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Top Cross-Platform App Developers

Olga Gubanova


March 2, 2024

Cross-platform app development is evolving rapidly, with Flutter, React Native, Xamarin, Ionic, and PhoneGap being the most popular frameworks in 2024. The push towards cross-platform development is driven by advantages such as cost efficiency, faster deployment, and the ability to reach a wider audience by utilizing a single codebase across multiple platforms.

  • Flutter is praised for its performance, simple UI, and versatility across platforms, including desktop and web from a single codebase.
  • React Native is favored for its native-like feel, efficient UI development, and broad codebase sharing across platforms.
  • Xamarin offers extensive code reuse and native performance through C# and .Net.
  • Ionic excels in building high-performance mobile and progressive web apps with web technologies.
  • PhoneGap, known for its ease of use and wide compatibility, allows development using various languages without hardware restrictions.

Companies specializing in cross-platform development are adapting to trends like AR (Augmented Reality)/VR (Virtual Reality) and IoT (Internet of Things), with the AR/VR market expected to reach $80 billion by 2025. The IoT market is also growing, projected to exceed 75 billion devices by 2025.

Services provided include a wide range of digital solutions, focusing on hybrid and cross-platform apps to cater to diverse business needs. Pricing varies significantly, reflecting the broad spectrum of client requirements, with rates ranging from $18/hr to $149/hr.

With such a dynamic shift in how apps are developed and deployed, choosing a development partner adept at navigating these changes becomes paramount for businesses aiming to stay ahead.

We've curated a list of leading companies excelling in cross-platform development, showcasing their mastery in blending innovation with technology. Their services span from creating versatile mobile and web apps to incorporating AR/VR and IoT, utilizing top frameworks like Flutter and React Native. These firms are recognized for their global reach and dedication to delivering top-notch digital solutions across various industries.


Ptolemay team working on Flutter app development in their California office, showcasing a diverse and skilled workforce exceeding 50 employees.

Ptolemay, with its base in California, has built a robust reputation in the technology and app development sector, reflected by a perfect score of 5 on Clutch. This rating underscores their excellence in delivering high-quality services and their commitment to client satisfaction. With more than 50 skilled professionals on their team, Ptolemay is well-equipped to tackle a wide range of digital projects, from multiplatform mobile app development to integrating advanced technologies like AI and blockchain.


Ptolemay's service offerings are tailored to meet the evolving digital landscape, focusing on efficiency, innovation, and user engagement:

  1. Cross-Platform App Development: Utilizes mobile development frameworks for consistent experiences across iOS, Android, web, and desktop.
  2. E-commerce App Development: Enhances online shopping with the latest tech trends for improved user engagement and sales.
  3. Android and iOS App Development: Delivers responsive and feature-rich applications tailored to specific platform capabilities.
  4. UX/UI Design: Creates intuitive and visually appealing designs to elevate user experience.
  5. Artificial Intelligence Integration: Employs AI for predictive analytics, automation, and enhanced customer interactions.
  6. Cloud Solutions and IoT Integration: Offers scalable cloud solutions and connects devices for comprehensive digital environments.
  7. Blockchain Development: Develops decentralized applications and secure payment solutions.
  8. Data Analytics and Business Intelligence: Transforms data into actionable insights for strategic decision-making.


Diagnio. A health app for women focusing on fertility and menstrual cycle tracking. Features like image recognition for saliva-based fertility tests and data integration with health platforms like Apple Health and Google Fit showcase its advanced technical framework.

WBLead. An analytics tool for Wildberries marketplace sellers, providing insights into product performance and advertising effectiveness. It stands out for its API integration and real-time analytics capabilities, using a tech stack that includes Python, Vue.js, and PostgreSQL for a scalable and user-centric experience.

Hanson. A self-development and meditation app offering access to courses, interactive meetings, and content for personal growth. Focuses on a seamless user experience, employing mobile UX/UI design principles to facilitate easy content access and engagement.

They initially grounded expertise in native Android and iOS applications before focusing on cross-platform mobile development. With an emphasis on using Flutter, Ptolemay has managed to carve out a significant presence in this competitive field.


TechAhead app development experts in Southern California using Flutter and React Native for cross-platform solutions, with a team size of over 50.

TechAhead is a mobile application development company based in Southern California, with additional offices in Agoura Hills, Calif., and Noida, India. Established in 2009, the company focuses on bespoke digital solutions and UI/UX design, working across multiple verticals for some of the world's largest companies. With a team size of more than 50 employees, TechAhead has earned recognition for its timeliness, service excellence, and value, maintaining a strong commitment to delivering high-quality digital products that meet client expectations.

TechAhead specializes in a range of services and has successfully executed several notable projects:

Services Offered:

  • Digital Product Engineering
  • Cloud Engineering
  • Artificial Intelligence (AI) and Internet of Things (IoT) Solutions
  • Mobile and Web Application Development, including technologies like Flutter and React Native


  • Developed a health & wellness application for mothers, achieving 2 million users
  • Innovated in the sports domain by partnering with the International Cricket Council (ICC)
  • Enhanced a Fortune 50 insurance company's roadside assistance service, improving response times and customer satisfaction

TechAhead offers specific services in cross-platform development, leveraging technologies such as Flutter and React Native. This approach allows them to create apps that provide a native-like experience on both Android and iOS platforms from a single codebase, optimizing development time and costs, thereby establishing itself as a leading mobile app development platform.

