Skip to content
CrownCode
CrownCode
Book a free 20-min call

Build — Apps

Cross-Platform App Development

Not sure between Flutter, React Native or native? We pick the stack that fits your product, team and budget, then build it.

Cross-Platform App Development by CrownCode

The problem

Every agency recommends whatever stack they happen to know. You end up with a tech choice made for their convenience, not your product.

What we do

We know Flutter, React Native and native, so we can be honest about which one fits.

  • A short written comparison for your specific app
  • One codebase for iOS and Android in most cases
  • Native escape hatches planned up front, not discovered in month four

Who it’s for

  • Startups that need iOS and Android on one budget
  • Companies with an existing web team who want mobile too
  • Products that must look identical on every platform

Why CrownCode

We pick the right cross-platform tool for your team (Flutter or React Native) rather than forcing one, and we plan for native modules from day one.

How we deliver

From first call to launch.

  1. 01

    Discover

    A free call to understand goals, users and constraints.

  2. 02

    Demo & scope

    A working demo in 48 hours, then a written scope and fixed price.

  3. 03

    Build

    Weekly releases you can click through. No black boxes.

  4. 04

    Launch & grow

    Go live, monitor, iterate — or a clean handover.

Proof

Related work

Placeholder App

United Kingdom · 2026

Example Project: Clinic Booking App

Placeholder case study: a Flutter booking app for a UK clinic. Replace with a real project.

FlutterFirebaseNode.js

FAQ

Cross-Platform App Development: questions

How does a project with you work?

Placeholder answer (partners to confirm). Discovery call, written scope and estimate, then short sprints with a demo at the end of each. You see working software early and often.

How do you price projects?

Placeholder answer (partners to confirm). Fixed scope, monthly retainer, dedicated team or hourly. We recommend one after the discovery call.

You're in India. How do time zones work with UK, US and EU teams?

Placeholder answer (partners to confirm). We keep a daily overlap window with your working hours for calls and async updates the rest of the day.

Keep exploring

Related services

Free 20-minute call

Got an idea? See it working in 48 hours.

Book a free 20-min call. We'll understand what you need and send a basic demo within 48 hours.