Flutter App Development
Building visually stunning, high-speed mobile applications using Google’s Flutter and Dart engine with custom Skia/Impeller rendering
ONE CODEBASE. DUAL PLATFORMS. UNCOMPROMISED NATIVE PERFORMANCE.
Hybrid App Development That Accelerates Your Launch on iOS and Android Without Compromising Quality
Building separate native codebases for iOS and Android often doubles your development budget, delays your market launch, and requires two separate engineering teams to maintain feature parity. BrainMine builds enterprise-grade hybrid and cross-platform mobile apps using Flutter and React Native—delivering native-grade 60fps performance, shared business logic, and simultaneous multi-platform deployment at 40% lower cost.
200+Cross-Platform Apps Delivered
Single-Codebase Efficiency
85+In-House Engineers
13+Years Since 2012
React Native App Development
Crafting native-feeling apps using React Native and TypeScript, backed by Meta’s robust component ecosystem
Shared Business Logic Architecture
Writing unified state management, API services, and offline caching once for simultaneous execution on iOS and Android
Custom Native Bridges & Hardware Plugins
Writing bespoke Swift and Kotlin native bridge modules for complex hardware sensors, Bluetooth, and camera processing
Complete Cross-Platform Mobile Engineering Across iOS, Android & Web
What We Offer
7 capabilities, one accountable in-house team.
Get a Free Cross-Platform ConsultationProgressive Web App (PWA) & Web Parity
Extending your mobile codebase to responsive desktop browsers with Flutter Web and React Native for Web
Codebase Refactoring & Migration Sprints
Migrating clunky legacy hybrid codebases (Cordova/Ionic) into modern, high-performance Flutter or React Native systems
Simultaneous Dual-Store Deployment
Managing unified release pipelines across the Apple App Store and Google Play Store with automated CI/CD builds
Why Ambitious Brands Choose Flutter and React Native
The Economic Advantage of Modern Cross-Platform Engineering
In the past, 'hybrid apps' meant sluggish web-views wrapped inside mobile shells. Today, modern frameworks like Flutter and React Native compile directly to native ARM machine code or bridge seamlessly with native OS widgets—delivering smooth 60fps animations and instant touch response. Choosing a modern cross-platform approach gives your business a massive strategic advantage: you launch on both Apple App Store and Google Play simultaneously, cut ongoing bug-fixing and feature maintenance costs in half, and ensure your users receive identical features at the exact same moment.
Not sure where to start?
Get a free, no-obligation consultation from our team before you decide on anything.
Tools & Platforms
Flutter vs. React Native: Choosing Your Ideal Framework
Flutter (Google)
Best for pixel-perfect custom designs, high-fps gaming-like animations, brand-heavy consumer apps, and unified multi-platform rendering across mobile, desktop, and web
React Native (Meta)
Best for dynamic data-driven applications, businesses with existing React web teams, and platforms requiring deep native UI component integration
How We Work
Our 6-Step Cross-Platform Development Lifecycle
- 01
Technical scoping and framework selection
Evaluating feature requirements, hardware access needs, and team alignment to choose between Flutter and React Native.
- 02
Adaptive cross-platform UI/UX design
Designing unified user interfaces that automatically adapt to native iOS navigation patterns and Android Material design cues.
- 03
Single-codebase sprint engineering
Developing core application logic, state management (Bloc/Riverpod/Redux), and API connectors in agile sprints.
- 04
Native bridge implementation and testing
Writing custom native iOS (Swift) and Android (Kotlin) plugins for specialized hardware and third-party SDKs.
- 05
Dual-platform automated QA & device matrix testing
Testing simultaneously on physical iPhones, iPads, and varied Android smartphones for memory, performance, and UI scaling.
- 06
Coordinated App Store & Play Store publication
Simultaneous submission to Apple App Store Connect and Google Play Developer Console, followed by post-launch monitoring.
Talk to the engineers who will deliver it.
Share your requirements and get a clear roadmap and milestone estimate.
