Mobile App Design Services for iOS and Android
Screens that feel natural on iOS and Android. Our mobile app design services turn your app idea, or your struggling app, into flows and screens people understand without instructions. We research your users, map the key tasks, design every screen for both platforms, and test the result with real people before a line of code is written.
Why app design needs its own expertise
Designing for a phone isn't the same as shrinking a website. Mobile users hold the device in one hand, get interrupted constantly, and judge an app within its first few screens. That shapes every decision:
- Thumb reach. Primary actions sit where a thumb can reach them comfortably.
- Short sessions. Tasks are broken into small steps that survive an interruption.
- Platform habits. iPhone and Android users expect different navigation patterns, gestures and controls.
- Small screens, big stakes. Every element has to earn its space, so there's no room for clutter.
- Permissions and trust. Asking for location or notifications at the wrong moment drives people away.
Good app design handles all of this so that the app simply feels easy.
What our mobile app design services include
User research
We learn who your users are, what they're trying to get done, and where they struggle today. That might involve interviews, a review of competitor apps, or analysis of reviews and support requests for an existing app.
User flows and information architecture
We map each key task step by step, from opening the app to finishing the job, and decide how the app's sections and navigation fit together.
Wireframes
Low-detail layouts for every main screen let us agree structure and priorities quickly before any visual polish.
UI design for iOS and Android
We design the final screens, following each platform's conventions where they matter. We draw on Apple's Human Interface Guidelines and Google's Material Design, while keeping your brand consistent across both.
Interactive prototypes
Clickable prototypes run on a real phone, so you and your users can feel how the app works before development begins.
Usability testing
We watch real people try key tasks in the prototype, note where they hesitate or get lost, and fix the design. Problems found at this stage cost far less to solve than after launch.
App design system
We document colours, type, spacing, components and their states, so developers build consistently and new features match the original design.
UX review of an existing app
If your app is already live but ratings are low or users drop off, we review it against usability principles and your analytics, then prioritise the fixes that matter most. Those fixes can then roll into ongoing app maintenance.
Accessibility built in
Accessible apps work better for everyone, including people with low vision, limited dexterity or temporary situations like bright sunlight. We use the Web Content Accessibility Guidelines (WCAG) 2.2 as a reference for mobile design, which in practice means:
| Area | What we design for |
|---|---|
| Touch targets | Buttons and controls large enough to tap accurately |
| Text | Readable sizes that respect the user's system text settings |
| Contrast | Text and icons that stand out from their backgrounds |
| Screen readers | Clear labels for every button, image and control |
| Motion | Animations that respect reduced-motion settings |
How an app design project runs
Discovery
Goals, users and success measures.
Research
Interviews, competitor review or existing app analysis.
Flows and wireframes
Key journeys mapped and laid out.
UI design
Final screens for iOS and Android.
Prototype and test
Usability sessions and design fixes.
Handoff
Design files, design system and annotations for developers.
Is this the right service for you?
| If you need… | Start with |
|---|---|
| App screens and user experience designed or improved | Mobile app design services (this page) |
| The full app built for iOS and Android | iOS and Android app development |
| A quick first version to test the idea | MVP development |
| A website rather than an app designed | Website design & UI/UX |
Frequently asked questions
Usually user research, user flows, wireframes, final UI design for iOS and Android, interactive prototypes, usability testing and a design system for developers.
UX design covers how the app works: the flows, structure and ease of completing tasks. UI design covers how it looks: layout, typography, colour, icons and interactive states. A good app needs both.
They share the same brand and core flows, but some details differ, such as navigation patterns, controls and system gestures. We design for both and adapt where each platform's users expect something different.
Yes. We start with a UX review of the live app, using usability principles, analytics and user feedback, then redesign the parts that cause the most friction.
Yes. Our iOS and Android app development team can build directly from the designs, or we can hand off to your own developers.
Timelines and pricing depend on scope, so contact us for an estimate. The number of screens and how much research and testing you need have the biggest effect.
Let's design your app
Tell us about the app, its users and what's working or not today. We'll come back with a clear next step.