Shared Dart codebase
One codebase for iPhone and Android, structured with Riverpod or Bloc so features stay easy to add.
The Problem
Flutter Apps That Were Fast to Build and Slow to Change
Flutter gets a first version out quickly. Trouble arrives later, when state logic is scattered, packages are abandoned, and every change breaks a screen nobody tested.
01 · Tangled state
Business logic is buried inside widgets across the app.
One state approach, Riverpod or Bloc, keeps logic out of the widgets.
02 · Stale packages
A key plugin hasn't been updated since its author left.
We check each package's upkeep before using it, or write our own.
03 · No tests
Every release breaks something on one platform.
Widget and integration tests run on core flows before every build.
04 · Slow changes
A simple new filter takes two weeks to ship.
A written architecture note keeps new features small and estimates predictable.
Your Flutter app reached both stores in record time. Six months later, adding a simple filter takes two weeks. Business logic lives inside widgets, three different state approaches fight each other, and a payment package hasn't been updated since its author moved on. There are no tests, so every release breaks something on one platform. Your users find the bugs before your team does, and the next feature keeps slipping.
We start with the structure: one state approach, Riverpod or Bloc, written down in an architecture note your next developer can read. Then we keep business logic out of widgets, check every package before it goes in, and cover your core flows with widget and integration tests. Releases stop being a gamble, because the tests run before every build.
One Dart codebase
iPhone and Android builds come from the same Dart code, so features ship on both together.
Tests on core flows
Widget and integration tests cover sign-up, checkout, and the other flows that earn you money.
Native when needed
Platform channels reach Swift and Kotlin code when a feature has no reliable package.
Our Flutter App Development Process
From Prototype to Both App Stores in Five Steps
Our Flutter app development services follow five steps. You approve each one and test builds on an iPhone and an Android phone after every sprint.
On a free call, you share your idea, your users, and any designs you have. We list the features that need device access and check which Flutter packages cover them. You get a scope and a fixed-price proposal.
What's Included
What You Get With Our Flutter Mobile App Development Services
A structured Dart codebase, platform-aware screens, native features, automated tests, your backend, and releases to both stores, in a repository you own.
Compare Options
DeveloperLook vs a Low-Code Builder vs Two Native Apps
A low-code builder is the fastest way to a first version, and two native apps give the deepest device access. A Flutter app development company sits between them: one codebase with full code control.
| Feature | DeveloperLookBest fit | Low-code builder | Native apps |
|---|---|---|---|
| Codebases to maintain | One Dart codebase | One project in the builder | Two: Swift and Kotlin |
| Speed to first build | A few weeks | Fastest | Slowest |
| Custom logic | Full Dart code | Custom code where allowed | Full native code |
| Device features | Plugins plus native channels | The builder's supported list | Full access |
| Automated tests | Core flows covered | Limited | Two test suites |
| Web or desktop build | Same codebase | Depends on the builder | Separate projects |
| Upfront cost | From $1,200 | Lowest to start | Highest |
| Code ownership | Yours, in your repo | Export rules apply | Yours |
DeveloperLook
Low-code builder
- Codebases to maintain
- DeveloperLook: One Dart codebaseLow-code builder: One project in the builder
- Speed to first build
- DeveloperLook: A few weeksLow-code builder: Fastest
- Custom logic
- DeveloperLook: Full Dart codeLow-code builder: Custom code where allowed
- Device features
- DeveloperLook: Plugins plus native channelsLow-code builder: The builder's supported list
- Automated tests
- DeveloperLook: Core flows coveredLow-code builder: Limited
- Web or desktop build
- DeveloperLook: Same codebaseLow-code builder: Depends on the builder
- Upfront cost
- DeveloperLook: From $1,200Low-code builder: Lowest to start
- Code ownership
- DeveloperLook: Yours, in your repoLow-code builder: Export rules apply
Projects We've Built
Apps We Have Designed and Built
Pet care, fashion ecommerce, tour booking, and medical appointment apps from our portfolio, shown for their flows and screens rather than their framework.
TailWag Pet Care App Design & Development
- Pets
- Booking System
- Mobile App
Unicom Fashion Ecommerce App and Admin Dashboard
- Fashion
- Dashboard
- E-commerce
NextWay Tour Booking App and Operator Dashboard
- Travel
- Vacation Rental
- Booking System
TruDoc Medical Appointment App Design & Development
- Medical
- Booking System
- Dashboard
What Our Clients Say
What Clients Say After Launch
Feedback from teams we have built apps and software for.
We had a pretty specific idea of what we wanted our website to become, but I wasn’t sure how easily we could explain all of it to a development team. There were quite a few moving parts, and we were working toward a deadline, so I expected a few things to get lost along the way. That never really happened. They understood what we were trying to achieve, kept us updated throughout the process, and got everything ready within the agreed timeline. The final site feels much easier to navigate, works beautifully on mobile, and is noticeably smoother for our customers. It was a huge relief seeing the original idea actually turn into the website we had in mind.
