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Flutter mobile app development

Conceptual illustration of two smartphones with an abstract mobile interface and a paper wireframe.

Zephyrus Services

Flutter mobile app development

Android and iOS apps built around your product, with a shared Flutter codebase and platform-specific work where it matters.

A mobile app earns its place on a phone by making a task easier. We develop Flutter applications around that task: what someone needs to do, the information they need and the conditions in which they will use the app.

One product, two mobile platforms

Flutter provides a shared foundation for Android and iOS. We define the reusable parts and identify platform-specific permissions, integrations and interface behaviour early. A shared codebase still needs testing on the devices and operating systems your audience uses.

From the first screen to the backend

The scope can cover account access, API integration, notifications, forms, local storage and synchronisation. We make loading, empty, error and offline states part of the design. When a backend is required, its responsibilities and operating costs are planned alongside the app.

A release that can be maintained

We organise the work into reviewable stages: requirements, key screens, implementation, testing and release preparation. Store accounts, privacy information, permissions and signing requirements are addressed before submission. Store approval remains the decision of the platform.

Capidock is a Zephyrus product built with Flutter. Explore Capidock to see its mobile interface and current features.

Start with the problem and the audience

Tell us who will use the app, its essential workflows, any existing systems and the platforms you need. We use that information to define scope, milestones and acceptance criteria. Ownership, handover, third-party costs and ongoing maintenance are set out in the proposal.

Discuss your project

  • Android and iOS with Flutter
  • Interface design around real user journeys
  • API, authentication and notification integrations
  • Offline behaviour defined for each workflow
  • Device testing and release preparation
  • Documented handover and maintenance options