Mobile
Flutter
Build Android and iOS apps from one shared codebase, so you launch on both platforms faster with a consistent experience.
Used for
- Mobile apps
- Delivery apps
- E-commerce apps
- Booking apps
Cross-platform mobile
Flutter app development for Android and iOS
One codebase, two app stores, and native code when a feature calls for it.
Flutter and the related logo are trademarks of Google LLC. We are not endorsed by or affiliated with Google LLC.
At a glance
The short version
What it is
Android and iOS apps from one Dart codebase, built by engineers who know when Flutter is the right call and when native code is needed.
- What we build
- How it works
- Customer app (Android or iPhone)
- Customer app
- Technician app
- Admin panel
- Runs on
- Cross-platform
- Android
- iOS
- Admin
- Built with
- and 2 more tools
- Cost depends on
- Number of apps
- Native modules
- Offline and sync
Flutter and the related logo are trademarks of Google LLC. We are not endorsed by or affiliated with Google LLC.
How to start
Tell us what you need in your own words. You talk to the developers who would build it and get a written, line-item estimate.
Get a project estimateWhere Flutter fits, and where it does not
Flutter works well when your app is mostly your own interface (catalogues, forms, maps, chat, checkout) and you want the same experience on Android and iOS from one team. Because Flutter renders every pixel itself, a custom design looks identical on a budget Android phone and a new iPhone.
It is a weaker fit when the product depends on deep platform integration, must feel exactly like stock iOS, or your team already has a large React codebase to share. Then we suggest native or React Native.
Apps we build with Flutter
Customer ordering apps
Grocery, food and retail apps with search, carts, UPI and COD checkout, tracking and offers.
Delivery partner and field apps
Task lists, navigation hand-off, OTP and photo proof of delivery, offline queues and background location.
Booking apps
Slots, reminders, payments, video consultations and ratings for clinics, salons and home services.
Staff tools
Stock counts, audits and approvals with role-based access and offline-first sync.
Rebuilds of ageing hybrid apps
Moving Ionic, Cordova or unmaintained apps to Flutter screen by screen, keeping the existing backend.
What Flutter changes for your project
Shared code
UI and logic written once; platform-specific code kept in small, tested modules.
Consistent design
Identical rendering across OS versions reduces visual QA per device.
Quick iteration
Hot reload shortens the loop between design feedback and a working build.
One team, one backlog
Fixes reach Android and iOS users in the same release.
Beyond phones when needed
Tablets, and web or desktop for internal tools, from the same codebase.
Solutions
Products we often build in Flutter
Grocery delivery apps for supermarkets, kirana chains and dark stores, with slots or express delivery, substitutions, picking and live tracking.
Food ordering and delivery apps for restaurants, chains and cloud kitchens, with menus and add-ons, kitchen displays, prep-time ETAs and delivery tracking.
Hyperlocal delivery apps linking neighbourhood stores, pick-up-and-drop requests and delivery partners within a city, with zone-based dispatch and pricing.
Rider app, driver app, dispatch engine and admin console for cab, auto, bike taxi, rental and outstation services, with UPI, cash and live tracking.
Customer app, professional app and admin panel for repairs, cleaning, appliance servicing and beauty at home, with slot booking, on-site quotes and payouts.
Appointment apps for clinics, polyclinics and hospital OPDs with slot and token booking, live queue status, reminders, prepayment and a reception console.
Android and iOS shopping apps with quick browsing, UPI checkout and push notifications, sharing one backend with your website.
How it works
How a home-services booking runs on Flutter apps
Two Flutter apps, one for customers and one for technicians, share code and a backend, and each works the same way on Android and iPhone.
- Customer app (Android or iPhone)
Step 1: Customer books a service
Whether they use an Android phone or an iPhone, customers see the same screens, choose an AC service and pick a time slot.
- Customer app
Step 2: Pays now or after the visit
UPI or card payment runs through the gateway’s Flutter plugin, or the customer chooses to pay after the job; the backend confirms payment either way.
- Technician app
Step 3: A technician accepts the job
The nearest free technician gets a notification and accepts the job in a second Flutter app that reuses the same design components.
- Technician app
Step 4: Navigates and starts with an OTP
The app opens directions to the address, and the job starts only when the customer shares an OTP, confirming the technician is really there.
- Technician app
Step 5: Photos, parts and the final bill
The technician uploads before-and-after photos and adds any spare parts; the final bill appears straight away in the customer’s app.
