Why should I migrate to Flutter?

Flutter allows you to use a single codebase to build apps for multiple platforms, which reduces development costs and improves app performance without compromising quality.

If I migrate my app to Flutter, will I lose my data?

No. Your data will not be lost. Our experts take proper backups and ensure data is preserved throughout the migration process.

How long does the migration process take place?

The migration process usually takes between 4 to 8 weeks, depending on the app size and its functionality.

Can you redesign my app during the migration stage?

Yes. The app can be redesigned during migration to enhance user experience and improve the overall look and feel.

Do you provide support after the migration process?

Yes. Post-migration support is provided, including bug fixes and ongoing assistance from Flutter app migration experts.

Flutter App |

Still juggling codebases in Android and iOS? Managing 2 apps requires twice the work and effort. At Flutter India, we reduce the time and effort with Flutter app migration services. So, you manage one codebase, ship faster, and cut maintenance costs by up to 40%.

24+ Years of Experience

1000+ Projects Done

97% Client Retention

95% On-Time Delivery

Get A Free Migration Assessment

Why Companies Are Rebuilding Apps with Flutter Migration Services

Nearly 38% of enterprises, including BMW and Alibaba, have chosen Flutter to power their apps. The reason is simple: one codebase that runs on Android, iOS, web, and desktop with near-identical performance on each platform.

If your current app has slow-release cycles, inconsistent UI between platforms, or rising maintenance bills, Flutter migration solves all three at once. Our flutter app development team has done this over a thousand times. We know what breaks during migration, how to protect your data, and how to keep your users from noticing a thing.

40%

Average cost reduction post-migration

Faster feature releases

60%

Reduction in app load time (avg.)

30%

Better customer retention rates

Clients We've Worked With

Our Flutter migration company has helped startups, mid-sized businesses, and enterprises in modernize legacy applications without disrupting existing users or operations.

Flutter App Migration Services We Specialize In

Every migration type has its own set of challenges. Our flutter migration company has experts who handle all of them, with a dedicated and customized plan for each.

Native Android & iOS to Flutter

Every Java/Kotlin Android app or Swift/Objective-C iOS app gets migrated to a single Flutter codebase. All existing business logic, APIs, and databases are preserved. You lose nothing, you only gain cross-platform app development reach and lower dev costs.

React Native to Flutter Migration

React Native apps often hit a wall, bridge overhead, janky animations, and package inconsistencies. Flutter eliminates all of this. We migrate your React Native codebase to Flutter with better performance, smoother 60fps animations, and a cleaner architecture.

Legacy & Hybrid App Modernization

Running on Ionic, Cordova, or PhoneGap? These frameworks are aging fast. Our flutter migration services experts modernize your hybrid app to Flutter so you get native-level performance without the technical debt. Your users notice the difference, in a good way.

Web App to Flutter Mobile

Have a web product built in React, Angular, or Vue and want to reach mobile users? We rebuild the mobile layer in Flutter, using your existing backend, APIs, and data structure. No rework on the server side. We also handle Flutter API Integration to make sure all your third-party connections carry over cleanly.

Flutter Version Upgrade & Refactoring

Already on Flutter but stuck on an old SDK version? Pre-null safety code, deprecated APIs, outdated packages, all of this creates hidden risk. We upgrade your Flutter codebase to the latest stable version with null safety and clean architecture in place. After the upgrade, our Flutter App Testing team runs a full test cycle across devices before anything goes live.

Post-Migration Support & Maintenance

Migration is step one. After your app goes live, it needs regular Flutter SDK updates, OS compatibility patches, performance audits, and bug fixes. We provide ongoing support, so your app stays stable, secure, and up to date, without chasing vendors every time something breaks.

Still Managing Two Apps and Double the Work?

Our Flutter app migration company helps businesses unify platforms, reduce release delays, and simplify long-term app maintenance.

Let’s Connect

What You Gain with Flutter Migration Services

Our Flutter migration company in India help businesses replace fragmented native apps with one unified codebase that is faster to build, easier to maintain, and consistent across every platform. From lower maintenance costs to quicker releases and better user experiences, here’s what businesses gain after moving to Flutter.

One Codebase, Both Platforms

Write code once, deploy on Android and iOS. Your team works on one project instead of two every feature gets built once and released everywhere at the same time.

Faster Time to Market

Flutter's hot reload shows code changes in under a second during development. Combine that with a single codebase and your team ships features in days and not weeks.

