Who this is for

You’re launching a new iOS application

Building a product or service for Apple devices.

You want a premium, high-quality mobile experience

Performance, usability and design are critical.

You need a scalable, long-term mobile solution

Supporting growth, updates and evolving features.

What we help solve

Practical problems we see on iOS programmes-and how we address them.

  • Poor user experience and app usability

    Apps feel clunky, confusing or inconsistent. We design intuitive, user-focused iOS interfaces and flows-seamless, engaging user experience.

  • Performance issues and instability

    Apps crash, lag or fail under real-world usage. We build optimised, native iOS applications-fast, reliable performance.

  • Difficulty integrating with backend systems

    Apps don’t connect effectively with APIs or data sources. We develop robust integrations with backend platforms-connected, functional mobile ecosystem.

  • Scaling challenges as usage grows

    Apps aren’t built to handle increasing demand or features. We design scalable mobile architecture and infrastructure-future-ready applications.

  • App store approval and compliance issues

    Submissions fail or are delayed due to requirements. We ensure apps meet Apple guidelines and standards-smooth deployment and approval process.

Why Tonic / why this approach

  • Native-first performance and qualityApps built specifically for iOS for optimal experience.
  • User-focused design and developmentBalancing usability, performance and business goals.
  • Integrated with backend and platformsApps connect seamlessly to your ecosystem.
  • Scalable and maintainable architectureDesigned for long-term growth and updates.
  • End-to-end deliveryFrom concept through to launch and ongoing support. Mobile applications are treated as fully integrated products, not isolated builds.

Core capabilities

  • Native iOS app development (Swift)

    Building high-performance applications for Apple devices.

  • Mobile UX and interface design

    Creating intuitive, user-friendly experiences.

  • API and backend integration

    Connecting apps to systems, data and services.

  • Performance and optimisation

    Ensuring speed, responsiveness and reliability.

  • App Store deployment and compliance

    Managing submission and approval processes.

  • Push notifications and real-time features

    Enhancing engagement and user interaction.

  • Security and data protection

    Implementing secure authentication and data handling.

  • Ongoing support and updates

    Maintaining and evolving applications over time.

Selected work

Representative outcomes-explore more in our work.

Mobile product development

Enterprise organisation-strategy, development, optimisation. Complex workflows and system integration addressed with a scalable iOS application supporting business operations.

View project

Built for real-world delivery

Apple ecosystem integration

iOS, iPadOS and Apple services.

Backend and API connectivity

Seamless integration with platforms and data.

Performance and reliability optimisation

Ensuring smooth operation under real usage.

Security and compliance

Aligned with Apple standards and data protection.

Scalability and feature evolution

Supporting growth and new capabilities.

Support and continuity

Ongoing updates and maintenance.

How we deliver

  1. Discovery and product definition

    We define goals, users and app functionality.

    Clear product direction; misaligned development reduced.

  2. UX and interface design

    We design intuitive user journeys and interactions.

    User-focused app experience; poor usability reduced.

  3. Architecture and development

    We build the iOS application and integrations.

    High-performance mobile app; technical issues reduced.

  4. Testing and validation

    We ensure stability, performance and compliance.

    Production-ready application; bugs and rejection reduced.

  5. Deployment and App Store submission

    We manage release and approval process.

    Live app in market; deployment delays reduced.

  6. Ongoing support and optimisation

    We maintain and enhance the app over time.

    Continuous improvement; app degradation reduced.

Get started

Looking to build an iOS app your users will actually want to use?

Talk to Tonic about Swift, App Store and integrations-we’ll help you stress-test product scope and compliance.

Talk to the teamView our work

FAQs

What language do you use for iOS development?

Primarily Swift for modern, high-performance applications.

Can you integrate with our existing systems?

Yes-API and backend integration is a core part of our approach.

Do you design the app as well as build it?

Yes-UX and UI design are included.

Can you help with App Store submission?

Yes-we manage the submission and approval process.

How do you ensure performance?

Through native development, optimisation and testing.

Do you provide ongoing support?

Yes-ongoing updates and improvements are included.