App Development Agency

From idea to impact. Build apps that users love and businesses grow with.

  • iOS, Android & Hybrid Apps

    We design and develop mobile apps that scale, engage, and perform across all platforms.

  • From Prototype to Launch

    We handle strategy, UX, development, testing, and deployment — all in-house.

At JAS Digital, we build mobile apps that don’t just work, they win users. Whether you’re a startup launching your first MVP or an enterprise scaling a hybrid app ecosystem, our team blends UX design, cross-platform development, and data integration to deliver outstanding results.

We focus on real outcomes. Acquisition, retention, and ROI with clean, maintainable code and seamless integrations into your CRM, API, or backend systems. Every project begins with strategy and ends with measurable growth.

Our hybrid development approach allows faster builds and easier scaling, giving you flexibility without compromising performance.

Let’s Build Your App

> Start your app strategy session

> Get a development quote for your idea

> Explore hybrid app development options

Book a Discovery Call

Our App Development Expertise

  • iOS Development

    Swift and SwiftUI app builds for Apple devices, optimised for performance and UX.

  • Android Development

    Native Kotlin or hybrid frameworks to ensure scalability and cross-device support.

  • Hybrid App Development

    Build once, deploy everywhere with React Native or Flutter — cost-effective and agile.

  • API & Backend Integration

    Seamless connections with CRMs, ERPs, or cloud data systems.

  • UI/UX & Prototyping

    Conversion-focused design that delights users and strengthens brand connection.

  • Ongoing Optimisation & Support

    Post-launch updates, analytics, and feature enhancements to keep your app thriving.

Our App Development Process

  • 1

    Discovery & Strategy

    Define your goals, audience, and product vision.

    ...

  • 2

    Design & Prototyping

    Visualise and validate your app before development begins.

    ...

  • 3

    Development & Integration

    Build a fast, scalable, and secure app with our expert developers.

    ...

  • 4

    Testing & Launch

    Quality assurance, deployment, and app store submission.

    ...

  • 5

    Growth & Optimisation

    Use analytics and user data to evolve your app post-launch.

    ...

  • Frameworks & Tools

    React Native, Flutter, Swift, Kotlin, Node.js, Laravel, AWS Amplify, Firebase.

  • Analytics & Optimisation

    Google Analytics for Firebase, Mixpanel, AppCenter, A/B testing and UX heatmaps.

  • Deliverables

    Fully functional app, API integration, analytics, store setup, and post-launch support.

We help businesses launch apps that deliver real business value, not just downloads. Every build is data-backed, conversion-focused, and supported with a long-term growth plan.

From mobile commerce to field operations and customer engagement, our apps combine smart UX with strong backend systems for seamless performance.

Let’s make your app vision a success story. Book your free consultation and discover what’s possible.

App Development Packages

  • MVP App Build (£5,000–£8,000)

    Launch-ready minimum viable product with essential features and analytics.

  • Cross-Platform App (£9,000–£15,000)

    React Native or Flutter build for iOS & Android with full backend integration.

  • Enterprise App Solution (£20,000+)

    Custom app with API architecture, CRM integration, and multi-user functionality.

  • Ongoing App Support (£1,000–£2,500/mo)

    Continuous updates, analytics reviews, feature scaling, and OS maintenance.

Get Your App Development Proposal