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20+ AI products live in production · 600+ software projects delivered · Teams in 60+ countries · 20+ languages · ▲ New: Scale AI Calling — voice agents that talk like people · Voice · Social · WhatsApp · Email · Dining · Travel
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Cross-platform · Flutter & Dart

Flutter apps from one codebase.

We build fast, beautiful Flutter apps that ship to iOS and Android from a single Dart codebase — pixel-perfect UI, native-grade performance, and a fraction of the cost and time of building two separate apps.

1
codebase
iOS
+ Android
60fps
UI
scaleus.in/services in build
Your App
Tech we use
Flutter Dart Firebase Riverpod / Bloc REST / GraphQL CI/CD
What’s included
  • Single Dart codebase for iOS & Android
  • Native-grade 60fps UI & animations
  • Custom UI matched to your exact brand
  • Firebase, REST & GraphQL integration
  • Offline-first storage & background sync
  • App Store & Play Store launch handled
Book a free consultation
End to end, by our team

What we build.

Everything Flutter App Development includes — designed, built and shipped for you.

One codebase, both stores

Write once in Flutter and ship to iOS and Android with the same look, logic and speed — no two teams, no drift between platforms.

Dart Single codebase Shared logic Faster delivery
Native performance

Compiled to native ARM with 60fps rendering and fluid animations.

AOT compiled 60fps Skia
Custom UI & motion

Bespoke widgets and micro-interactions that match your brand exactly.

Custom widgets Animations Theming
Backend & integrations

Firebase, Supabase or your own API — auth, push, payments, realtime and analytics wired in cleanly.

Firebase REST / GraphQL Push Payments Realtime
State & architecture

Maintainable architecture with Riverpod or Bloc — tested and documented for the long run.

Riverpod / Bloc Tested Documented
Launch & maintenance

Store submission, staged rollout, crash monitoring and ongoing updates.

App Store Play Store Crash monitoring
Simple, transparent process

How we work.

01

Discover

We map your goals, users and scope into a clear plan and fixed quote.

02

Design

Wireframes and a clickable UI you sign off before we build.

03

Build

Agile sprints with demos and milestones you approve as we go.

04

Launch

Store submission, monitoring and support after you go live.

By the numbers

Flutter App Development by the numbers.

1
Codebase

We build fast, beautiful Flutter apps that ship to iOS and Android from a single Dart codebase — pixel-perfect UI, native-grade performance, and a fraction of the cost and time of building two separate apps.

iOS
+ Android
60fps
UI
4.9*
Store rating
24/7
Support
How we compare

Scale Us vs the alternatives.

An honest look at building Flutter App Development with us versus the usual options.

Scale Us
recommended
Freelancers
Big agencies
Fixed scope & quote
You own the code & IP
Senior, in-house team
Products + services in one
Support after launch
Transparent pricing
FAQ

Questions answered.

Still unsure? Email contact@scaleus.in — a real human replies inside 4 hours.

Is Flutter good for production apps?

Yes — Flutter is used in production by thousands of companies. It compiles to native code, delivers 60fps UI, and is backed by Google. For most apps it is as capable as native, at lower cost.

Will one Flutter app really work on both iOS and Android?

Yes. We build from one Dart codebase that ships to both stores with the same features and design, with platform-specific polish where it matters.

Can you add native device features?

Absolutely — camera, biometrics, Bluetooth, maps, payments and more, via plugins or custom platform channels we write.

How long does a Flutter app take?

Most Flutter apps ship in 6–12 weeks depending on scope, delivered in milestones you sign off as we build.