- Admin panel
Step 6: Rating and follow-up
The customer rates the visit, and your team sees jobs, payments and ratings in the admin panel, following up on low scores the same day.
Platforms
One Flutter codebase, several screens
The same code produces your app for Android and your app for iPhone and iPad; the admin dashboard runs in a browser for your team.
- Mobile
Cross-platform mobile app
One Flutter or React Native codebase for Android and iOS, with native modules where a feature needs them.
- Mobile
Android app
Apps for Android phones and tablets, tested on budget and mid-range devices and published on Google Play or privately.
- Mobile
iOS app
Apps for iPhone and iPad, built to Apple's guidelines and released through TestFlight and the App Store.
- Back office
Admin dashboard
Back-office panels for operations, support and finance teams: orders, users, content, reports and permissions.
Technology
Our Flutter toolkit, and what each part does
Flutter draws the app’s screens, Firebase sends notifications and crash reports, Node.js and NestJS run the backend, PostgreSQL stores bookings, Google Maps handles addresses and directions, Razorpay takes payments, and hosting is built on AWS.
Cloud & DevOps
Firebase
Ready-made building blocks for mobile apps, such as push notifications, phone OTP login and crash reports, so you launch sooner.
Used for
- Push notifications
- Phone OTP login
- Crash reports
- Real-time updates
Backend
Node.js
Runs the server side of apps: fast, scalable back ends that power your app, website and integrations.
Used for
- App back ends
- Live order tracking
- Chat and notifications
- Payment processing
Backend
NestJS
A structured way to build back ends on Node.js, so large business systems stay organised, testable and easy to hand over.
Used for
- Business app back ends
- SaaS platforms
- Marketplaces
- Admin panel back ends
Data
PostgreSQL
A reliable database for the records your business runs on: orders, payments, bookings and stock, kept accurate and easy to report on.
Used for
- Orders and customers
- Payments and ledgers
- Stock and inventory
- Bookings
Payments & maps
Google Maps Platform
Adds maps, address search, live tracking and travel-time estimates to delivery, ride and field apps, so orders reach the right door.
Used for
- Live delivery tracking
- Address search
- Store locator
- Distance-based fees
Payments & maps
Razorpay
Lets customers in India pay by UPI, cards, netbanking or wallets, and handles subscriptions, refunds and payouts to sellers or partners.
Used for
- UPI payments
- Cards and netbanking
- Subscriptions
- Payment links
Cloud & DevOps
AWS
Cloud hosting for your app, website and data, with data centres in India and room to grow when traffic rises.
Used for
- App hosting
- File and photo storage
- Backups
- Busy sale days
Flutter and the related logo are trademarks of Google LLC. We are not endorsed by or affiliated with Google LLC.
Comparison
Flutter, React Native or native?
The trade-offs we discuss at the start of each mobile project.
| Flutter | React Native | Native (Kotlin / Swift) | |
|---|---|---|---|
| Language | Dart | TypeScript | Kotlin and Swift |
| How UI renders | Own rendering engine | Native platform views | Native platform views |
| Code sharing with a React website | Limited | Types, logic, API clients | None |
| New OS features | Plugins or native code | Libraries or native code | Direct |
| Suited to | Custom-designed apps on both stores | Teams already using React | Platform-heavy apps |
Plain-English glossary
Flutter terms, in plain English
- Cross-platform, the Flutter way
- Writing an app once and releasing it on both Google Play and the App Store. Flutter draws every button and screen itself, so your design looks the same on a budget Android phone and a new iPhone.
- Native code
- Code written only for Android (in Kotlin) or only for iOS (in Swift). A Flutter app can include small pieces of it for features no plugin covers, such as certain printers or home-screen widgets.
- Plugin
- A ready-made package that connects Flutter to a phone feature or service, like the camera, maps or a payment gateway. We check that each plugin is actively maintained before relying on it.
- Platform channel
- The bridge a Flutter app uses to call native Android or iOS code. It is how we add a device feature that Flutter and its plugins do not cover out of the box.
- Hot reload
- A developer tool that shows code changes on a test phone within seconds. It shortens the gap between your feedback on a screen and a working version of it.
- Dart
- The programming language Flutter apps are written in. Developers who know Java, Kotlin or JavaScript usually pick it up quickly, so hiring or handing over the code is manageable.
Product preview
The same Flutter app on Android and iPhone
Illustrative screens from a home-services product: a customer app and a technician app, both built with Flutter, and the admin panel.
Customer app for Android. On an Android phone, customers browse services with clear prices and durations, drawn by Flutter exactly as your designer intended. 
