Flutter app development for one codebase, two native-quality apps.
Hoop Interactive builds iOS and Android apps in Flutter and Dart from a single codebase, so you launch on both platforms without paying for two separate builds or waiting for one to catch up to the other.
What is Flutter app development?
Flutter app development is the process of building mobile apps with Flutter, Google's open-source UI toolkit, and Dart, the programming language behind it. One codebase compiles to native ARM code for both iOS and Android, so a single team ships and maintains both platforms instead of running two parallel native codebases.
Flutter draws every pixel on screen itself, through its own rendering engine, instead of relying on each platform's native UI components. That approach gives Flutter apps identical behavior and appearance on iOS and Android, and removes the platform-specific rendering bugs that come from bridging to native components. The tradeoff is a slightly larger app size and a UI that needs deliberate design work to feel native to each platform's conventions.
- Native ARM output
- Compiled directly, with no JavaScript bridge in the middle.
- Material + Cupertino
- Platform conventions respected where users actually notice.
- Hot reload
- Code changes visible on the running app in under a second.
- Web & desktop too
- The same codebase extends beyond mobile when needed.
Flutter, React Native, or separate native apps?
Three ways to reach both platforms — and the team and product each one genuinely suits.
| Approach | What it is | Best fit |
|---|---|---|
| Flutter | One Dart codebase, rendered by Flutter's own engine on both platforms. | Teams that want pixel-consistent UI and fast iteration across iOS and Android. |
| React Native | One JavaScript codebase, rendered through native platform components. | Teams with existing React/JavaScript skills who want a more platform-native feel. |
| Separate native apps | Independent Swift and Kotlin codebases for iOS and Android. | Products needing the deepest hardware access or platform-exclusive features. |
Choosing Flutter deliberately.
Why it has become the default cross-platform pick, and the point at which native is still the right call.
Why Flutter has become the default cross-platform choice
Flutter now powers a large share of new cross-platform mobile apps, and Google maintains it as the primary framework recommended for Android and cross-platform development going forward. Hot reload lets developers see code changes on the running app in under a second, which speeds up UI iteration well beyond what native development or most other cross-platform tools offer.
Flutter vs. native: which do you need?
Build in Flutter if you need iOS and Android launched together on one budget and one timeline. Build native if your product depends on the newest platform-exclusive API the day it ships, or on graphics performance at the edge of what any cross-platform framework supports.
Why build your app in Flutter?
Flutter gets you to two platforms on one budget, without the design drift and duplicated bugs that come from maintaining two separate native codebases.
30–40% lower build cost
One codebase and one team replace two parallel native efforts.
Identical UI on both platforms
The same behavior and appearance ship to iOS and Android from one source.
Hot reload iteration
Changes appear on the running app in under a second, not after a rebuild.
Compiles to native ARM
No JavaScript bridge, so the performance cost of translation disappears.
Extends to web and desktop
Additional targets compile from the same codebase when you need them.
Backed by Google
A growing package ecosystem on pub.dev and long-term platform support.
Flutter services we offer.
We scope the engagement around your product's actual state — new build, migration, or an existing app that needs work.
Cross-platform mobile apps
iOS and Android apps built from one Dart codebase, designed to feel native to each platform's conventions.
MVP & startup apps
A fast, working app on both platforms to test demand before committing to two separate native builds.
Flutter web & desktop apps
Companion web or desktop apps compiled from the same codebase as your mobile app.
Native module integration
Custom platform channel code for hardware or APIs that don't have an existing Flutter plugin.
Native-to-Flutter migration
Consolidating separate iOS and Android codebases into one Flutter app, screen by screen.
Maintenance & performance tuning
Ongoing SDK updates, bug fixes, and performance profiling for apps already in production.
Signs you need Flutter development help.
Four situations send most founders and product leads to us for Flutter work.
- 01
You need both platforms on one budget
Building separate iOS and Android apps costs more than your timeline or funding allows.
