React Native development in Kolkata

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React Native development

Mobile apps that map to genuine native components, written with the same skills as your web front end.

Cross-platform

Chosen per project

Maintainable handover

React Native’s strongest argument is organisational rather than technical: if your web application is built in React, the same developers can build and maintain the mobile app, and business logic can genuinely be shared between them.

It renders to real native components, so the app inherits each platform’s conventions by default — helpful when the app should feel like part of the operating system rather than a distinct brand world.

What we build with React Native

Companion apps to an existing React web application

Products where web and mobile share substantial business logic

Apps that should follow each platform’s native conventions

Teams already fluent in JavaScript and React

Where it fits — and where it does not

Good fit when

An existing React codebase and team

Shared validation and business logic across web and mobile

Standard interface patterns rather than heavy custom rendering

Over-the-air updates for JavaScript-only changes

Consider something else when

Graphics-intensive apps and games

Products needing pixel-identical rendering across both platforms

Teams with no JavaScript background

Shared versus platform

What is shared and what is not

The realistic split on a React Native project. Understanding it early prevents the common mistake of assuming a single codebase means no platform-specific work at all.

Shared across both platforms

Business logic and validation rules

API clients and data models

Most screen layouts and components

State management and navigation structure

Analytics and error reporting

Platform-specific

Push notification setup and permissions

Store submission, signing and review

Deep linking configuration

Some hardware and background behaviour

Platform interface conventions where they differ

How we work with React Native

Shared logic

Validation, types and API clients extracted into packages both web and mobile consume.

Navigation

A single navigation structure using the platform-standard patterns for each OS.

Native modules

Written where a capability has no maintained package, rather than forcing a poor fit.

Performance

List virtualisation and render profiling, which is where React Native apps most often struggle.

Our typical React Native setup

Typical React Native stack choices and what we use for each
ConcernWhat we use
FrameworkReact Native, or Expo where its managed workflow fits
LanguageTypeScript across the codebase
NavigationReact Navigation with platform-appropriate patterns
StateThe same approach as the web application where one exists
TestingJest with React Native Testing Library, plus device testing
ReleaseStore builds, with over-the-air updates for JavaScript changes

Frequently asked questions

Business logic, validation, types and API clients can genuinely be shared. Interface components mostly cannot, because React Native uses its own primitives rather than HTML elements.

For typical business and consumer applications, yes. Performance problems usually come from unvirtualised long lists and unnecessary re-renders rather than the framework itself.

A mechanism to ship JavaScript-only changes directly to installed apps without a store review. Native code changes still require a normal store release.

Topics people search for

Services built with React Native

Tell us what you are trying to build

Describe the problem in plain language and we will tell you what it would take to solve it — the approach, the moving parts and the sensible order to build them in. No obligation either way.

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