The mobile experience is probably my favourite part of the new site. We had spent a lot of time making sure the desktop version looked right, and the team kept pushing us to think about how everything would actually feel on a phone too. They were right. The navigation is clean, the interactions feel natural, and everything we’ve tested so far works exactly as it should. They also went through the links, forms, integrations, and other details more than once before launch, which I really appreciated. And even after going live, we could still reach out when something came up. The whole process felt friendly, organised, and surprisingly straightforward.
What I appreciate most is that the website is actually easy for us to manage now. We can update content ourselves instead of sending a developer a message every time we need to change something small. They also paid attention to the technical SEO side, which mattered to us because we didn’t want a new website to create problems for the traffic we already had. I’ve probably asked more questions than I should have since launch, but every question has been handled patiently and without any fuss. The team is easy to work with, they explain things clearly, and when we need something changed, they focus on getting it done rather than making the process complicated.
1,250+
Projects shipped
10+
Years of experience
Top 3%
Upwork Top Rated Plus
5 stars
Average review score
Want results like these?
Tell us what you are building. You get a reply within 24 hours on business days, then a written estimate.
Work Culture
Why Product Teams Trust Us With Their Flutter App
A Flutter app stays cheap to change only when it's built with care. These are the habits that keep yours that way after launch.
Architecture written down
Every app gets a short architecture note: state approach, folders, and naming. Your next developer reads one page instead of guessing from the code.
Packages checked before use
We check each package's maintenance, license, and platform support before adding it. One abandoned plugin can block an iOS or Android update for weeks.
Tests that guard revenue
Sign-up, payment, and booking flows get integration tests first. Those are the screens where a silent bug costs you customers.
Both platforms on real phones
We test every build on an iPhone and an Android phone, old and new. Flutter draws its own interface, so platform quirks still need human eyes.
Your repository, your stores
Code lives in your GitHub from the first commit, and both store accounts stay in your name. Switching teams later doesn't mean starting over.
Honest about Flutter web
Flutter web suits app-like tools, not text-heavy sites that need search traffic. If your marketing site needs to rank, we'll recommend building it separately.
Overview
How do Flutter app development services work for iOS and Android?
DeveloperLook provides Flutter app development services for founders and product teams that need iOS and Android from one codebase. We set the architecture, build Dart screens, connect your backend, test core flows, and release to both stores. Prices start at $1,200, most apps reach both stores in 8 to 16 weeks, and the code stays in your repository.
DEVELOPERLOOK
Project facts · Flutter App Development Services
- Service
- Flutter App Development Services (one codebase, tests, both stores)
- Typical timeline
- About 2 weeks to a prototype, 8 to 16 weeks to launch
- Platforms
- iOS and Android, plus web and desktop when needed
- Built with
- Flutter, Dart, Riverpod or Bloc, Firebase, and Supabase
- Experience
- 10+ years of development experience and 1,250+ shipped projects
- Post-launch support
- 30 to 60 days after store release, depending on plan
- Communication
- Calls in US, UK, and AU business hours
- Starting price
- From $1,200 USD, fixed scope after discovery
Reviewed 8 Oct 2026 by Saimul Islam
Good fit
Founders funding one app for both stores
You need your app on iPhone and Android at launch, and your budget covers one team and one codebase, not two.
Teams rescuing a messy Flutter app
Your Flutter app works, but every change breaks another screen, and you need tests and structure before the next feature.
Product teams adding web or desktop
Your mobile app is in Flutter, and you want a web or desktop version of the same screens without rebuilding the logic.
Companies comparing Flutter vendors
You're comparing flutter app development companies and want one that shows tests, an architecture note, and code you own.
Agencies needing Flutter capacity
Your agency sold a Flutter app and needs to hire Flutter app developers who deliver under your brand and deadline.
Not a fit
Prototype in a builder
You want a visual builder you can edit yourself before investing in code. Our FlutterFlow Developers for Hire page covers that route.
Apple-only features
Your app lives on HealthKit, widgets, and other Apple-only features for iPhone users. Our iOS App Development Services page covers native Swift.
Budget under $1,200
Your budget is under $1,200, or a mobile-friendly website meets your users' needs. If a website is enough, we'll tell you before we quote.
Text-heavy website
You need a content site that ranks in search, like a blog or marketing pages. Flutter web isn't built for that job; a regular website is.
Not sure we're the right fit?
Book a free call or message us. We'll tell you honestly whether we're the right team.
Pricing
Transparent Starting Prices for Flutter App Development Services
These are starting points in USD. Your final price depends on screens, native features, and extra platforms like web, and you get a fixed proposal after a free discovery call.
For teams that need proof both platforms work before the full budget is spent. About 2 weeks.
$1,200one-time, USD
- Flutter build of your core flow
- Installed on iPhone and Android test tracks
- Integration test for that flow
- Architecture note: state, data, and packages
- Package check for native features
- Fixed quote for the full app
Recommended
For a first release on the App Store and Google Play from one codebase. About 8 to 12 weeks.
