Cross-Platform App Development Cost & Pricing Guide
Stop guessing. Get a data-driven cost estimate for your React Native or Flutter app in under
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Build once, deploy everywhere, and cut your time-to-market in half.
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The Smart Way to Build Apps: Faster, Cheaper, Better
Launching on both iOS and Android is non-negotiable, but building two separate native apps is a massive drain on your budget and timeline. Cross-platform development is the strategic solution. It allows you to build a single application from one codebase that runs flawlessly on both platforms, drastically reducing costs and accelerating your time-to-market. Stop choosing between platforms and start reaching your entire audience, today.
Interactive App Cost Calculator
Get a real-time, ballpark estimate for your project. Adjust the options to see how different features impact the final cost and timeline.
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Your Estimated Investment
This is a ballpark estimate for planning purposes. The final cost depends on your specific requirements.
Key Factors Driving Your App Development Cost
Understanding the "why" behind the price is crucial. Here are the core components that determine the final investment for your cross-platform application.
Feature Complexity
The number and complexity of features are the biggest cost drivers. A simple informational app costs far less than one with real-time GPS tracking, payment gateways, and AI-powered recommendations.
UI/UX Design
A visually stunning, custom-animated interface requires more design and development hours than a clean, functional app built from standard components. User experience is key to retention.
Backend Infrastructure
Every app needs a "brain." The complexity of the backend server, database, and APIs to manage data, users, and transactions significantly impacts the cost and scalability of your application.
Security & Compliance
For industries like FinTech or Healthcare, implementing robust security measures and adhering to compliance standards (like HIPAA or PCI-DSS) requires specialized expertise and adds to the cost.
Third-Party Integrations
Integrating with external services like Stripe for payments, Twilio for messaging, or Google Maps for location services adds functionality but also requires development effort to connect the APIs.
Post-Launch Maintenance
An app is a living product. Budgeting for ongoing maintenance, bug fixes, OS updates, and feature enhancements is essential for long-term success and user satisfaction.
React Native vs. Flutter: A Cost Perspective
Both are excellent frameworks for cross-platform development, but they have nuances that can affect your project's cost and timeline. We are experts in both, helping you choose the right tool for the job.
| Feature | React Native | Flutter |
|---|---|---|
| Core Language | JavaScript / TypeScript | Dart |
| Developer Availability | Very High (Large JS community) | Growing Rapidly |
| Performance | Excellent, near-native performance | Exceptional, often faster due to direct compilation |
| UI Components | Relies on native OS components | Own widget library, highly customizable |
| Ideal For | Apps requiring native UI feel, projects with existing JS teams | Apps demanding highly custom, branded UIs and top-tier performance |
| Cost Impact | Potentially lower initial cost due to wider talent pool. | Faster development for complex UIs can reduce overall cost. |
Why CIS is Your Ideal Cross-Platform Partner
Building an app is more than just code; it's an investment in your business. We mitigate your risk and maximize your ROI with a proven framework for success built over 20+ years.
AI-Augmented Development
Our developers leverage enterprise-grade AI tools to write cleaner code faster, automate testing, and identify potential issues before they become problems. This translates to lower costs and higher quality for you.
Verifiable Process Maturity
With CMMI Level 5 and ISO 27001 certifications, we don't just promise quality and security, we prove it. Our structured processes eliminate guesswork and ensure predictable, enterprise-grade outcomes.
Top 5% Vetted Talent
You get access to a dedicated team of senior cross-platform experts. We handle the rigorous vetting, hiring, and training, so you can focus on your product vision from day one.
Full IP & Source Code Ownership
Your intellectual property is yours, period. Upon project completion and final payment, we transfer all source code and IP rights to you. No licensing, no lock-in.
Accelerated Time-to-Market
Our combination of experienced developers, reusable code libraries, and AI-powered workflows means we can take your app from concept to launch significantly faster than traditional agencies.
Risk-Free Engagement
Start with a paid 2-week trial to ensure our team is the perfect fit. We're so confident in our talent that we offer a free replacement guarantee for any non-performing developer.
Ready to See a Precise Number?
Our interactive calculator gives a great starting point. For a detailed, fixed-price proposal based on your unique feature list and business goals, let's have a quick chat. No pressure, no obligation.
Get My Detailed QuoteOur Cross-Platform Development Services
We offer a comprehensive suite of services to support you at every stage of your app's lifecycle, from initial idea to long-term success.
React Native Development
Leverage the power of JavaScript to build high-performance, native-like apps. Ideal for projects that need to integrate with existing web development teams and technologies.
