projects start without alignment between stakeholders, users, and developers, leading to costly rework later.
Designs That Miss the Mark
Interfaces that don’t reflect your brand or your users’ expectations struggle to gain adoption.
Usability Issues Found Too Late
Without early testing, friction points surface only after development, when they’re expensive to fix.
Inefficient Design-to-Dev Handoff
Unclear specs and assets slow down development and introduce inconsistencies.
Generalist Designers, Not Mobile Experts
Web and mobile UX follow different rules; non-specialists often overlook platform-specific patterns.
At Sidekick, our UX/UI experts address these challenges early, so your mobile app is designed right the first time.
Our Services
Our UX/UI Design Service for Mobile Apps
Mobile-First UX/UI Design
Co-Creation Workshops
We align business goals, brand identity, and user expectations before any screen is designed.
UX Research & Strategy
User interviews and competitive analysis ground every design decision in real user needs.
Wireframing
& Interactive Prototyping
High-fidelity, clickable prototypes let you test navigation and flow before development starts.
Visual UI & Design Systems
Reusable components, typography, and iconography that scale with your product.
Usability Testing & Feedback Loops
Prototypes tested with real users to refine UX flows early.
Design-to-Development Handoff
Developer-ready specs and assets for a smooth transition into build.
Why UX/UI Design Matters
Reduces Cognitive Load
Effective design reduces cognitive load, streamlines navigation, and drives engagement.
Enhanced Feedback
Microinteractions and motion design enhance feedback and emotional connection.
Improves Retention
User retention and conversion improve significantly when the design is intuitive and feedback-rich. For mobile apps, this often determines whether users stay past the first session.
Rapid Collaboration
Today’s UX tools (like Figma, InVision) support rapid collaboration and feedback loops.
Our UX/UI Design Process for Mobile Apps
Strategy & Ideation
Conceptual UX Design
Visual UI Design & Branding
Clickable Prototype Creation
User Testing & Feedback Loop
Design System & Documentation
Handoff & Developer Collaboration
Kick off with brand alignment, user goals, and design thinking.
Aligned goals & scope
Design Tools We Use
Design Tools Our UX/UI Experts Use
Figma
FigJam
Adobe XD
InVsion
Maze
Zeplin
Selected Projects
Mobile apps we’ve built with our clients
Client testimonials
Why Clients Love Sidekick Interactive's Mobile App Design Services
“We have created with Sidekick’s team a prototype of our mobile application integrating our expectations in terms of UX and UI. It’s amazing to be able to navigate your application without having it fully developed beforehand, and to be able to test and approve all of your choices before the development stage.”
Mathieu Rozon — Aerial (Venture round funded Startup)
“The prototype we co-created was a great help in making sure our project was going in the right direction. This interactive tool also allowed us to raise funds more easily because we could present the application to investors, who could take it in hand and test it directly with the prototype.”
Colby Oitment — MedTech Startup supported by McMaster University
Frequently Asked Questions
What does a UX/UI design company do?
A UX/UI design company researches your users, structures the experience, and designs the visual interface of your product, from early wireframes to a fully designed, developer-ready prototype.
Why prototype before coding?
It reduces miscommunication, aligns stakeholders, and reveals technical challenges early.
How do you integrate branding into UX/UI?
Our designers translate brand values into UI language, colors, iconography, and interaction style.
What tools do you use?
Industry-leading design tools: Figma for collaboration, version control, and prototyping. Industry-leading design tools: Figma for collaboration, version control, and prototyping.
Do you build a design system?
Yes. A reusable style/component library for consistency and efficient handoff.
Can we test prototypes with real users?
Absolutely. User feedback is integral for refining navigation, flow, and usability early.
How does this improve ROI?
Reduces design/development iterations, catches usability issues early, boosts retention and conversion.
How much do UX/UI design services cost?
Cost depends on the number of screens, flows, and whether a full design system is needed. A focused prototype project can start in the low five figures, while a complete design system for a larger product typically runs higher. We provide a clear estimate after understanding your goals and scope.
How long does a mobile app design project take?
Most design engagements take between 4 and 8 weeks, from strategy and wireframes through to a developer-ready prototype and design system. Timelines depend on the number of screens and flows involved.
Do you provide UX/UI design services for existing apps (redesign)?
Yes. We audit your existing app, identify usability gaps, and redesign the flows and interface while preserving what already works for your users.
Why can't I ask a web designer to design my app?
Web and mobile design follow different rules. Mobile apps need native UX, touch interactions, and platform-specific guidelines. A mobile app designer ensures your app feels intuitive, fast, and built for users on the go, not just good-looking.
What makes Sidekick Interactive's UX/UI experts different?
Our team focuses exclusively on mobile app design, combining co-creation workshops, real user testing, and developer-ready handoff, so your product is designed to be built, not just to look good in a portfolio.
Why is Sidekick Interactive a Canadian leader in Mobile App Design?
With 10+ years of experience designing native apps for major industries, Sidekick Interactive combines creative design, UX expertise, and technical precision. Our in-house team delivers mobile experiences that are beautiful, intuitive, and built to last.