Webshark is a Flutter app development company helping startups and enterprises launch high-quality apps on iOS, Android and the web from one codebase. Our Flutter developers use Dart, Flutter's rich widget system and proven state management such as Riverpod and Bloc to build smooth, pixel-perfect interfaces that feel native on every device. We build Flutter MVPs, ecommerce and on-demand apps, fintech and healthcare apps and enterprise tools, backed by Firebase, Node.js, Laravel or Python APIs. Because one team maintains one codebase, Flutter app development usually cuts time to market and long-term costs compared with two separate native apps. Every project follows ISO 27001 certified and CMMI Level 3 processes. Comparing approaches? See our cross-platform app development.
Years of Software Engineering Experience
Projects Delivered Across Industries
Countries Served, Including the USA
Active Clients Trusting Our Engineering
Every Flutter app follows ISO 27001 certified security and CMMI Level 3 processes, with secure storage, encrypted APIs, OWASP Mobile Top 10 checks and data handling aligned to GDPR, CCPA, HIPAA and PCI DSS where relevant.
From an MVP to an enterprise app suite, our Flutter app development covers design, build, launch and support.
Mobile, web and desktop from one Flutter codebase.
iOS and Android apps with native performance.
Launch a testable MVP in 8 to 12 weeks.
Extend your app to web, Windows and macOS.
Custom, animated interfaces that match your brand.
Move native or older hybrid apps to Flutter.
Add senior Flutter developers to your team.
Flutter makes cross-platform fast. Experience makes it reliable.
Our Flutter developers have shipped apps to the App Store and Google Play across ecommerce, fintech, health and logistics. We know how to handle platform channels, background tasks, push notifications, payments and performance tuning, the details that separate a demo from a dependable app.
With one Flutter codebase, features ship to iOS and Android together, bugs are fixed once and a single team maintains the app. Combined with our delivery model, Flutter app development often costs far less over the app's life than two native apps.
A proven process takes you from idea to app store launch.
Every project with our Flutter app development company starts with discovery. Over one to two weeks we define your target users, business goals, core features, competitors and monetization model, and check whether Flutter suits your plans for iOS, Android, web or desktop. We rank features by value and effort. You receive a prioritized MVP scope, user stories, a cost estimate and a release roadmap, so the build starts with a clear, agreed plan.
Our designers create custom interfaces that take full advantage of Flutter's widget system, from branded animations to adaptive layouts that feel natural on both iOS and Android. We map user journeys, design wireframes and high-fidelity screens, and test clickable prototypes with real users. Over two to four weeks you receive validated prototypes and a design system built as reusable Flutter components, which speeds up development and keeps the app visually consistent everywhere.
Before coding, our Flutter architects plan a clean, scalable app structure. We choose state management such as Riverpod or Bloc, define folder structure, navigation, offline storage and API layers, and plan the backend, authentication and integrations with payments, maps, analytics or device features. You receive an architecture document and technical roadmap. A solid foundation keeps the codebase easy to test and extend as features and team size grow over time.
Our Flutter developers build the app in two-week sprints, delivering iOS and Android builds together from one Dart codebase. After each sprint you install the latest build on your own phone through TestFlight or Firebase App Distribution, join a demo and adjust priorities. Every change goes through code review and automated tests. This approach gives you steady, visible progress and typically saves 30 to 40 percent compared with building two native apps.
Quality is built in throughout the project. Our QA team writes widget, unit and integration tests, then runs manual and automated testing on a wide range of real iOS and Android devices, screen sizes and OS versions. We check performance, frame rates, memory use, accessibility, offline behavior and security. You receive test reports and a stable, release-ready Flutter app, which means fewer crashes, better store ratings and happier users after launch.
We prepare and manage submission to the Apple App Store and Google Play, including store listings, screenshots, privacy labels, signing certificates and compliance with each store's review guidelines. We handle reviewer feedback quickly and plan phased rollouts to limit risk. Crash reporting and analytics are set up from day one. You receive a live app in both stores, usually within one to two weeks of the final build, with clear launch metrics to track.
After launch we keep your Flutter app healthy and growing. We monitor crashes and performance, release bug fixes, support new iOS and Android versions, and upgrade Flutter and package versions as they mature. Using analytics and user feedback, we plan new features in regular release cycles, and can extend the same codebase to web or desktop. This keeps your app secure, fast and competitive long after the first release.
Users, goals and MVP.
Tested prototypes.
Architecture and backend.
Sprints with builds.
QA on real devices.
Store launch.
Support and upgrades.
Our Flutter app development company builds for ecommerce, fintech, healthcare, logistics, education, hospitality and startups.
We designed and developed a comprehensive digital platform for IIM ATM 2024 in collaboration with JSW Steel and the Ministry of Steel, streamlining...
Read Case Study
We rebuilt Bison Life's digital ecosystem with a high-performance website and a custom distributor portal, enabling seamless product access, distributor management...
Read Case Study
Webshark Web Services is building a custom premium Magento e-commerce platform for Devji Since 1950, one of Bahrain’s most respected names in luxury jewellery..
Read Case Study
We developed Tender 9, an AI-powered tender management platform that streamlines government procurement processes and simplifies tender discovery, tracking, and management across India.
Read Case Study
We developed Tender 9’s cross-platform mobile application to make tender discovery, tracking, and management easier, delivering a seamless procurement experience on Android and iOS.
Read Case Study
We redefined Gemmyo’s digital luxury experience with high-end French aesthetics and high-performance e-commerce infrastructure.