- 02
Two native apps have drifted apart
Your iOS and Android apps look and behave differently because two separate teams built them independently.
- 03
You want to validate an idea fast
You need a working app on both platforms in weeks to test with real users before a bigger investment.
- 04
You need a web companion to your app
Your team wants a browser-based version of the app without maintaining a third separate codebase.
Common Flutter mistakes we help you avoid.
These five mistakes account for most of the inconsistent or hard-to-maintain Flutter apps we get asked to fix.
Ignoring platform-specific design conventions
HighA single UI copied across both platforms feels foreign on one of them. We use Material and Cupertino widgets to match each platform's expectations where it matters.
No clear state management architecture
CriticalApps that skip a defined state management pattern become unmaintainable as features grow. We standardize on Riverpod or Bloc from the first sprint.
Choosing Flutter for apps needing exclusive native APIs
CriticalSome cutting-edge platform features aren't available in Flutter on day one. We flag this risk during discovery, before development starts.
Skipping real-device testing on both platforms
HighSimulator-only testing misses real performance and gesture issues. We test on physical iOS and Android devices before every release.
Underestimating app size and build optimization
MediumUnoptimized Flutter builds ship a larger app than necessary. We apply tree-shaking and asset optimization before launch.
How we build your Flutter app.
Six stages, from first call to two live app store listings. We work in weekly sprints with a demo every Friday.
Discovery & feature scoping
We define your core user, the features that matter, and any native functionality the app will need on either platform.
2–3 weeks · DiscoveryUI/UX design for both platforms
We design the interface with Material and Cupertino conventions in mind, so it feels native on iOS and Android.
2–3 weeks · DesignDart & widget development
We build in one-week sprints with a working demo every Friday, using hot reload to iterate quickly.
4–28 weeks · DevelopmentQA across iOS & Android
We test on real devices for both platforms, not only the simulator, to catch platform-specific issues before launch.
2–3 weeks · QAApp Store & Play Store submission
We prepare both store listings and submit to Apple and Google, then respond to any review feedback.
1–2 weeks · SubmissionLaunch & post-launch support
We monitor crash reports and reviews after launch and hand over a documented, commented codebase.
Ongoing · SupportFlutter development cost and timeline.
Three factors drive the price: screen count, backend requirements, and native module needs. Apple ($99/year) and Google Play ($25 one-time) developer fees bill separately.
- Investment
- $10,000–$30,000
- Timeline
- 6–12 weeks
- Screens
- 5–10, one workflow
- Included
- Auth & local storage
- Integrations
- 1–2 third-party
- Investment
- $30,000–$80,000
- Timeline
- 12–20 weeks
- Scope
- Backend, login, payments
- Data
- API-based sync
- Integrations
- 3–6 third-party
- Investment
- $80,000–$250,000+
- Timeline
- 20–40 weeks
- Features
- Real-time, complex logic
- Included
- Custom native modules
- Compliance
- HIPAA · PCI DSS
The technology behind your Flutter app.
Google's native toolkit, chosen for performance and long-term platform support.
Flutter
Dart
Firebase
Fastlane
GitHub ActionsWays to work with us.
Pick the model that fits your project and team. All four include weekly demos and full code ownership.
Fixed-Scope Project
A defined feature set, timeline, and price agreed before we start. You know the exact cost up front.
Best for fixed budgetsDedicated Team
Flutter engineers and a designer working as an extension of your team through launch and beyond.
Best for ongoing productsStaff Augmentation
A senior Flutter developer added to your existing team to close a skills gap or add build capacity.
Best for existing teamsMaintenance Retainer
Ongoing SDK updates, bug fixes, and feature work for an app already live, billed monthly.
Best for live appsEvery Flutter build comes complete.
No hidden gaps. Each engagement includes everything you need to launch and maintain the app.
- Feature scoping
- A clear screen list and technical plan before we write code.
