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SERVICE

Cross-Platform Development

One Product. Every Screen. A Consistent Experience.

We build web applications that deliver a consistent, high-quality experience on every screen, from desktop browsers to tablets and phones, using responsive design and shared codebases that reduce cost and keep features in sync.

  • Responsive & adaptive interfaces
  • Shared component libraries
  • Desktop, tablet & mobile coverage
  • Cross-browser compatibility
  • Lower cost of maintenance
Cross-Platform Development
OVERVIEW

Cross-Platform Development built around how your business works.

Our goal

Deliver a consistent, high-quality product experience on every device from one codebase.

Your users switch between laptops, tablets, and phones throughout the day. We build web products that work seamlessly across all of them from a single, maintainable codebase.

Maintaining separate experiences for different devices is expensive and leads to inconsistent features and bugs.

We design responsive, adaptive interfaces that feel natural on every screen size and input method.

Shared component libraries and codebases keep features, branding, and behaviour consistent everywhere.

Where needed, we extend web apps to desktop with Electron or to mobile with shared React code.

The result is lower development cost, faster releases, and a better experience for users on any device.

What every engagement includes

  • Responsive & adaptive interfaces
  • Shared component libraries
  • Desktop, tablet & mobile coverage
  • Cross-browser compatibility
  • Lower cost of maintenance
WHAT WE DELIVER

Our Cross-Platform Development Services

Web products that work everywhere your users are.

HOW WE WORK

Our Cross-Platform Development process.

Transparent, sprint-based and built around decisions you can see. You know what ships, when, and why at every step.

Start Your Project
  1. 01

    Device & Usage Analysis

    Understanding which devices, browsers, and contexts your users rely on.

  2. 02

    Platform Strategy

    Deciding what to share across platforms and where to tailor experiences.

  3. 03

    Responsive UX Design

    Designing layouts and interactions for every breakpoint and input type.

  4. 04

    Component Library Development

    Building shared components and design tokens used across platforms.

  5. 05

    Cross-Device Testing

    Testing on real browsers and devices throughout development.

  6. 06

    Launch & Iteration

    Releasing to every platform together and improving based on usage.

RESULTS

What Every Engagement Covers

Consistent experiences with less duplicated effort.

One Codebase

Shared Across Screens and Platforms

Every Browser

Chrome, Safari, Firefox and Edge

Every Device

Desktop, Tablet and Mobile Layouts

In Sync

Features Released Everywhere Together

WHY CREUTO

Why Choose Creuto for Cross-Platform Development?

The reasons clients give when they recommend us, not the ones we would pick ourselves.

One Product. Every Screen. A Consistent Experience.

Our promise on every Cross-Platform Development engagement.

0+

Products delivered

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Years of engineering

0%

Client satisfaction

Start a conversation
  1. /01

    Consistency by Design

    Shared design systems keep every platform on-brand and predictable.

  2. /02

    Lower Total Cost

    Less duplicated code means faster delivery and cheaper maintenance.

  3. /03

    Real-Device Testing

    We test on real browsers and devices, not just resized windows.

  4. /04

    Pragmatic Platform Choices

    We share code where it helps and tailor experiences where it matters.

  5. /05

    Accessibility Everywhere

    Accessible interfaces across screen sizes and input methods.

  6. /06

    Future-Ready Architecture

    Easy to extend to new platforms as your product grows.

INDUSTRIES

Industries we deliver Cross-Platform Development for.

Sector pages with the solutions, compliance, integrations and FAQs specific to each market.

TECHNOLOGY STACK

Technology stack for Cross-Platform Development at Creuto.

Chosen per project for longevity, hiring depth and fit with your existing systems, never by fashion.

/01Web and backend

  • React
  • Next.js
  • TypeScript
  • Node.js
  • NestJS
  • Python
  • Django
  • .NET
  • Java

/02Mobile

  • Swift
  • SwiftUI
  • Kotlin
  • Jetpack Compose
  • Flutter
  • React Native

/03Data

  • PostgreSQL
  • MongoDB
  • Redis
  • Elasticsearch
  • BigQuery
  • Snowflake

/04AI and analytics

  • Claude
  • OpenAI
  • LangChain
  • PyTorch
  • TensorFlow
  • pgvector
  • Pinecone

/05APIs and integrations

  • REST
  • GraphQL
  • gRPC
  • Webhooks
  • Kafka
  • RabbitMQ
  • Stripe

/06Cloud and DevOps

  • AWS
  • Azure
  • Google Cloud
  • Docker
  • Kubernetes
  • Terraform
  • GitHub Actions

/07Security and identity

  • OAuth 2.0
  • OpenID Connect
  • SAML
  • Auth0
  • Keycloak
  • AWS KMS
  • Vault

/08Quality and observability

  • Jest
  • Playwright
  • Cypress
  • pytest
  • Sentry
  • Grafana
  • Datadog
TESTIMONIALS

Don't take our word for it.

Founders and product leaders on what it is like to build with Creuto.

“They built a technically robust platform and ensured it was intuitive and accessible for investors of all levels.”

Thanks to Creuto's work, the client saw steady app growth in transactions and SIPs, full regulatory compliance, and positive user feedback. The team had excellent project management, delivered timely milestones, and communicated proactively. Creuto's understanding of the client's industry stood out.

CW

Colton Wade

CEO, Breuto

Read on Clutch

More client voices

/01 of 06

on Clutch
FAQ

Frequently Asked Questions

Straight answers about Cross-Platform Development projects. If yours is not here, ask us directly.

Ask our team

Not exactly. We build web apps that work on every device, and where you need a store-installed app, we can share code with React Native or package the web app as a PWA or desktop app.

We adapt layouts, navigation, and interactions for each screen size and input method so the product feels natural everywhere.

Current versions of Chrome, Safari, Firefox, and Edge by default, with older browser support agreed per project.

Yes. We can audit and refactor existing web apps to be fully responsive and touch-friendly.

LET'S BUILD

Deliver One Great Experience on Every Screen.

Responsive, consistent web products built from a single codebase.

  • Reply within one business day
  • NDA on request
  • Senior engineers only
  • Fixed scope, no surprises