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Flutter app development for iOS and Android from one codebase
We build Flutter apps for iOS, Android and the web from a single codebase, with the back end, sign-in and payments your product needs. When a visual builder is enough we'll say so and build in FlutterFlow instead, and when it isn't, Flutter gives you a codebase your own engineers can take over.
Codebase for iOS, Android and the web
Published builds in our portfolio
Published builds with a Supabase database
Fixed quote after the first call
1class BookingScreen extends StatelessWidget {2 @override3 Widget build(BuildContext context) {4 return Scaffold(5 appBar: AppBar(title: Text('Sessions')),6 body: SessionList(),7 bottomNavigationBar: ElevatedButton(8 onPressed: book,9 child: Text('Book a session'),10 ),11 );12 }13}
What is Flutter app development?
Flutter is Google's open-source toolkit for building apps from one codebase, written in the Dart language. Flutter app development means designing and coding the app's screens and logic once, then shipping builds to iOS and Android, and to the web, without maintaining separate apps.
Who this is for
If any of these sound like your week, you're in the right place.
Products that need one app on iOS and Android without two separate builds.
Teams who've outgrown a no-code app and need custom features or performance.
Businesses that want a codebase their own engineers can own after launch.
Founders with a FlutterFlow prototype ready to move to full Flutter code.
What we typically build
One app on every platform
A single Flutter codebase shipped to the App Store and Google Play, with the web as a third target where it helps.
From prototype to production
A FlutterFlow or no-code prototype rebuilt or extended in Flutter when custom features or performance call for code.
Back end, sign-in and payments
Supabase or Firebase for data and accounts, and Stripe for payments, connected and tested before launch.
A codebase you can hand over
Readable, documented code and a walkthrough, so your own engineers can take over after launch.
Planning separate iOS and Android apps?
Show us what the app needs to do on a free 30-minute call, and get a fixed quote within 24 hours.
What a Flutter app connects to.
The services most Flutter apps lean on, all ones we already build with: data, sign-in, payments, maps and AI.
FirebaseAUTH & DATA
SupabaseDATABASE
StripePAYMENTS
Google MapsMAPS
FigmaDESIGN
OpenAIAI
Google AnalyticsANALYTICS
Google CloudSTORAGEHow it works
- PHASE ONE01
Scope the first version
A short call on who the app is for and the features it needs first. Fixed quote within 24 hours.
- PHASE TWO02
Design the screens
Screens and flows agreed with you before any code, including how each platform should feel.
- PHASE THREE03
Build and test on devices
The app coded and connected to its back end, then tested on real phones.
- PHASE FOUR04
Launch and hand over
Submitted to the stores under your accounts, with the code documented for whoever maintains it.
Fixed prices. Fixed timelines.
No surprises.
Pick the tier that fits, or talk to us if you're not sure.
Answer five questions and we'll tell you which fits. No email required.
Portal Starter
Best for solo founders, small teams
Fixed price and date agreed before we start
Portal Pro
Best for growing teams, agencies
Fixed price and date agreed before we start
Custom Build
Best for marketplaces, complex logic
Fixed price and date agreed before we start
MVP Sprint
Best for founders validating an idea
Fixed price and date agreed before we start
Who builds your app
The same three people scope it, build it and hand it over.
Scopes the first version with you and sets the fixed quote.
Leads the screens and front end, so the app holds up on every phone.
Reviews for the builders who'd build your app
Verified Upwork reviews left for the builders on this page.
"Vaibhav delivered on a very tight timeline and got our Softr app polished and launch-ready. He handled multiple pages and made sure the product felt consistent and mobile-first. Communication was clear, and he had a strong eye for UI/UX. Would hire again."
"Mehtab delivered exceptional work, showing deep expertise in JavaScript and exceeding our expectations on every aspect of the project."
"I'm really pleased with Mehtab's work, and he understood my needs completely. He was prompt and clear in communicating at every stage. I'll work with him again and recommend him to others."
Talk directly to the people who'll build it
Vaibhav scopes every build himself, with Vijay and Mehtab on the work.
Frequently asked questions
Not covered here? Bring the list of features your first version needs.
See FlutterFlow development if a visual builder covers what your first version needs.
Ready to build your app once, for every platform?
Tell us what your app needs to do. You'll have a fixed quote within 24 hours.