Mobile App Developer UK — iOS & Android Apps Built to Perform
We design and build high-performance iOS and Android mobile apps for UK businesses — from MVPs and startup launches to enterprise-grade applications, built with React Native, Flutter, and native technologies.
What We Build
Everything We Build in Mobile App Development
From concept to App Store — our mobile development team covers every aspect of building, launching, and growing successful iOS and Android applications.
Native iOS App Development
We build polished, high-performance iOS apps using Swift and SwiftUI — fully optimised for iPhone and iPad, meeting all Apple HIG guidelines and App Store submission requirements.
Native Android App Development
We develop powerful Android applications using Kotlin and Jetpack Compose — delivering smooth, Material Design-compliant experiences across the full Android device ecosystem.
React Native Cross-Platform Apps
We build one codebase that runs natively on both iOS and Android using React Native — dramatically reducing development cost and time-to-market without sacrificing performance or UX.
Flutter Cross-Platform Apps
We use Flutter to build beautiful, high-fidelity cross-platform apps with pixel-perfect UIs — perfect for startups and businesses that need both platforms delivered simultaneously.
Mobile eCommerce Apps
We build feature-rich mobile shopping apps with product catalogues, in-app payments via Stripe or Apple/Google Pay, order tracking, push notifications, and loyalty programmes.
Mobile App Backend Development
We design and build the secure, scalable backend APIs that power your mobile app — using Node.js, Laravel, or .NET — with REST or GraphQL APIs, authentication, and real-time sync.
App Redesign & Modernisation
We rebuild outdated mobile apps with modern architecture, improved performance, and refreshed UX — fixing technical debt, updating deprecated APIs, and resubmitting to app stores.
MVP App Development
We specialise in rapid MVP development for startups — launching your core product to market quickly and cost-effectively so you can validate your idea, attract investors, and iterate fast.
App Store Submission & Optimisation
We handle the entire App Store and Google Play submission process — including ASO (App Store Optimisation), screenshots, metadata, compliance reviews, and rejection resolution.
Why Mobile Apps
Why Your Business Needs a Mobile App in 2025
With over 60% of UK internet traffic coming from mobile devices, a dedicated mobile app is no longer a luxury — it's a competitive necessity for businesses serious about growth.
Direct Customer Channel
A mobile app puts your brand directly in your customers' pockets. Push notifications, in-app messaging, and home screen presence keep your business top of mind 24/7.
Superior User Experience
Native and cross-platform apps deliver significantly faster, smoother experiences than mobile websites — reducing friction and dramatically improving conversion rates.
Increased Customer Loyalty
Apps with loyalty programmes, personalised content, and seamless repeat purchase flows drive up to 3x higher customer lifetime value compared to mobile web equivalents.
Offline Functionality
Unlike websites, mobile apps can work offline — allowing users to access content, complete tasks, and sync data when connectivity is restored, for a seamless experience anywhere.
Enhanced Security
Apps leverage device-level security features — biometric authentication, secure enclave storage, and certificate pinning — providing stronger protection than web alternatives.
Native Device Integration
Mobile apps access camera, GPS, accelerometer, contacts, NFC, and Bluetooth — enabling experiences and features that simply aren't possible in a web browser.
Choose Your Platform
Which App Platform is Right for You?
Not sure whether to go native iOS/Android, React Native, or Flutter? Here's our honest breakdown to help you choose the right approach for your project and budget.
- iOS & Android from one codebase
- ~70% cost saving vs dual native
- Near-native performance
- Large open-source ecosystem
- Backed by Meta — long-term support
- Best for: SaaS, eCommerce, MVPs
- iOS, Android & Web from one codebase
- Consistent pixel-perfect UI
- Excellent animation performance
- Backed by Google
- Growing rapidly in enterprise
- Best for: design-led, UI-heavy apps
- Maximum performance & reliability
- Full access to device APIs
- Swift / Kotlin for each platform
- Best App Store ratings potential
- Higher cost — two codebases
- Best for: games, AR/VR, FinTech
Industries & Use Cases
What UK Businesses Build with Mobile Apps
We've built mobile apps across every industry. Whatever your sector, we have the experience to deliver an app that performs and grows your business.
Retail & eCommerce
Mobile shopping apps with product discovery, in-app payments, order tracking, and loyalty programmes.
HealthTech
Patient-facing health apps, symptom trackers, appointment booking, and telemedicine platforms.
FinTech
Digital wallets, expense trackers, investment dashboards, and banking apps with biometric security.
Logistics & Delivery
Driver apps, parcel tracking, route optimisation, and real-time delivery status for customers.
EdTech
Mobile learning apps, quiz platforms, course delivery, and progress tracking for students.
Fitness & Wellness
Workout tracking apps, personal trainer platforms, nutrition logging, and wearables integration.
Food & Hospitality
Food ordering apps, table booking systems, restaurant loyalty cards, and kitchen management tools.