Reduced Maintenance Costs

One codebase means one QA cycle, one set of dependencies, and one team handling all platforms. Most of our clients cut their app maintenance budget by 35–40% within the first year.

Consistent User Experience

Flutter renders its own widget library instead of relying on platform-native components. Your Android and iOS users see the exact same design, which keeps your brand consistent everywhere.

Better Performance & Scalability

Dart compiles directly to native ARM code. There is no JavaScript bridge, no extra runtime overhead. Apps are faster, smoother, and easier to scale as your user base grows.

Future-Ready Architecture

Flutter runs on mobile, web, and desktop from one codebase. Migrating now means you are ready to expand to new platforms without a separate build, whenever the business needs it.

Our Portfolio

Businesses hire Flutter developers with us when maintaining multiple codebases starts slowing releases, increasing costs, and hurting user experience. Here are some real examples of how our Flutter app migration services helped companies improve app performance, speed up releases, and simplify long-term development.

From Slow Releases to Shipping Features in Days

A retail brand was managing separate Android and iOS apps. Every product update took weeks to ship, because the same change had to be built and tested twice. Users noticed the inconsistency in the UI between platforms, and retention was suffering.

Our Flutter developers migrated both apps to a single Flutter codebase, backed up all data before touching anything, and redesigned the UI using Flutter's widget library. The whole process took six weeks.

After migration, the team went from shipping features in weeks to shipping them in days. The app experience became identical on both platforms, and users responded well.

45%

Increase in app speed

30%

Higher customer retention

React Native to Flutter Migration, Crash-Free and Twice as Fast

A fintech startup's React Native app was holding them back. The JavaScript bridge caused noticeable lag in their transaction screens. Crash reports were growing. Every bug fix felt like defusing a bomb because of the fragile architecture underneath.

Our flutter migration services in India, helped migrate their app to Flutter and rebuilt the architecture from the ground up, clean layers, modular code, and a proper state management setup. We also added a behavior analytics dashboard during the migration.

Crash reports essentially went away. App load time dropped by 60%. The development team could now push updates in half the time they used to.

60%

Drop in app load time

2×

Faster update shipping

Technologies We Use for Flutter Migration Projects

From architecture planning and performance optimization to CI/CD automation and cross-platform testing, our Flutter app migration services cover the complete ecosystem required to build production-ready applications.

Core Development

Flutter SDK

Dart

VS Code

Android Studio

Performance & Monitoring

Dart DevTools

Flutter Inspector

Sentry

Firebase Performance

Testing & QA

Flutter Test

Golden Tests

Integration Testing

BrowserStack

CI/CD & Deployment

Codemagic

GitHub Actions

Fastlane

Docker

Backend & API Connectivity

REST APIs

GraphQL

Postman

Firebase

React Native Performance Slowing Your Product Down?

Our React Native to Flutter migration experts rebuild unstable architectures into faster, smoother, production-ready Flutter applications.

Talk To Our Experts

Why Businesses Are Choosing Flutter Over Other Frameworks

Flutter has quickly become the preferred choice because it combines near-native performance with a single scalable codebase that works across mobile, web, and desktop. Here’s how Flutter compares against React Native and traditional native development.

Factor	React Native	Native (iOS + Android)	Flutter
Codebase	1 (with bridge layer)	2 separate codebases	Single unified codebase
UI Consistency	Moderate (OS renders UI)	Varies per platform	Pixel-perfect on all platforms
Performance	Good, limited by JS bridge	Excellent per platform	Excellent, Dart compiled to native
Excellent, Dart compiled to native	Fast (hot reload)	Slow (two teams)	Fastest (hot reload + one team)
Maintenance Cost	Medium	High (dual codebase)	Low (single codebase)
Animation Quality	Limited (bridge overhead)	Native animations	60fps, custom animations native
Web & Desktop Support	Limited	Separate builds needed	Full support, one codebase
Long-term Stability	Meta-backed, uncertain	Stable per platform	Google-backed, actively growing

Process We Follow for Flutter App Migration Services

Our Flutter app migration services follow a step-by-step approach that minimizes risk, protects your existing functionality, and keeps your business running without disruption during the transition.

Initial Consultation

We start by understanding your current app, your business goals, and your timeline. Based on this, we create a Flutter migration roadmap, with clear milestones, risk areas flagged upfront, and a delivery estimate you can plan around.

