Hire Cross-platform Mobile App Developers

Unleash the Power of Compatibility & Scalability

Hire Cross-platform app Developers to deliver a boundless experience by creating highly-compatible cross-platform mobile applications. While you are looking forward to unlocking the multi-platform advantage, our cross-platform team is just a click away!

1 Week Risk-Free Trial

Confidential – NDA Protected

Top Developers at Work

Hire mobile app developers for ios, android, and flutter apps

Trusted by Startups and Enterprises Worldwide

Success Speaks Louder

Watch How We Make a Difference

SolGuruz turned my pencil sketches into a beautiful, fully functional AI journaling app. Their team was transparent, reliable, and easy to work with from start to finish.

Robert Mond

Principal, The Master Storytellers LLC | New Mexico, USA

SolGuruz truly understood our niche industry needs. They built a custom app that simplifies compliance and operations — with sharp execution and great communication.

Chad Smith

Owner, Monarch Radon Testing LLC | Colorado, USA

Cross-Platform App Development Services, Our Expertise

Expanding your audience reach and simplifying the development process, we help you build responsive mobile apps for all operating systems. Hire dedicated cross-platform app developers for the following services.

Cross-Platform Mobile App Development

While you plan to reach a broader audience segment, we are here to help you develop extraordinary mobile apps that run seamlessly on every platform. Simplify the development process, narrow the budget, and save time with a single code database. Hire remote cross-platform app developers from SolGuruz and leverage the benefits of cross-platform application development services.

Cross-Platform App UI/UX Design

Our experienced UI/UX designers specialize in crafting captivating and intuitive interfaces for cross-platform apps. We meticulously design user-centric interfaces prioritizing usability, aesthetic appeal, and seamless navigation. By adopting industry best practices, we ensure that your app’s design adapts seamlessly to various screen sizes, resolutions, and device capabilities, providing a delightful user experience on every platform.

Native Platform to Cross-Platform Migration

If you have an existing application built for a specific native platform, SolGuruz can assist you in migrating it to a cross-platform framework. We are experts in analyzing your app’s architecture, codebase, and functionalities and efficiently transitioning it to a cross-platform solution while ensuring minimal disruption and maintaining the app’s core features and performance.

Cross-Platform App Testing

SolGuruz understands the importance of rigorous testing to ensure the quality and reliability of cross-platform apps. Our dedicated testing team performs comprehensive testing across multiple devices, platforms, and scenarios. While you hire cross-platform experts from SolGuruz, we help you conduct functional, compatibility, performance, and user acceptance testing to identify and address potential issues, ensuring your app functions flawlessly across different platforms.

Cross-Platform App Maintenance & Upgradations

We offer reliable and proactive cross-platform app maintenance services to keep your app up-to-date, secure, and performing optimally. Our cross-platform dedicated team provides regular updates, bug fixes, and compatibility enhancements to address evolving platform requirements and user feedback. We also assist in incorporating new features, integrating third-party services, and optimizing app performance, to ensure a seamless user experience and maximize your app’s potential.

Hire Expert Cross-Platform Developers With Our Flexible Engagement Models

Make a difference in your business by leveraging the experience of our cross-platform app experts at SolGuruz. Here are the flexible engagement models to choose from.

Full Time

8 Hours per day

160 Hours per month

Part Time

4 Hours per day

80 Hours per month

Hourly Basis

Flexible hours

60 Hours minimum

Cross Platform Developer Cost Comparison: India vs Europe vs USA (2025)

Compare the costs and capabilities of hiring remote cross platform app developers - experts in frameworks like React Native, Flutter, Xamarin, and others that enable building multi-platform applications from a single codebase - across India, Europe, and the USA. Details include hourly rates, developer skills, and key operational considerations for agencies and startups.