Flutter Development
Create beautiful, highly-animated UIs that perform flawlessly on any device. Perfect for brand-centric apps where a unique and expressive user experience is paramount.
Backend & API Development
We build the robust, scalable server-side infrastructure your app needs to manage users, process data, and connect to third-party services securely.
Cross-Platform App Consulting
Not sure which framework is right for you? Our experts analyze your goals, budget, and technical needs to provide a data-backed recommendation on the best path forward.
UI/UX Design for Mobile
Our design team creates intuitive, engaging, and platform-aware user interfaces that delight users and drive adoption, ensuring your app is not just functional but also beautiful.
MVP Development
Launch faster and validate your idea with a Minimum Viable Product. We focus on the core features to get your app into the hands of users quickly, gathering valuable feedback for future iterations.
App Migration & Modernization
Modernize your legacy native apps by migrating them to a single, efficient cross-platform codebase, reducing maintenance costs and improving performance.
Code Audit & Performance Optimization
If your existing cross-platform app is slow or buggy, our team can perform a deep-dive code audit to identify bottlenecks and implement targeted performance improvements.
Maintenance & Support Plans
Ensure your app remains secure, up-to-date, and compatible with the latest OS versions with our flexible, ongoing support and maintenance packages.
Success Stories: Cross-Platform in Action
Don't just take our word for it. See how we've helped businesses like yours achieve their goals with powerful and cost-effective cross-platform applications.
How a Retail Giant Unified Its Mobile Experience with Flutter
Client Overview: A leading online retailer with a $50M ARR was struggling to maintain feature parity and brand consistency between their separate, natively-developed iOS and Android apps. Development cycles were slow, and costs were spiraling.
The Challenge: They needed to accelerate feature delivery and reduce their ballooning mobile development budget without sacrificing the high-quality, performant user experience their customers expected.
"CIS didn't just build an app; they delivered a strategic asset. Migrating to Flutter cut our operational overhead significantly and let us focus on innovation instead of just keeping the lights on. Their process was transparent and their team was world-class."
From Idea to Investment: Launching a FinTech MVP with React Native
Client Overview: A seed-stage FinTech startup needed to build and launch a functional MVP on both iOS and Android to prove their concept to users and investors. Their runway was limited, and speed was critical.
The Challenge: They had to deliver a secure, reliable, and intuitive app on a tight budget and an even tighter timeline. Failure to launch quickly meant missing their window for securing Series A funding.
"The CIS team was the perfect partner for our startup. They understood our need for speed and efficiency. Their React Native expertise allowed us to get a high-quality MVP to market in record time, which was instrumental in our successful funding round."
Consolidating a Logistics Giant's Mobile Portfolio
Client Overview: A Fortune 500 logistics company had a fragmented ecosystem of internal-facing native apps for drivers, warehouse managers, and sales teams. This created data silos, inconsistent user experiences, and a massive maintenance burden.
The Challenge: They needed to consolidate functionality into a single, secure, and scalable "super-app" that could serve multiple user roles, integrate with their legacy SAP systems, and be easily maintained by a central IT team.
"CIS's expertise in both React Native and enterprise systems was a game-changer. They successfully architected and delivered a complex application that streamlined our operations and provided a unified mobile platform for our entire workforce."
Frequently Asked Questions
Generally, yes. Because you're writing one codebase for two platforms (iOS and Android), you can save up to 40-50% on development costs compared to building two separate native apps. This also applies to ongoing maintenance and updates.
For the vast majority of applications, modern frameworks like React Native and Flutter deliver performance that is indistinguishable from native to the end-user. They compile to native code and have direct access to device APIs. Only the most graphically intensive apps (like high-end games) might see a benefit from native development.
Beyond initial development, be sure to budget for: 1) Backend server hosting and maintenance. 2) Third-party service subscriptions (e.g., Google Maps API, push notification services). 3) App store developer account fees ($99/year for Apple, $25 one-time for Google). 4) Ongoing maintenance and OS updates, which we offer as a managed service.
It depends on your project goals. Choose React Native if: you have an existing team of JavaScript developers, or you want an app that uses the platform's default UI components for a familiar look and feel. Choose Flutter if: your priority is a highly custom, branded UI with complex animations and the absolute best performance. We can help you make the right choice during our free consultation.
We follow a transparent, agile process: 1. Discovery & Strategy: We define your goals, features, and roadmap. 2. UI/UX Design: We create wireframes and high-fidelity mockups. 3. Development Sprints: We build your app in two-week cycles, with regular demos. 4. QA & Testing: Rigorous testing on multiple devices to ensure quality. 5. Deployment: We handle the entire app store submission process. 6. Support: We provide ongoing maintenance and support post-launch.