Now booking new projects — 3 slots left this month. Check availability
Mobile App Development

React Native Development

One codebase. Two app stores. Shared logic with your web product.. Cartel Planet builds React Native apps for Indian startups and businesses: one JavaScript/TypeScript codebase that runs natively on Android and iOS, reuses logic from your React website, and ships to both stores. You get a fixed price in writing, a weekly demo on a live build, and full ownership of the code and store accounts.

Typical: ₹3,50,000 – ₹15,00,000Timeline: 8–20 weeks

Tell us what you need

We reply within one working day — with questions or a first scope.

No spam, no cold calls. A free scope even if you don't hire us.

What you get

  • One codebase for Android and iOS, with native performance
  • Reuses logic, APIs and design system from your React web app
  • Clickable prototype before a single line of code
  • Offline-first builds that work on patchy Indian networks
  • Play Store and App Store submission handled end to end
  • Over-the-air updates for fixes without waiting on store review
  • Fixed price in writing, GST invoice, code in your name
  • Three-month stabilisation window after launch

What's included in our React Native App Development

Every React Native project we take on covers the full journey from idea to live app, not just the coding in the middle. You get product discovery and a written scope, UX research and a clickable prototype, UI design for both platforms, React Native development in TypeScript, backend and API integration, payment gateway and third-party integrations, testing on real Android and iOS devices, Play Store and App Store submission, and post-launch monitoring. Source code, design files, store accounts and cloud accounts are all set up and handed over in your company's name.

Who is React Native App Development for?

React Native is the right choice when you need to be on both Android and iOS without paying for two separate teams. It suits:

  • Startups launching an MVP on both stores within a single funding runway.
  • Businesses with a React or Next.js website that want an app sharing the same logic, APIs and design language.
  • D2C and eCommerce brands moving repeat customers from the website to an app with push notifications and faster checkout.
  • Service businesses such as clinics, salons, home services and education providers that need bookings, payments and reminders.
  • Companies with field teams who need sales, delivery or inspection apps that work offline.
  • Product companies with an existing native app that has become too expensive to maintain twice.

What we offer

  • New React Native apps built from scratch, from MVP to full-scale product.
  • Web-to-app builds that reuse your existing React codebase, APIs and business logic.
  • Native-to-React Native migration that moves two separate Android and iOS apps onto one maintainable codebase.
  • Native module development for features that need deeper device access, written in Kotlin and Swift where required.
  • App modernisation that upgrades older React Native apps to the current architecture, fixes crashes and improves startup time.
  • Admin panels and backends so your team can manage users, orders, content and reports without calling a developer.
  • Maintenance and care plans covering OS updates, library upgrades, store compliance and new features.

What makes our React Native App Development different

Most agencies quote low, build fast and disappear when the first one-star review arrives. We work the other way round. You see a clickable prototype before development starts, so you are approving a real experience, not a requirements document. You get a fixed price in writing, so the budget does not move halfway through. You see working software every week on a live build, not a big reveal at the end. And we design for the phones and networks India actually uses, testing on budget Android devices and slow connections, not just the latest flagship. After launch, a three-month stabilisation window means we fix what real users find, at no extra cost.

Our process

We follow five clear stages: Understand, Plan, Build, Test, and Launch & Grow. A free discovery call leads to a written scope with a fixed price and timeline. Design comes first as a clickable prototype, then development runs in weekly sprints with a demo every week. Before launch, every screen is tested for speed, security, device compatibility and edge cases. We then handle store submission, go-live, 30 days of free support and team training.

Benefits

A single React Native codebase typically cuts development and maintenance effort compared to building two native apps, lets you release features on Android and iOS on the same day, and allows web and mobile teams to share code and skills. With over-the-air updates, small fixes reach users within hours instead of waiting for store review. And because React Native renders real native components, your users get an app that looks and feels like it belongs on their phone.

Why Choose Cartel Planet

Cartel Planet is a full-service IT company, so your app is not built in isolation. The same team can handle your UI/UX, backend, admin panel, website and the digital marketing that brings in your first users. Pricing is published and fixed in writing, every invoice carries GST, and everything we build is handed over in your name. You talk to real people on call, chat and WhatsApp, and our relationship does not end at launch day.

Features

Prototype Before Code

A clickable prototype of your app that you can test with real users and investors before development begins, so changes cost hours, not weeks.

One Codebase, Two Stores

A single TypeScript codebase that compiles to genuine native Android and iOS apps, keeping features, fixes and releases in sync across both platforms.

Shared Logic With Your Web App

Business logic, API layers, validation and state management can be shared with your React or Next.js website, reducing duplicate work and bugs.

Offline-First Architecture

Local storage and smart sync let your app keep working on slow or patchy networks and update automatically when the connection returns.