Property & Real Estate
Property search apps, virtual tours, mortgage calculators, and landlord-tenant management platforms.
How We Work
Our Mobile App Development Process
A battle-tested, transparent development process that takes your app from idea to App Store — on time, on budget, and built the right way.
Discovery & Strategy
We define your app's goals, target users, core features, tech stack, and go-to-market strategy — producing a detailed project scope and timeline.
UX & UI Design
We create wireframes, user flows, and high-fidelity UI designs for your approval — ensuring the app is intuitive, beautiful, and aligned with platform guidelines.
Agile Development
We build in two-week sprints with working demos at each checkpoint — so you see real progress and provide feedback throughout the build.
QA & Device Testing
Rigorous testing across real iOS and Android devices, screen sizes, and OS versions — including performance testing, security audits, and user acceptance testing.
Launch & Growth
We handle App Store and Play Store submission, monitor your launch, and provide post-launch support — plus ongoing development to grow your app after launch.
Transparent Pricing
Mobile App Development Pricing UK
No hidden fees. No lock-in contracts. Clear, fixed-price packages for UK businesses ready to launch their mobile app.
- React Native (iOS + Android)
- Up to 5 Core Screens
- User Authentication
- REST API Integration
- App Store Submission
- 30 Days Post-Launch Support
- React Native or Flutter
- Up to 15 Screens + Custom UI
- In-App Payments (Stripe / Apple Pay)
- Push Notifications & Analytics
- Backend API Development Included
- 60 Days Dedicated Support
- Native iOS & Android or Flutter
- Unlimited Screens & Custom Features
- Offline Mode & Background Sync
- Advanced Security & Biometrics
- Dedicated Senior Mobile Architect
- 90 Days SLA-Backed Support
Why Choose Us
Why UK Businesses Choose Us for Mobile App Development
We're not a generalist agency. We're mobile specialists with deep cross-platform and native expertise, a proven process, and apps live in both stores.
Senior Mobile Developers
Our team hold 4–8 years of specialist mobile development experience across React Native, Flutter, Swift, and Kotlin — with apps live in both the App Store and Play Store.
UX & Design-Led Process
Great apps start with great UX. Our in-house designers create pixel-perfect interfaces that delight users and drive key metrics — retention, conversion, and engagement.
Security-First Development
Every app is built with security at its core — encrypted storage, certificate pinning, OWASP Mobile Top 10 compliance, and secure API communication as standard.
Performance Optimised
We profile and optimise every app we deliver — targeting 60fps animations, fast startup times, and minimal battery consumption across all supported devices.
App Store Expertise
We handle App Store and Play Store submissions, review responses, rejection resolutions, and ASO — ensuring your app gets approved quickly and ranks well.
Post-Launch Growth Partner
We don't disappear after launch. We offer ongoing sprint-based development to continuously improve your app based on user feedback and analytics data.
Technology Stack
Mobile App Technologies & Tools We Use
We work with the modern, battle-tested mobile development ecosystem to build your app right the first time.
FAQ
Frequently Asked Questions
Mobile app development in the UK starts from £800 for a lean MVP with core functionality. Production-grade apps with payments, push notifications, and a custom backend typically range from £1,400 to £5,000+. Enterprise-grade applications with complex features and native development start from £2,000 and are quoted on a bespoke basis. All our prices are fixed — no hourly billing surprises.
A lean MVP with core functionality can be delivered in 6–10 weeks. A full-featured production app typically takes 12–20 weeks. Complex enterprise applications with custom backends, offline sync, and advanced integrations may take 24–36 weeks. We provide a detailed delivery timeline during our free discovery call, and we always hit our deadlines.
Both are excellent cross-platform choices. React Native is generally our recommendation for apps that need a large ecosystem, tight web integration, or where your team already knows JavaScript/TypeScript. Flutter is ideal for design-heavy apps where pixel-perfect consistency across platforms is critical, and also supports Web and Desktop from one codebase. We'll give you an honest recommendation after understanding your specific requirements.
Yes — App Store and Google Play submission is included in all our packages. We prepare all required assets (screenshots, descriptions, metadata, privacy policies), handle the review process, respond to any reviewer questions, and resolve any rejection issues. We also optimise your app store listing for discoverability (ASO) as part of the launch process.
Absolutely — in fact, we recommend it. Our team builds both the mobile frontend and the backend API as a unified project, ensuring they're perfectly designed to work together. We typically build mobile backends using Node.js, Laravel, or .NET Core, deployed on AWS or Azure. Having a single team responsible for the full stack eliminates integration issues and significantly reduces project risk.
Every project includes 30–90 days of dedicated post-launch support covering bug fixes, performance monitoring, and OS update compatibility. We also offer ongoing sprint-based development retainers for continuous feature development, analytics monitoring, crash reporting management, and App Store update submissions. We're a long-term partner, not a one-off vendor.
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