Specialized Flutter & React Native Pods
Our developers are dedicated cross-platform specialists with deep native iOS/Android background knowledge
Near-Native 60fps Performance Guarantee
We optimize rendering trees and memory allocation to eliminate stutter and frame drops
100% Code & Asset Ownership
You receive full ownership of the single source code repository, Figma designs, and deployment scripts
Single Maintenance Retainer
Maintain both your iOS and Android apps under one unified, cost-effective support agreement
Industries
Industries We Build Hybrid Apps For
On-Demand Services & Delivery Platforms
Real-time GPS mapping, push notifications, customer-driver chat, and dual-store release
B2B Enterprise & Field Service Apps
Offline data collection, inventory lookup, barcode scanning, and multi-platform staff management
Social Networking & Community Platforms
Dynamic user feeds, real-time messaging, multimedia uploading, and community forums
FinTech & Mobile Banking
Biometric authentication, secure API transactions, automated expense tracking, and digital wallets
E-Commerce & Omnichannel Retail
Seamless catalog browsing, personalized push offers, and native Apple Pay / Google Pay checkout
Ready to move forward?
Book a free consultation and hear back from our team within one business day.
Client Results
What Our Clients Say
Building our app in Flutter with BrainMine cut our estimated time-to-market in half. We launched on both the App Store and Google Play in just 10 weeks with a single codebase. The performance is silky smooth, and maintaining one codebase has saved us thousands in monthly engineering costs.
Talk to Our Team
Get in Touch
Or use our contact form and our cross-platform solutions lead will evaluate your project within one business day.
Contact UsFrequently Asked Questions
What is the difference between native and hybrid/cross-platform app development?
Native development requires writing two completely separate apps in different languages (Swift for iOS, Kotlin for Android). Hybrid/cross-platform development uses a single framework (like Flutter or React Native) to write the codebase once and compile it into native applications for both iOS and Android.
Will a hybrid app feel slower than a native app?
Not with modern frameworks like Flutter and React Native. Because they compile directly to native ARM machine code and utilize hardware GPU acceleration, performance differences are imperceptible (smooth 60fps to 120fps) for 95% of business and consumer applications.
How much money does cross-platform development save?
Building a cross-platform app typically saves 35% to 50% in initial development costs compared to building two separate native apps, and cuts ongoing bug-fixing, feature additions, and maintenance costs in half.
Which is better for my project: Flutter or React Native?
Flutter is ideal if you want custom, pixel-perfect brand visuals, high-speed animations, and multi-platform compilation across mobile, web, and desktop. React Native is ideal if your team already has React web expertise or if your app relies heavily on native device UI components.
Can hybrid apps access device hardware like camera, GPS, and Bluetooth?
Yes. Both Flutter and React Native have extensive ecosystems of native plugins and bridges allowing seamless access to the camera, GPS, biometric sensors, Bluetooth Low Energy (BLE), push notifications, and local storage.
Do we still need separate developer accounts for Apple and Google?
Yes. You will need an Apple Developer Account ($99/year) and a Google Play Console Account ($25 one-time fee). Our team handles the entire configuration, build signing, and submission for both stores.
How long does it take to develop a cross-platform mobile app?
A feature-complete hybrid MVP typically takes 8 to 10 weeks to build and launch on both app stores. Complex enterprise platforms take 3 to 5 months in agile delivery sprints.
Do we own the full source code and repository?
Yes. 100%. You receive complete legal ownership of the Git source repository, documentation, design files, and deployment pipelines upon project milestone completion.
Can we migrate an existing native app to Flutter or React Native?
Yes. We frequently help companies consolidate separate native iOS and Android apps into a single, unified Flutter or React Native codebase to reduce ongoing maintenance overhead.
How do we get started?
Reach out through our inquiry form with your app concept. Our cross-platform engineering team will schedule a discovery session and provide an architectural roadmap.
Free Consultation
Ready to Launch on iOS and Android with Maximum Efficiency?
Schedule a free hybrid app consultation. We will help you select the ideal framework (Flutter vs. React Native), scope your architecture, and provide a transparent milestone plan. Get started today.