$4,300one-time, USD
- Everything in Flutter Prototype
- Up to 15 screens on iOS and Android
- Sign-in, account deletion, and push
- Widget and integration tests on core flows
- Firebase, Supabase, or API connection
- Both store releases and 30 days of support
For apps that add a web or desktop build, offline use, or custom native features. About 12 to 16 weeks.
$8,400one-time, USD
- Everything in Flutter App for Both Stores
- Flutter web or desktop build of key screens
- Offline data and background sync
- In-app purchases or Stripe payments
- Custom platform channel for one native feature
- 60 days of post-launch support
For Agencies
White-Label Flutter App Development for Agencies and Studios
You keep the client relationship. Behind the scenes, we act as your Flutter app development agency: one Dart codebase, tests on core flows, and releases to both stores under your client's accounts and your brand.
How the partnership works
White label: your client only ever sees your brand
- Your client
- You, the agency
- DeveloperLook
Share the brief
Send the idea, any designs, the platforms you need, and your client's launch date.
- Client needs
- You share the details
- Details received
We plan the architecture
You get a package check, an architecture note, and a fixed price to resell.
- Scope and plan
- Proposal to resell
- Your quoteYOUR LOGO
Build and hand off
We build, test, and release both apps under your client's store accounts.
- Done by our team
- Your brand on it
- Handed to your clientDone
Partner with DeveloperLookDelivered under your brand
Stay client-facing
Both store listings sit under your client's accounts, with you as the contact.
Predictable delivery
iPhone and Android builds your client can test after every sprint.
Senior Flutter engineers
Dart, Riverpod, Bloc, and platform channel work from experienced Flutter developers.
Flexible capacity
Hand us a full app, a rescue, or one native feature.
The Right Technology for Your Project
Technology Stack
Flutter and Dart for the app, native Swift and Kotlin where a feature needs them, and release tools that ship both platforms together.
Flutter
Dart- Riverpod
- Bloc
- Swift
- Kotlin
- Xcode
- Android Studio
Firebase
Supabase
SQLite
GraphQL
Node.js
- Codemagic
- fastlane
- Sentry
- GitHub Actions
FAQ
Frequently Asked Questions
Straight answers on Flutter costs, what Flutter suits, Flutter web, and hiring Flutter developers.
Saimul IslamFounder & CEO, DeveloperLookStill have questions?
Send a message or book a call with the team.
Flutter app development at DeveloperLook starts at $1,200 for a working prototype of your core flow on iPhone and Android. An app released to both stores with sign-in, push, and tests starts at $4,300. Apps that add a web or desktop build, offline sync, or payments start at $8,400. Store fees are paid by you: $99 a year for Apple and $25 once for Google Play.
Flutter app development is building iOS and Android apps from one Dart codebase with Google's Flutter framework. Flutter draws its own interface, so screens look the same on both platforms, and it compiles to native code for each. The same project can also produce web, Windows, macOS, and Linux builds. Device features come through plugins or platform channels to Swift and Kotlin.
Flutter is used for cross-platform apps: customer apps, booking and ordering apps, internal tools, and dashboards that run on phones and sometimes the web. Teams pick it when they want iOS and Android released together by one team. It's a weaker fit for apps built around one platform's newest features, like a widget-heavy iPhone app.
Yes, Flutter is good for most business apps that need iOS and Android from one budget. It renders smoothly, has a large package ecosystem, and hot reload makes changes quick to try. The trade-offs are larger downloads than a minimal native app and new platform features that can arrive later through packages. For most apps, one codebase is worth those trade-offs.
Yes, Flutter is a strong choice for mobile app development when your users are split between iPhone and Android. One codebase keeps features, fixes, and releases in step on both stores. Camera, maps, payments, and push all have maintained packages, and platform channels cover anything missing. We still test each release on real phones from both platforms.
Flutter is good for web apps that behave like apps: dashboards, editors, and tools behind a login. Flutter's own documentation says text-rich, static content such as blog articles suits the document-centric web better. So we use Flutter web for the logged-in product and build your marketing site and blog separately, where search engines read them easily.
Use Flutter when you want one team shipping iOS and Android together without paying for two native builds. Shared Dart code keeps features in step, hot reload speeds up design changes, and the same project can grow into web or desktop later. It also suits brands that want a custom look that stays identical on both platforms.
Choose Flutter if your users are on both platforms, one team fits your budget, and no key feature depends on brand-new platform APIs. Choose native Swift or Kotlin when one does. If your developers already write React, React Native may suit them better. On the free call, we'll check your feature list and say which fits.
Hire Flutter app developers by checking released apps on both stores, a code sample with tests, and how they structure state. Ask any Flutter developer which state approach they use and why, and what they do when a package stops being maintained. A single freelancer can suit a small app, while a team covers design, backend, testing, and both releases.
Hire a Flutter app development company by asking for apps you can download, a sample architecture note, and test coverage from a past project. A good flutter mobile app development company quotes a fixed scope, sets up store accounts in your name, and keeps the code in your repository from day one. Also ask who updates Flutter and its packages after launch.
Saimul IslamFounder & CEO, DeveloperLookStill have questions?
Send a message or book a call with the team.
Free 30-min callGoogle Meet
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