Parameter	India	Europe (CEE & Western)	USA
Hourly Rate	$15 - $55/hr	$40 - $95/hr (CEE) / $60 - $130/hr (Western)	$65 - $200/hr
Expertise & Certifications	Large talent pool skilled in React Native, Flutter, Xamarin. Frequent upskilling & certifications in leading cross-platform frameworks.	Strong engineering culture, broad experience in React Native, Flutter, Xamarin; high technical certifications.	Highly skilled, advanced in all major cross-platform frameworks, but at a premium.
English Proficiency	Above global average in IT sector.	High in Western Europe, good to high in CEE.	Native.
Project Management	Mature Agile/Scrum adoption, widespread PM tool usage (Jira, Trello).	Well-established Agile/Scrum processes, especially in Western Europe.	Very mature, industry-standard practices.
Health Insurance Cost	Very low ($500-$1,000/yr per employee, often employer covered).	Moderate to high ($2,000-$4,000/yr per employee).	Very high ($7,000-$15,000/yr per employee, typically employer-sponsored).
Office Operation Cost	Very low (rent/utilities/admin up to 70% lower than US/EU).	Moderate (CEE < Western Europe).	Highest globally.

Hiring Cross Platform App Developers from SolGuruz vs. In-house vs. Freelance Developers

Compare your hiring options for cross platform app developers - multi-framework experts using tools like React Native, Flutter, and Xamarin - across SolGuruz, in-house teams, and freelance platforms. Assess speed, cost, scalability, and long-term suitability for ambitious projects.

Parameter	SolGuruz Dedicated Team	In-House Full-Time	Freelance Platforms
Time to Hire	1-2 weeks (pre-vetted multi-framework experts)	6-12 weeks (recruitment + notice)	1-4 weeks
Up-Front Cost	Zero recruitment fees	15-25% hiring expense (agency, HR)	Platform + 10-20% markup
Retention/Ramp-Down Risk	Contract-based; flexible scaling and replacements	High - salary, notice, severance	High turnover, variable availability
Management Overhead	SolGuruz PM-led oversight, weekly stakeholder demos	Full HR, payroll, PPO, infra, admin support	Mostly self-managed
IP & Security	NDA, ISO-27001 workspace, contractually enforced security	Direct, in-house hardware/software controls	Varies by individual/freelancer
24×7 Support	Optional global time zone coverage	Typically local business hours	Depends on freelancer
Hidden Costs	None - tools, health, and infra bundled	Benefits, real estate, payroll burdens	Escrow fees, scope/schedule creep
Ideal For	Product launches, long-term evolution, cost-efficient scaling	Critical proprietary apps, sensitive data	Prototypes, minor features, rapid MVPs

Technical Skills of Our Cross Platform App Developers

Accelerate your app development with cross platform experts from SolGuruz. Our developers build consistent, high-quality apps across Android and iOS using frameworks like React Native, Flutter, or Xamarin. Here’s how their skillset adds robust value to your project.

Skill	Description	Why It Matters For Your Cross Platform App Project's Objectives
Multi-Framework Proficiency	Deep expertise in React Native, Flutter, and Xamarin for unified codebase delivery.	Ensures flexibility in framework selection for performance, UI/UX, and business fit.
JavaScript, Dart & C# Skills	Advanced coding in JavaScript/TypeScript (React Native), Dart (Flutter), and C# (Xamarin).	Enables your team to select the right tech, maintain code, and quickly onboard additional talent.
UI/UX Design for Multi-Platform	Expertise in responsive and adaptive UI using native design guidelines (Material, Cupertino, Fluent).	Apps look and work naturally across Android, iOS, and even web (where supported).
State Management	Implementation of architecture and tools such as Redux, MobX, Provider, Bloc, Riverpod.	Delivers scalable, maintainable app architectures even as your product grows.
Native Module Integration	Ability to bridge native APIs and modules for device features (camera, sensors, biometrics).	Enables native performance and hardware access without separate codebases.
API & Backend Integration	RESTful APIs, GraphQL, Firebase, and secure offline/local data sync.	Facilitates dynamic features like authentication, notifications, real-time data.
App Testing & Debugging	Manual and automated UI, integration, and unit testing; use of tools specific to each framework.	Ensures smooth launches and stable performance post-release.
CI/CD & Deployment	Setup of continuous integration pipelines for build, test, and multi-store deployment.	Reduces time-to-market with reliable app update cycles.
Cloud & DevOps Readiness	Cloud build, analytics, crash reporting, and push notifications.	Optimizes for scale, monitoring, and engagement features without tech bottlenecks.
Security Best Practices	End-to-end encryption, secure storage, platform-compliant privacy controls.	Keeps your business and user data safe across platforms.