Onixs

Services/App Development

Integrated Web & Mobile Development

App Development

Cross-platform apps with reliable auth, offline-aware UX where it matters, and clean APIs into your existing systems. One product team for web and mobile — not two vendors.

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At a glance

iOS, Android, and Progressive Web Apps wired into enterprise backends.

  • One roadmap for web and mobile
  • Stable releases instead of endless hotfix cycles
  • UX that feels native without burning two full native teams

What this service actually covers

We ship iOS, Android, and Progressive Web Apps from one product plan — not three disconnected codebases. Auth, offline-aware flows, push, and deep links are wired to backends we either build or integrate cleanly. You get app-store-ready builds with a release process your team can repeat after launch.

Ideal for

  • Products that need presence beyond the browser
  • Teams consolidating separate native vendors into one studio
  • Businesses extending an existing web product into mobile

Deliverables you can hold us to

01

iOS, Android, and Progressive Web Apps from one product plan

02

Offline-first flows and real-time sync where it matters

03

Push notifications and deep links wired to your backend

04

App store–ready builds with a clear release process

05

Auth, roles, and secure API integration

06

Analytics and crash monitoring from first release

React Native / ExpoPWAFirebaseTyped APIsPush / FCMApp Store & Play

A clear path from brief to results

  1. 01

    Product map

    Define must-have flows, platforms, and backend dependencies before a line of UI ships.

  2. 02

    Prototype

    Clickable flows for core journeys so stakeholders align early.

  3. 03

    Build & integrate

    Cross-platform client, API contracts, push, and store pipelines.

  4. 04

    Ship & support

    Store submission, monitoring, and iteration based on real usage.

Questions about App Development

We default to cross-platform when it protects speed and budget without hurting UX. When a flow truly needs native, we call it out — not as a surprise mid-build.

Ready when you are

Ready to start App Development?

Share your goals and constraints. We will map a clear scope and next step. London studio · remote-ready · one accountable team.

Email admin@onixs.ai