Native Performance Where It Counts

Built on React Native’s modern architecture with the Hermes engine, plus custom native modules in Kotlin and Swift for camera, Bluetooth, maps or heavy processing.

Payments & Integrations

Razorpay, PhonePe, Paytm, Stripe, UPI intents, WhatsApp, SMS OTP, Google Maps, Firebase and your existing CRM or ERP, connected and tested.

Over-the-Air Updates

Push bug fixes and small content changes directly to users without waiting days for App Store or Play Store review.

Push Notifications & Analytics

Segmented push notifications, deep links and event tracking so you know how users behave and can bring them back.

Store Submission Handled

Play Store and App Store listings, screenshots, privacy declarations, reviews and releases managed end to end, under your own developer accounts.

Stabilisation Window

Crash monitoring from day one and a three-month window after launch to fix anything real users find.

Why it pays off

  • Launch on Android and iOS together from a single codebase
  • Lower build and maintenance cost than two separate native apps
  • Release new features on both platforms on the same day
  • Reuse code, APIs and design from your React website
  • Native look, feel and performance on every device
  • Push fixes instantly with over-the-air updates
  • Works smoothly on budget phones and slow networks
  • Easier to hire for and scale, thanks to the large JavaScript talent pool
  • Fixed price in writing with no surprise invoices
  • Full ownership of code, store accounts and data

How it runs

  1. Understand

    A free discovery call about your users, business model, numbers and deadline. We tell you honestly whether React Native, Flutter or native is the best fit, and if we’re not the right team, we say so.

  2. Plan

    A written scope covering features, screens, integrations, cost, timeline and what we need from you. Fixed price, signed before work starts.

  3. Design

    User flows, wireframes and a clickable prototype for Android and iOS. You test it, share it and approve it before development begins.

  4. Build

    Development in weekly sprints with a demo every week on a live test build you can install on your own phone. No black boxes, no surprises.

  5. Test

    Speed, security, crash, accessibility and device testing on real Android and iOS phones, including budget devices and slow networks, against our pre-launch checklist.

  6. Launch & Grow

    Store submission, go-live, 30 days of free support and team training, followed by a three-month stabilisation window and an optional care plan for updates and new features.

Testimonials

Don't believe us? People talk about it

Founders, marketing heads and operations teams on what it was like to build with us — and what changed after launch.

4.8
50 Google reviews
FAQ

Questions about react native development

Straight answers on cost, timelines, ownership and support. Can't find yours? Ask us — a real person replies within one working day.

What does React Native app development cost in India?

At Cartel Planet, React Native apps typically cost ₹3,50,000 – ₹15,00,000. A focused MVP sits at the lower end, while apps with complex backends, real-time features, multiple user roles or heavy integrations sit higher. You receive a fixed number in writing before we start.

How long does it take to build a React Native app?

Most projects take 8–20 weeks. A lean MVP can be live in about 8–10 weeks; feature-rich apps with admin panels and integrations take longer. Your scope document includes a week-by-week timeline.

Is React Native good enough for a serious, production app?

Yes. React Native powers apps used by millions of people worldwide, and its modern architecture delivers smooth, native-quality performance for the vast majority of business apps, including eCommerce, booking, fintech, education and field-service apps.

React Native or Flutter: which should I choose?

Both are excellent cross-platform options. React Native is usually the better fit if you already have a React or Next.js website, a JavaScript team, or want to share logic between web and mobile. Flutter can suit apps with highly custom, animation-heavy interfaces. On the discovery call we recommend whichever genuinely suits your product, since we build with both.

Can you reuse code from our existing React website?

In most cases, yes. Business logic, API calls, validation rules, state management and parts of your design system can often be shared. UI components are rebuilt for mobile so the app feels native.

Will the app work offline or on slow networks?

We build offline-first where your use case needs it. Data is stored locally, actions are queued, and everything syncs automatically when the connection returns, which is essential for field teams and users in tier-2 and tier-3 cities

Do you handle Play Store and App Store submission?

Yes. We prepare listings, screenshots, privacy declarations and builds, manage the review process and handle rejections, all under developer accounts registered in your company’s name.

Who owns the source code and app accounts?

You do. Source code, design files, store accounts, cloud accounts and analytics are all set up in your name and fully handed over.

Can you migrate our existing native apps to React Native?

Yes. We audit your current Android and iOS apps, plan a phased migration so users aren’t disrupted, and move you onto a single maintainable codebase.

What happens after the app goes live

You get 30 days of free support and training, plus a three-month stabilisation window to fix issues real users find. After that, an optional care plan covers OS updates, library upgrades, security patches and new features.

Let's build it

Ready to Launch on Android and iOS Together?

Book a free 45-minute call. We’ll review your idea, recommend the right approach and give you a clear, fixed quote for your React Native app, with no obligation and no pushy sales follow-ups.