95%
Native parity
Codebase
95%
Native rendering performance
30+
Apps shipped
6-12wks
From kickoff to App Store
6+
Years delivering products
95%
Native rendering performance
30+
Apps shipped
6-12wks
From kickoff to App Store
6+
Years delivering products

The short answer

Under the hood · How it works

Flutter is Google’s open-source UI toolkit for building natively compiled apps from a single codebase. Unlike React Native—which bridges JavaScript to native components—Flutter compiles directly to native ARM code and renders every pixel using its own Impeller 2.0 engine. The result is 60–120fps performance, pixel-perfect UI fidelity across platforms, and zero rendering surprises.

Bolder has been building production Flutter apps since 2019. We use it for cross-platform mobile apps, SaaS dashboards, construction field tools, and on-demand marketplaces—anywhere you need consistent UI and performance across iOS, Android, and web without maintaining three separate codebases.

The conversations that bring Flutter projects to Bolder.

Real scenarios that bring Flutter projects to Bolder. If one of these sounds familiar, we’ve solved it before.

Cross-platform mobile apps

One Flutter codebase ships to iOS, Android, and web simultaneously. No parity drift between stores, no duplicate codebases to maintain, no separate QA cycles per platform.

Construction field apps

Custom ACC, Procore, and Buildertrend companion apps that sync job cost data, RFIs, and daily reports in real time. Built for field crews on-site, offline-first.

On-demand marketplace apps

Rider/driver flows, real-time maps, Stripe Connect payouts, and multi-role architecture. Flutter handles the animation complexity that makes on-demand feel premium.

SaaS dashboards & portals

Web and mobile Flutter apps for internal tools, client portals, and data-heavy dashboards with consistent UI across every device and screen size.

Health & wellness platforms

Healthcare and wellness apps with HIPAA-compliant architecture, biometric authentication, HealthKit and Google Fit integrations, and 60fps charting interfaces.

Premium UI-first consumer apps

Flutter's Impeller 2.0 render engine makes it the only cross-platform choice for apps where micro-interactions, custom animations, and brand UI fidelity are non-negotiable.

Custom UI & Animation Systems

We build bespoke widget systems and animation pipelines using Impeller 2.0. No off-the-shelf component libraries — everything matches your brand and performs at 60–120fps.

Language
Dart
Platforms
iOS · Android · Web · Desktop
Render Engine
Impeller 2.0
Performance
90–95% native

True Cross-Platform Architecture

One Dart codebase compiles to iOS, Android, and web. No React Native bridge, no WebView wrappers — native ARM code with platform-specific UI adaptations where needed.

Codebase
Single Dart codebase
Compilation
Native ARM (iOS + Android)
Web target
Flutter Web / WASM
Maintenance
One team, one release cycle

CI/CD & App Store Pipeline

Weekly TestFlight and staging builds from day one. Fastlane automates signing, versioning, and submission. App Store and Play Store submission is handled by Bolder — it's in scope.

Build cadence
Weekly TestFlight builds
CI tool
Fastlane + GitHub Actions
Signing
Automated via Fastlane
Submission
Handled by Bolder

Scalable State Management

BLoC pattern with clean architecture separates UI, business logic, and data layers. Scales from MVP to enterprise without rewrites. Every feature is independently testable.

Pattern
BLoC / Riverpod
Architecture
Clean Architecture
Testing
Unit + widget + integration
Scalability
Feature-first folder structure
Why Flutter

When Flutter is the right call.

Not every project needs Flutter. Here’s when it’s clearly the right call — and how it stacks up against the alternatives.

Pixel-perfect UI, in your brand language.

Bespoke widgets and animation pipelines powered by Impeller 2.0. No off-the-shelf component libraries — everything matches your brand and performs at 60–120fps.

One codebase. Three platforms.

iOS, Android, and web from a single Dart codebase. One release cycle, one QA process, no parity drift between stores.

Kickoff to App Store in 8–18 weeks.

Fixed scope, weekly TestFlight builds, App Store submission handled by Bolder. Kickoff to live app in 8–18 weeks.

BLoC pattern with clean architecture. Scales from MVP to enterprise without a rewrite.

BLoC pattern with clean architecture. Scales from MVP to enterprise without a rewrite.

React Native

Native

Single codebase
Custom UI control
Full
Partial
Full
Performance
95% native
90% native
100%
Web support
Limited
MVP speed
Fast
Fast
Slower
Best for
Premium UI, fast MVP
JS teams
Max performance
Single codebase
Custom UI control
Performance
Web support
MVP speed
Best for
Full
95% native
Fast
Premium UI, fast MVP

React Native

Partial
90% native
Limited
Fast
JS teams

Native

Full
100%
Slower
Max performance

Industries we’ve shipped Flutter apps for.

Flutter’s performance and UI flexibility makes it the right call across industries where the app experience is the product.

FinTech

We help fintech companies solve complex financial problems with secure, scalable technology that meets real business needs.

On-Demand

We build on-demand software that manages high traffic, real-time updates, and complex workflows with ease.

Construction

We help construction companies streamline operations with scalable software for project management, scheduling, field communication, and reporting.

Lifestyle

We build technology that supports long-term engagement and stable performance at scale.

Firebase

Auth, Realtime Database, Cloud Functions, and Firestore — the default Flutter backend stack.

Node.js

Custom REST and GraphQL APIs powering complex Flutter app backends.

Stripe

In-app payments, subscriptions, and Stripe Connect marketplace payouts.

AWS

Scalable cloud infrastructure, S3 for media, Lambda for serverless functions.

Supabase

Open-source Firebase alternative. Postgres database with Flutter SDK support.

Google Maps API

Location-aware Flutter apps with real-time tracking, routing, and geofencing.

OpenAI API

AI-powered Flutter features — chatbots, content generation, and smart workflows.

Auth0 / Clerk

Enterprise-grade auth for Flutter apps — SSO, MFA, and social login.

Bold Answers to Bolder Questions

Can't find what you're looking for? Get in touch with our team.

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Bolder Apps did everything in great detail, especially their scoping process. Their design skills really stood out throughout the project, and they were able to create a thoughtful final product that brought our vision to life.

Steve Anavi
Senior Manager, Qonto

Bolder Apps really took the time to understand what we were trying to achieve. They transformed our ideas into a user-friendly, polished product. The entire experience was smooth, and the end result was exactly what we were looking for.

Anna Haberfellner
Senior SDR, Rydoo

Bolder Apps moved the project very smoothly and made the entire process easy from start to finish. They were professional, always quick to answer any questions we needed, and great to work with. The final result was delivered exactly as promised.

Len Swegart
Senior Corporate Relations Manager, American Cancer Society
Get in touch

Let's discuss your goals

Schedule a meeting via the form here and we’ll connect you directly with our director of product—no salespeople involved.

What happens next?

Book a discovery call
Discuss and strategize your goals
We prepare a proposal and review it collaboratively
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