Flutter Development

Overview

What we deliver

We build Flutter apps for iOS, Android, and web from a single Dart codebase, with custom UI and platform integrations where needed.

We use Flutter to build cross-platform applications for B2B teams that need consistent UI and feature behavior across iOS, Android, and web. Our engineers work in Dart with a clean architecture approach, well-defined state management using Bloc or Riverpod, and platform channels for features that need direct iOS or Android APIs. Each engagement starts with discovery and scoping, then moves into design system setup, sprint-based delivery, and store submission. We handle integrations with REST and GraphQL APIs, Firebase, in-app purchases, secure storage, and analytics. We also set up CI and automated testing so future builds stay predictable. Flutter is a strong fit when you want pixel-level control over UI, a single design language across platforms, and a stable engineering effort that does not require separate iOS and Android teams. We document the codebase and structure projects so internal teams can take over.

Fit Check

Built for teams like yours

Who it's for

B2B SaaS teams targeting multiple platforms
Startups shipping mobile and web together
Enterprises with custom UI requirements
Product teams with a single design system
Internal tools and field operations teams

Pain points we solve

UI drift across iOS, Android, and web
High cost of separate platform teams
Slow release cycles across codebases
Limited engineering capacity
Inconsistent design system implementation

What's included

Capabilities

Everything we cover in this engagement.

Flutter and Dart development
Custom UI and design system implementation
State management with Bloc and Riverpod
REST and GraphQL integration
Firebase integration
Platform channels for native APIs
CI and automated testing setup
App Store and Google Play submission

How we work

Our process

A clear, predictable path from kickoff to outcomes.

01

Discovery

We confirm platforms, features, and design goals to scope the project.

02

Architecture and design

We define modules, theming, and state management patterns.

03

Sprint build

We deliver features in two-week sprints with internal test builds.

04

QA and store prep

We run device testing and prepare iOS and Android store assets.

05

Launch and support

We publish builds and provide ongoing maintenance through a retainer.

What you get

Deliverables & outcomes

What you get

Flutter app for selected platforms
Dart source code and documentation
Design system in Flutter
App Store and Google Play listings
CI pipeline and release scripts
Analytics and crash reporting setup

Outcomes you can expect

Consistent UI across platforms
Lower long-term build cost
Faster release cycles
One team for multiple targets
Clear path to internal handover

Timeline

10 to 22 weeks

Engagement

Monthly retainer, Project, Sprint

Tools we use

Flutter, Dart, Firebase, Codemagic, Fastlane

KPIs we track

Crash-free sessions, Release frequency, App Store rating, Play Store rating, Retention rate

Client stories

What clients say

"

Two weeks before our seed round we still did not have a defensible model. Their fractional CFO rebuilt our three-statement forecast, pressure-tested the assumptions, and walked me through every line before the partner meeting. We closed 1.4M on the terms we wanted. The investor specifically called out how clean the financials looked compared to the last five decks she had seen.

Hannah B.

"

Our old site was a Frankenstein of three previous agencies. We gave them a hard launch date tied to a trade show and they actually hit it. 47 templates, full product catalog migration, no broken redirects on go-live day. Our previous vendor missed the same deadline twice. This time my phone stayed quiet on launch morning.

Marcus L.

Proof