Codebase & Architecture Audit

Our Flutter engineers review your existing codebase in detail. We look at your architecture, third-party APIs, dependencies, and data flows. Any migration risks, performance bottlenecks, incompatible libraries, complex native code are identified and addressed before work begins.

UI/UX Redesign

We modernize your app's interface using Flutter's rich, customizable widget library. Every screen is rebuilt to be responsive, visually consistent, and fast across all screen sizes and platforms. If you want a full redesign during migration, we handle that too.

Development & Migration

We migrate your app to Flutter with clean architecture and modular code. Your existing business logic, APIs, and critical features are preserved throughout. We work in sprints with regular builds shared for your review, so nothing is a surprise at the end.

Quality Assurance & Device Testing

Our QA team tests the migrated app across real Android and iOS devices, different OS versions, and varied screen sizes. Unit tests, integration tests, and performance benchmarks are all run before we hand anything over. We don't ship until it's stable.

Launch & Ongoing Support

After launch, we monitor your app's performance, handle Flutter SDK updates, and fix any post-release issues quickly. You can choose from monthly support plans based on how much coverage you need, from basic bug fixes to full proactive maintenance.

Industries We've Migrated Apps For

Flutter migration service with us works across sectors. Here are the industries our clients come from most often.

Fintech & Banking

Retail & E-commerce

Healthcare

Logistics & Transportation

Education & E-learning

Media & Entertainment

Travel & Hospitality

Real Estate

Food Delivery & On-Demand Services

Why Choose Flutter India for Your Next Migration Project

There are plenty of Flutter shops out there. Here is what makes working with us different, and why 97% of our clients come back for the next project considering us the right choice for their flutter app migration company.

Flutter-Only Specialists

We work exclusively with Flutter. Our developers have handled every migration type such as native, React Native, hybrid, and legacy hybrid. They know where things break.

Custom Migration Plans

No template projects. Each migration plan is built around your specific app, your timeline, and your budget. What works for one client may not work for you.

Zero Data Loss Guarantee

We back up everything before we start. Your data user records, transaction history, and app content are preserved throughout the entire migration process.

Full Transparency

You get weekly progress updates, access to sprint builds, and a dedicated point of contact throughout. No black boxes, no surprises at the end.

Thorough QA Process

Every migration goes through unit tests, integration tests, and real device testing across Android and iOS before we ship. We don't hand over untested builds.

Long-Term Support Available

Need someone after launch? We offer monthly maintenance plans, from Flutter SDK upgrades to performance monitoring and on-demand bug fixes.

Future-Proof Your Product with Flutter Modernization Services

Modernize outdated applications with scalable Flutter architecture, cleaner UI, faster releases, and lower long-term development costs.

Get A 30 Mins Free Migration Assessment

Frequently Asked Questions

1. Why should I migrate my app to flutter?

If you are managing separate Android and iOS apps, you are spending twice the budget and twice the time on every release. Flutter gives you one codebase that works on both, and on web and desktop too. Most clients reduce their app maintenance costs by 35–40% within the first year.

2. Can you migrate a React Native app to Flutter?

Yes, and this is one of the most common migrations we do. React Native apps often face performance issues because of the JavaScript bridge, especially in screens with heavy animations or real-time data. Flutter removes that bridge entirely. We handle the full migration, rebuild the architecture cleanly, and your users typically notice a faster and smoother app on day one after launch.

3. Will I lose any data during the migration?

No. We take a full backup of your data before any work begins. Your user records, content, transaction history, and backend data are all preserved. The migration only rebuilds the mobile layer your backend, APIs, and database remain untouched unless you want changes there too.

4. How long does Flutter app migration take?

Most migrations are completed in 4 to 8 weeks. The exact timeline depends on the size and complexity of your app, the number of screens, and how many custom native integrations it uses. After our initial codebase audit, we will give you a specific timeline. Simple apps can be done in 3 weeks. Large, complex apps with multiple third-party integrations may need 10–12 weeks.

5. Can you redesign my app during the migration?

Yes. Many clients use migration as an opportunity to modernize their UI as well. Since we are rebuilding the interface in Flutter, redesigning it costs less than doing it separately later. We handle UI/UX design in-house, you review and approve Figma screens before any development begins.

5. How much does Flutter app migration cost?

Migration projects typically start from ₹2.5L ($3,000) for simpler apps and go up based on complexity, number of screens, and any custom native integrations involved. The best way to get an accurate figure is to share your app with us. We review it and come back with a detailed estimate within 24 hours. The initial assessment is free with no obligation.