Customer app for iPhone. The same code runs on iPhone, so slot booking behaves identically on both platforms and one fix reaches every customer in the same release. 
Technician app. Technicians see the day’s jobs with distance and time, start each one with the customer’s OTP and upload photos, even on a weak signal. 
Admin panel. Your team assigns technicians, watches progress and follows up on low ratings in a browser-based panel that shares the apps’ backend.
Illustrative preview
Sample screens: names, prices and figures are examples, not client data.
Work
Illustrative Flutter projects
Sample projects, not client work, showing how we would plan customer, delivery partner, doctor and clinic apps in Flutter.
Delivery app development
Illustrative sampleHyperlocal grocery delivery platform
An illustrative platform for neighbourhood grocery stores: slot or express delivery, store picking, batched delivery runs, and payment by UPI or cash on delivery.
- Retail
- Mobile + web platform
Runs on
- Android
- iOS
- Cross-platform
- Admin
Built with
- Flutter
- NestJS
- PostgreSQL
- Redis
- AWS
- +1 more
Healthcare software
Illustrative sampleClinic booking & telemedicine app
An illustrative patient app, doctor app and clinic admin for in-person and video consultations, with digital prescriptions and consent-based record access.
- Clinics
- Patient + doctor apps
Runs on
- Android
- iOS
- Cross-platform
- Admin
Built with
- Flutter
- NestJS
- PostgreSQL
- AWS
- Firebase
- +1 more
Industries
Industries with a mobile-first audience
Cost drivers
What affects a Flutter estimate
Number of apps
A delivery platform often needs customer, store and delivery partner apps plus an admin panel.
Native modules
Hardware without a maintained plugin, such as some printers or payment terminals, needs Kotlin and Swift.
Offline and sync
Working without a network needs local storage, conflict handling and background sync.
Design depth
Custom animation and a bespoke design system take longer than themed standard components.
Backend scope
APIs, admin tools and integrations are often a bigger share of effort than the app itself.
Estimates are written from your scope, with the effort and assumptions behind each line item.
How pricing worksProcess
How we ship a Flutter app
Capability check
Every device feature the app needs, with plugin support confirmed or native modules planned.
You getFeasibility notes
Design and component library
Screens designed once, keeping platform conventions users expect, such as Android back navigation.
You getFigma prototype
Sprints with test builds
Android builds through Firebase App Distribution and iOS builds through TestFlight every sprint.
You getInstallable builds
Device testing
Low-RAM Android phones and older OS versions, plus widget and integration tests in CI.
You getTest report
Store release
Play Console and App Store Connect setup, listings, privacy declarations and staged rollout.
You getLive apps
Maintenance
Flutter SDK and plugin upgrades, yearly OS compatibility work and crash monitoring.
You getUpdate plan
FAQ
Frequently asked questions
Is Flutter suitable for a production app, or only for MVPs?
Flutter runs many large production apps, not only prototypes, with stable tooling and official plugins for maps, Firebase and the camera. Production readiness depends more on engineering practice than on the framework: clean architecture, tests, crash monitoring and planned SDK upgrades. We build MVPs with the same structure so they can grow without a rewrite.
Will a Flutter app run smoothly on low-end Android phones?
Usually, if it is built with those phones in mind. Flutter apps carry the engine in the download, so we keep assets lean and use app bundles to limit size. Smoothness depends on keeping heavy work off the UI thread, resizing images and paginating long lists. We profile on entry-level devices during development, not after launch.
What if we need a feature Flutter does not support?
Flutter talks to native code through platform channels, so anything Android or iOS can do, a Flutter app can do with some Kotlin or Swift. Typical examples are home-screen widgets, specific Bluetooth devices, payment terminals and some background tasks. We identify these in the capability check, estimate them separately and keep native modules small and tested.
Can Flutter also build our website?
Flutter web works for app-like tools such as dashboards and internal portals, where users sign in and search engines do not matter. For marketing sites, storefronts and content that needs to rank, we recommend Next.js, which serves fast, crawlable HTML. Both can share one backend, so you get a web store and a Flutter app without duplicated business logic.
How much code is shared between the Android and iOS versions?
Typically most of it: screens, state management, networking and business logic. Platform-specific work is usually limited to permissions, push notification setup, payment SDK details, store configuration and any native modules. The exact share depends on the device features you use, so we confirm it in the capability check rather than quoting a percentage upfront.
Next step
Thinking of Flutter for your next app?
Tell us the device features and integrations you need. We will confirm whether Flutter suits them and estimate each app.