Custom AppDevelopmentThat Drives Results
Transform your business ideas into powerful mobile and web applications. From concept to launch, we build apps that users love.
Apps for Every Platform
Whether you need native iOS, Android, cross-platform mobile apps, or progressive web applications, our expert developers deliver exceptional results.
iOS App Development
Native Swift and SwiftUI applications for iPhone and iPad with seamless Apple ecosystem integration.
- Swift & SwiftUI
- App Store Optimisation
- Apple Pay Integration
- Push Notifications
Android App Development
Kotlin and Java applications optimised for the full range of Android devices and tablets.
- Kotlin & Java
- Material Design 3
- Google Play Services
- Firebase Integration
Cross-Platform Apps
React Native and Flutter apps that work beautifully on both iOS and Android from a single codebase.
- React Native
- Flutter
- Single Codebase
- Native Performance
Web Applications
Progressive Web Apps and responsive web applications with app-like experiences in the browser.
- Progressive Web Apps
- React & Next.js
- Offline Support
- Responsive Design
Not sure which platform is right for your business? Our experts can help you decide.
How We Build Your App
Our proven development process ensures your app is delivered on time, on budget, and exceeds your expectations.
Discovery & Strategy
We analyse your business goals, target audience, and competition to create a comprehensive app strategy.
UI/UX Design
Our designers create beautiful, intuitive interfaces that delight users and align with your brand identity.
Agile Development
We build your app in iterative sprints, keeping you involved throughout with regular demos and feedback sessions.
Launch & Support
We handle app store submissions, monitor performance, and provide ongoing maintenance and updates.
Why Choose XL Marketing for App Development?
Our team of experienced developers, designers, and project managers work together to transform your vision into a high-quality, user-friendly application that drives real business results.
Technologies We Use
We also work with Node.js, Python, AWS, Firebase, and more based on project needs
App Development Packages
Choose the package that best fits your needs. All packages include project management, quality assurance testing, and app store submission.
Starter
Starting from
Perfect for MVPs and simple applications
- Single platform (iOS or Android)
- Up to 5 core screens
- Basic UI/UX design
- User authentication
- Push notifications
- 4-6 week delivery
- 3 months support
Professional
Starting from
Our most popular package for growing businesses
- iOS and Android apps
- Up to 15 screens
- Custom UI/UX design
- Backend API development
- Payment integration
- Analytics dashboard
- 8-12 week delivery
- 6 months support
Enterprise
Bespoke pricing
Complex applications with advanced features
- All platforms + web app
- Unlimited screens
- Premium UI/UX design
- Complex backend systems
- Third-party integrations
- Admin dashboard
- 12-20 week delivery
- 12 months support
- Dedicated account manager
What Our Clients Say
Don't just take our word for it - hear from businesses we've helped succeed
"XL Marketing transformed our business idea into a beautiful, functional app that our customers love. The team was professional, responsive, and delivered beyond our expectations."
David Thompson
CEO, FitTrack UK
"Working with XL Marketing was a fantastic experience. They understood our vision perfectly and created an app that has significantly increased our customer engagement."
Emma Richardson
Marketing Director, LocalDeals
"From the initial consultation to the final launch, XL Marketing were brilliant. They kept us informed at every stage and the finished app exceeded our expectations. Highly recommend!"
James Wilson
Founder, QuickServe
Your Customers Are On Mobile
Active Mobile App Users Right Now
6.3 Billion
Smartphone users worldwide
88%
Of mobile time in apps
230 Billion
App downloads per year
Don't miss out on the mobile revolution. We can bring your app idea to life.