We delivered a bold digital platform for Stephen Webster, merging intricate jewelry craftsmanship with a high-performance, visually immersive user experience.
We crafted a sophisticated portfolio experience for Foster + Partners, prioritizing minimalist design aesthetics and high-fidelity project visualization across all devices.
Each industry has different users and integrations.
Answers to the questions teams ask before hiring a Flutter app development company: cost, performance, timelines and support.
Flutter app development is the process of building apps with Google's open-source Flutter framework and the Dart programming language. One codebase produces apps for iOS, Android, web and desktop, with fast, near-native performance and fully custom interfaces drawn by Flutter's own rendering engine. This means businesses can launch on multiple platforms at once with a single team. A Flutter app development company handles design, architecture, coding, testing, store launch and ongoing support, so you get a polished, cross-platform product with lower cost and faster time to market.
A Flutter MVP usually costs $20,000 to $50,000, while full-featured Flutter apps typically range from $50,000 to $150,000, often 30 to 40 percent less than building two separate native apps. The main cost drivers are the number of screens and user roles, custom animations, backend complexity, integrations with payments, maps or hardware, admin panels and security requirements. A short discovery phase gives you a fixed estimate before development. After launch, budget for hosting, maintenance and new features, typically handled through a monthly support plan.
Yes, Flutter is a proven choice for large production apps. It powers apps at companies such as Google, BMW and Alibaba, serving millions of users. Flutter compiles to native ARM code, renders smoothly at high frame rates and supports complex features such as real-time data, payments, maps and offline sync. With good architecture, clear state management, automated testing and CI/CD pipelines, Flutter handles complex, high-traffic apps well. As a Flutter app development company, we design for scale from the first sprint so your app can grow without rewrites.
Both Flutter and React Native are strong choices for cross-platform apps. Flutter offers highly consistent custom UI across platforms and excellent performance from its own rendering engine, which suits design-heavy apps and products that may expand to web or desktop. React Native suits teams with JavaScript skills or existing React web apps, since code and talent can be shared. Other factors include required native features, existing libraries and long-term hiring plans. We build with both, so we recommend the option that best fits your product, team and roadmap.
A Flutter MVP usually takes 8 to 12 weeks, while a full-featured Flutter app takes 3 to 6 months. A typical schedule includes one to two weeks of discovery, two to four weeks of UX and UI design, development in two-week sprints with QA running alongside, then about one to two weeks for app store submission. Complex backends, third-party integrations, compliance requirements and slow feedback cycles add time. Because Flutter builds iOS and Android together from one codebase, you avoid the delays of coordinating two separate native teams.
Webshark combines Flutter expertise with proven delivery processes. We have delivered 580+ projects for clients in 18+ countries over 7+ years, under ISO 27001 and CMMI Level 3 certified processes. Our Flutter developers have shipped production apps in ecommerce, fintech, healthcare, logistics and education, and we provide design, backend, QA and DevOps in one team. As a Flutter app development company, we focus on clean architecture, transparent sprint reporting and code you own outright. Our team overlaps with US business hours for easy day-to-day collaboration.
Yes, you can hire dedicated Flutter developers to join your team on monthly contracts. Our Flutter engineers are experienced with Dart, Riverpod or Bloc, Firebase, REST and GraphQL APIs, platform channels and CI/CD for mobile. They work in your tools, follow your sprint cadence and report to your product lead, so you add capacity without the time and cost of local hiring. You can start with one senior developer and scale up as your roadmap grows. For profiles and engagement options, see our hire Flutter developers page.
Yes, we can migrate your existing native or hybrid app to Flutter. We start with an audit of your current code, features, integrations and analytics, then recommend either a full rebuild in Flutter or a gradual migration, adding Flutter screens to the existing app module by module. Your backend, data and user accounts stay intact, and we plan the release so users update smoothly without losing data. Migrating to Flutter usually reduces long-term maintenance costs because one team supports both iOS and Android.
For Flutter projects we use Dart with Riverpod, Bloc or Provider for state management, and Firebase, Supabase or custom backends built with Node.js, Python, Java Spring Boot or .NET. Apps connect through REST or GraphQL APIs and run on AWS, Azure or Google Cloud. For admin panels and web portals we use React, Next.js or Angular. We automate builds and releases with Codemagic, GitHub Actions or Fastlane, and monitor apps with Firebase Crashlytics and analytics. We choose the stack that fits your goals, budget and in-house skills.
You do. All Flutter source code, designs, backend code, documentation and infrastructure scripts created for your app belong to you, and IP transfer is written into the contract. We sign NDAs before discovery starts so your product ideas and business data stay confidential. Your app is published under your own Apple and Google developer accounts, and code lives in repositories you control. This means you can bring development in-house or change partners at any time without losing access to your app.
Yes, you can hire a full dedicated product team instead of a fixed-price project. Beyond Flutter developers, a team can include a project manager, UI designer, backend and web engineers, DevOps and QA, all on monthly contracts. This model suits startups and businesses with evolving roadmaps, where priorities change sprint to sprint and you need mobile, web and backend work moving together. You keep full control of priorities while we handle hiring, management and quality. To explore cross-functional team options, see our hire full-stack developers page.
Yes, we provide support after your Flutter app launches. Our plans cover crash and performance monitoring, bug fixes, security patches, updates for new iOS and Android releases, Flutter and package upgrades, store compliance changes and new feature development. We agree response times based on how critical each issue is and share regular reports on app health. Our team overlaps with US business hours, so problems flagged by your users or staff during the working day get fast attention, and we can scale support up for big releases.