Mobile apps
Established 2002
One UK team, all in-house
Mobile App Development
From an initial idea to an app people actually want to use, ExtraDigital designs, develops and supports mobile applications built around your users and your business.
- Discovery, UX and prototyping
- iOS, Android and cross‑platform
- Backend systems, APIs and integrations
- Launch, analytics and ongoing development
Business first
Mobile apps built around a business problem
A successful app starts with a clear reason to exist: a process to simplify, a customer to serve better, or a revenue stream to open up.
- Discovery and requirements
- UX and prototyping
- Interface design
- App and backend development
- APIs and integrations
- Testing and launch
- Analytics and continuous development
We support the whole journey, so strategy, design and engineering stay joined up rather than being handed between suppliers.

An honest starting point
Do you actually need an app?
We will not recommend building an app simply because it has been asked for. First we understand the objective, the users and how they will use it.
Then we decide whether a native app, a cross-platform app, a web application or a mobile website is the best commercial approach. Sometimes the right answer is not an app at all, and we will say so.
Have an app idea? Let's work out the best way to build it. Talk to us about your app
What we deliver
Everything an app needs to succeed
From the first prototype to updates after launch, designed, built and supported by one UK team.
- iOS and AndroidApps for both major platforms, built to each store's standards.
- Cross‑platformShared codebases where appropriate, reducing cost and time to market.
- App UX and prototypingClickable prototypes tested before development, so the right thing gets built.
- Backend systemsSecure, scalable backends and admin tools that power the app.
- APIs and integrationsConnect the app to your CRM, ecommerce, bookings or internal systems.
- AnalyticsMeasurement of usage, retention and conversion from day one.
- Ongoing developmentUpdates, OS compatibility, security and new features over time.
- Product thinkingExperience in UX, CRO and marketing helps the app get used, not just launched.
Our process
From idea to app store, and beyond
Each stage ends with something you can review, from a clickable prototype to a store‑ready build.
Ask how it would work for you01
Discovery
Objectives, users, requirements and the right technical approach.
02
UX and prototype
Journeys and clickable prototypes to validate the idea.
03
Design and build
Interface design, app and backend development in reviewable stages.
04
Launch and grow
Testing, store submission, analytics and continuous improvement.
Connected systems
Connecting your app to the rest of your business
The app is often the visible part of a bigger system. We design the backend and integrations so data flows between the app and the tools your team already uses.
Need your app to work with existing systems?
Tell us what you use today and we'll show you how it could connect.
Discuss your existing systems- CRM
- Payments
- Bookings
- Ecommerce
- User accounts
- Notifications
- Analytics
- Internal systems
How we build
Faster delivery without cutting corners
AI does not replace our developers. It helps them spend less time on repetitive work and more time on the decisions that matter: architecture, security, performance and the experience your users get.
Experienced developers
A UK team that has been building websites and systems since 2002, and stays accountable for the code.
Proven technologies
Established frameworks, platforms, APIs and components chosen first, so bespoke work goes where it adds value.
AI-assisted development
Modern tools that speed up routine work, testing and documentation, always reviewed by our developers.
Efficient, high-quality delivery
Shorter timescales and better value, with no compromise on quality, security or scalability.
Selected work
Web apps and online tools we have built
- Language School Platform
- Students
- Courses
- Bookings
- Payments
- Reporting
Now viewing
Bookings
Booking web app
Language school platform
One system for a language school's students, courses, bookings and payments, built around how it operates.
Bespoke platform · Bookings · Payments

Interactive floor plan
Bouverie House
Business centre site where visitors explore the offices on a floor plan, with prices and details.
WordPress · Branding · Floor plan

Online support service
Nafsii
Wellbeing support by text across the Middle East, with our technical development, marketing and content.
Arabic · Development · Marketing
Selected clients
Good to know
Frequently asked questions
Should we build a native app or a cross-platform app?
It depends on what the app needs to do. Cross-platform development is often the most cost-effective way to reach iOS and Android with one codebase. Native development can be the better choice where an app relies heavily on device features or demanding performance. We recommend an approach once we understand the requirement.
Do we definitely need an app?
Not always. Sometimes a web application or a well-built mobile website will meet the objective faster and at lower cost. We will tell you honestly which option makes most commercial sense.
Can the app connect to our existing systems?
Yes. We regularly build APIs and integrations that connect apps to CRMs, ecommerce platforms, booking systems, payment providers and internal databases.
Do you help with App Store and Google Play submission?
Yes. We prepare builds, handle the submission process and deal with any review feedback so the launch runs smoothly.
What happens after launch?
We offer ongoing support covering operating system updates, security, bug fixes and new features, guided by analytics and user feedback.
How much does an app cost?
Cost depends on scope, integrations and platforms. A short discovery phase lets us give you a realistic estimate, and often identifies a smaller first release that proves the idea before further investment.
Still have a question?
Start a conversation
Let's explore your app idea
- Google Premier Partner
- Microsoft Advertising Partner
- Since 2002 · 300+ clients