- Platform-aware UI
- An interface designed for both iOS and Android conventions.
- State management setup
- A defined architecture built with Riverpod or Bloc from sprint one.
- Real-device testing
- QA on physical iOS and Android hardware, not only the simulator.
- Native module support
- Custom platform channels for anything a plugin doesn't cover.
- Dual store submission
- Listings, screenshots, and builds prepared for both app stores.
- Crash & analytics setup
- Monitoring wired in before launch, not added after problems appear.
- Documented handover
- Clean, commented code and a repository you own outright.
Flutter apps we build across every sector.
The process stays the same. The core workflow we scope changes by industry.
SaaS & Startups
MVPs and companion apps launched fast on both platforms.
Fintech
Secure payment and budgeting apps with biometric authentication.
Ecommerce & Retail
Shopping apps with consistent checkout across iOS and Android.
Health & Fitness
Tracking and wellness apps with wearable and sensor integration.
Logistics & Delivery
Driver and dispatch apps built for reliable background operation.
Travel & Hospitality
Booking apps with consistent UI across both platforms and regions.
Education
Course and learning apps with offline access and progress tracking.
Marketplaces
Two-sided platforms connecting buyers and sellers on one app.
Explore more software services.
Flutter development is one of twelve engineering areas we cover, under Mobile Apps.
Mobile App Development
Native and cross-platform apps across both major platforms.
ExploreiOS App Development
Native Swift and SwiftUI builds for iPhone, iPad, and Apple Watch.
ExploreAndroid App Development
Native Kotlin and Jetpack Compose builds for the Android ecosystem.
ExploreReact Native Development
The JavaScript alternative for one codebase across both platforms.
ExploreMVP Development
A lean first build that tests your idea with real users in weeks.
ExploreWeb Design & UX
Interface and user-journey design for products people return to.
ExploreAPI & Integrations
REST and GraphQL backends your app consumes.
ExploreNode.js Development
Scalable backends and real-time features behind mobile apps.
ExploreFlutter app development questions
The questions founders and product leads ask us most before starting a Flutter build.
No, not for every use case. Flutter matches native performance for most business apps, since it compiles to native ARM code rather than running through a bridge. Apps needing the newest platform-exclusive APIs on day one, or extremely demanding graphics work, still favor fully native development.
Flutter app development costs $10,000 to $250,000 or more, depending on complexity. An MVP or simple app costs $10,000 to $30,000, a standard business app costs $30,000 to $80,000, and an enterprise or complex app costs $80,000 to $250,000 or more.
Building a Flutter app takes 6 to 40 weeks or more. An MVP takes 6 to 12 weeks, a standard business app takes 12 to 20 weeks, and an enterprise or complex app takes 20 to 40 weeks or longer.
Flutter renders every pixel itself through its own graphics engine, giving pixel-identical UI across iOS and Android. React Native renders through native platform components, which can look more platform-native but varies more between iOS and Android by default.
Yes. Flutter accesses the camera, GPS, biometrics, and most device hardware through official plugins, and platform channels let us write custom native code for anything a plugin doesn't cover.
Yes. Flutter compiles the same codebase to web and desktop targets alongside iOS and Android, which we use when a client needs a companion web app without a separate build.
Yes. We migrate existing iOS and Android apps to a single Flutter codebase in phases, screen by screen, so the app stays functional throughout the transition.
Yes. Flutter is one of the fastest paths to a working iOS and Android app, since one codebase and one team replace the cost and coordination of two separate native builds.
Yes. You own 100% of the source code and intellectual property, delivered in a documented, ready-to-hand-over repository.
Yes. We offer maintenance retainers covering Flutter SDK updates, bug fixes, and new feature development after your app goes live.
Yes. We prepare both store listings, screenshots, and review-ready builds, then manage submission and respond to any review feedback from Apple or Google.
Yes. We sign an NDA before the discovery call, before you share any product or business details with us.