What if the scope grows mid-build?

We flag it the sprint it happens, with the added time or cost attached, so you decide before it's built rather than finding it on the final invoice.

Can you migrate an app from one framework to another?

Yes, though it is closer to a rebuild than a migration for most of the UI layer. We'll tell you honestly on the call whether migrating or finishing the current stack is the cheaper path.

What exactly transfers to us on handover?

The full repository, the CI/CD pipeline configuration, and App Store and Play Store developer account access if you want us to keep it under your existing accounts throughout, which avoids a transfer step later.

Can we hire your developer directly afterwards?

Yes. Nothing in our agreement blocks it. Most clients keep us on for ongoing releases since the build context stays with the team that shipped it, but that's your call.

Do you build for web too, or just mobile?

Depends on the stack. React Native and Flutter both have web-rendering paths (React Native Web, Flutter Web) that work for some UIs and not others; Capacitor apps are web apps by definition. We'll tell you on the call whether a shared web build is realistic for your UI or whether it needs a separate front end.

Page Label

Cross-platform app development, stack matched to the app

One app, one team, one codebase across iOS and Android. The stack we build it on (React Native, Flutter, or Capacitor) gets decided by what your app actually needs to do, not by which framework we happen to prefer.

The problem, reframed

Ask five agencies which cross-platform framework to use and four of them will name the one they already know, dressed up as a recommendation. That is a staffing decision wearing a technical one.

The actual decision has a shape: how much of the UI needs pixel-level custom rendering, how many native device features the app touches, and whether the team maintaining it afterward already knows JavaScript, Dart, or neither. Flutter's Impeller rendering engine draws every pixel itself, which is why a heavily animated, brand-custom UI often looks and performs better in Flutter than fighting native components toward the same result. React Native's New Architecture (Fabric, TurboModules, JSI) uses actual native UI components, which is why it tends to feel more "at home" on each OS with less custom-UI work. Capacitor wraps a web app in a native shell, which is the right call only when the app is genuinely web-first and the native footprint is thin: a few plugins, not a UI overhaul.

We name the tradeoff on the scoping call and build the case for it, instead of defaulting to whichever stack fills our own sprint calendar.

What we build

Framework selection and architecture

A written comparison of the two or three stacks that actually fit your requirements, scored against your real constraints: animation complexity, native feature count, existing team skillset, and target platforms (iOS, Android, and web if that matters to you)
Project architecture set up before UI work starts: state management, navigation, and a native-module boundary so platform-specific code stays isolated and swappable

React Native builds

New Architecture (Fabric, TurboModules) with Hermes as the JS engine
Full detail on our dedicated React Native page, since it is deep enough to warrant its own breakdown

Flutter builds

Dart with the Impeller rendering engine (Skia as fallback where Impeller support gaps still exist on a given platform version)
Platform channels for native code where a plugin does not already cover the device feature you need
Widget-based UI that renders identically pixel-for-pixel on both platforms, which is the tradeoff: less native "feel," more design control

Capacitor and hybrid builds

Native shell around an existing or new web app, with native plugins for camera, push, geolocation, and biometrics bridged in through Capacitor's plugin API
The right call specifically when your web app is already built and the mobile requirement is "get it on the App Store and Play Store" rather than "build a mobile-native experience"

Shared, regardless of stack

Push notifications through FCM and APNs
Offline-first local storage with conflict resolution for records edited without a connection
Biometric auth, deep linking, and CI/CD pipelines (Fastlane, EAS Build, or Codemagic depending on the stack) so store submission is a pipeline step, not a manual afternoon

Built on a connected stack

The app's backend runs through the same n8n automation layer we use for web systems, so an in-app action, a WhatsApp Business API message, and a CRM update land in one workflow instead of three disconnected ones. For apps that need in-app support, a RAG chatbot sits behind the same architecture documented on our AI customer support pages, exposed as a native chat screen. Where the mobile app is one piece of a larger product, we structure the repository to share types and API logic with a Next.js web front end, so a schema change happens once.

Core Values

Who this is for

Startups deciding between frameworks before writing a line of code.

You need the decision made correctly the first time, not revisited eighteen months in.

Design-led products where the UI is the differentiator.

Heavy animation, custom components, and a brand system that needs to render identically on both platforms.

Web-first products adding a thin native shell.

Your web app works. You need it in the App Store and Play Store without rebuilding it as a native app.

Agencies needing white-label capacity across more than one stack.

Your client's app spans frameworks your team does not carry in-house.

This work fits businesses with a working product, or a funded and scoped plan for one, past the "which framework" debate happening informally in a Slack thread.

Why Flowagenz

You get full ownership of the codebase and the App Store and Play Store developer accounts on completion. No dependency on us to ship your next release, on any stack.

We're based in Salem, Tamil Nadu, which is why the engineering-hour rate looks different from a US or UK studio quoting the same Flutter or React Native work. We run daily async standups and keep meeting slots inside US, UK, and Australia business hours, so a blocked build gets a same-day answer.

Process

How it works

Framework scoping call.

We walk through your UI complexity, native feature list, and team skillset, and leave with a stack recommendation in writing, not a verbal opinion.

Architecture and design handoff.

Navigation, data model, and native-module boundaries get locked before screen-level code starts, on whichever stack we land on.

Build in two-week sprints.

You get a testable build (TestFlight and internal Play Store track, or Codemagic build link for Flutter) at the end of every sprint.

Store submission.

We handle App Store review requirements and Play Store target API level compliance directly, stack-agnostic.

Handover.

Repository, CI/CD pipeline, and store accounts transfer to you, with documentation matched to whichever framework we built on.

A standard MVP-scope app typically runs 5 to 10 weeks from scoping call to store submission, with Flutter and React Native landing at similar timelines and a thin Capacitor wrap running shorter since the web app already exists. Apps with heavy custom animation or many native integrations run longer; we scope that on the call.

FAQ

Frequently Asked Questions

Everything you need to know about our process and digital systems.

We'll build on it if the fit is reasonable. If your choice genuinely works against what the app needs to do, we say so on the scoping call with the specific reason, not after three sprints of building on it.

Ready to scope your app

Tell us what the app needs to do and we'll come back with a framework recommendation, a sprint breakdown, and a cost range in INR and USD, not a generic estimate built around a stack we picked in advance.

Start a project