Understanding the platform vs framework in app development is crucial for their strategy, as they use development frameworks for mobile apps like Flutter and React Native for cross-platform development. This methodology ensures that TechAhead can offer crossplatform app solutions that meet the diverse needs of their clients, delivering efficient and scalable digital products across a variety of industries.

Sigma Software Group

Sigma Software Group's large team of over 2000 professionals in Ukraine specializing in React Native, Xamarin, and Flutter for global app solutions.

Sigma Software Group, headquartered in L'viv, Ukraine, with global offices, excels in software development and consulting. Founded in 2002, it boasts over 2000 employees, supporting clients from startups to Fortune 500 companies.

Sigma Software Group offers a comprehensive array of services and has successfully completed projects across various sectors:

Services Offered:

  • Custom software development
  • Application development
  • Dedicated development teams
  • DevOps & cloud consulting
  • UI/UX design
  • Quality assurance
  • Machine learning & AI development
  • AR/VR solutions

Highlighted Projects:

  • Development of innovative platforms for Formpipe and Zapp
  • Implementation of a patient database management system for AstraZeneca

They focus on creating seamless user experiences across different devices and platforms, leveraging technologies like React Native, Xamarin, and Flutter. This approach enables them to deliver applications that perform efficiently on multiple platforms, ensuring broad accessibility and consistent functionality for users.

Konstant Infosolutions

Konstant Infosolutions’ developers in Jaipur employing React Native, Flutter, Xamarin, and PhoneGap in app projects, with a strong team of over 170.

Konstant Infosolutions specializes in mobile app and web development, focusing on global technology and innovation since 2003. With a team exceeding 170 professionals based in Jaipur, India, they have delivered solutions for clients like the United Nations, Del Monte, Volkswagen, and ThomasVille. Their services span various industries, emphasizing their capability to provide cutting-edge technology solutions that cater to a broad spectrum of digital needs.

Konstant Infosolutions offers a comprehensive suite of services and has successfully completed projects across various sectors:


  • Mobile app development
  • Web development
  • Cross-platform application development
  • eCommerce solutions
  • CMS solutions
  • UI/UX design
  • Staff augmentation

Notable Projects:

  • Automotive industry solutions for Volkswagen
  • Cement industry solutions for Wonder Cement
  • Healthcare platforms like Myan Care and Mydokita

Konstant Infosolutions specializes in cross-platform app development, utilizing frameworks like React Native, Flutter, Xamarin, and PhoneGap. This approach enables them to create apps that provide a consistent user experience across multiple platforms, including iOS and Android, reflecting the advantages of cross-platform mobile app development. Their expertise ensures that applications not only perform well but also maintain high-quality standards across different devices and operating systems, embodying innovations in cross-platform mobile application development.

Choosing the best cross-platform development framework is critical to their success, allowing Konstant Infosolutions to implement multi-platform app development strategies effectively. This holistic approach to app development underscores their commitment to delivering versatile and scalable solutions that meet the evolving needs of their clients.

Brainvire Infotech Inc

Brainvire Infotech's versatile app development team in Texas, size ranging from 250 to 999, expertise in multiple cross-platform tools not specified.

Brainvire Infotech Inc, founded in 2000 and based in Irving, TX, specializes in e-commerce development alongside web and mobile app development, game development, and ERP and CRM integration. The company, with a workforce of 250 to 999 employees, serves a diverse range of clients, including notable names like Nike, Boeing, Southwest Airlines, and Fox Sports. Brainvire is dedicated to leveraging the latest technologies to deliver innovative solutions across various industries.

Brainvire Infotech Inc provides a wide array of digital transformation services that include:

  • E-commerce Development: Specializing in platforms like Magento and Shopify.
  • Mobile App Development: Offering Android, iOS, hybrid, and various cross-platform solutions.
  • Web and Open Source Development: Expertise in PHP, WordPress, Laravel, and Python.
  • CRM and ERP Solutions: Implementing and integrating enterprise-level solutions.

Brainvire Infotech Inc offers cross-platform development services, focusing on creating applications that work seamlessly across different devices and operating systems. This includes developing apps with consistent functionality and user experience on iOS, Android, and web platforms. For specific details on their cross-platform development capabilities and examples of their work, visiting their website would be the best approach.


Deviniti's Flutter development team in Wrocław, Poland, around 250 employees strong, focusing on innovative cross-platform app solutions.

Deviniti, based in Wrocław, Poland, was founded in 2004 and employs around 250 specialists. The company focuses on custom software development, mobile app development, web development, and cloud consulting & SI services. It serves midmarket and other-sized companies across various industries, including automotive, business services, and financial services. Deviniti has been recognized for its timeliness, service excellence, value, and overall recommendation rate, reflecting its commitment to delivering high-quality digital solutions.


Deviniti specializes in a variety of services aimed at digital transformation with cross-platform apps, including:

  • Atlassian Services: Expertise in Atlassian software suite to enhance team collaboration and project management.
  • ITSM Services: Implementation of IT Service Management solutions to streamline IT processes.
  • IT Consulting: Offering strategic guidance to optimize IT infrastructure and operations.
  • Custom Software Development: Tailored software solutions to meet specific business needs.
  • Mobile App Development: Specializing in Flutter for cross-platform mobile app development.

Deviniti specializes in cross-platform mobile app development using Flutter. This tool enables them to build high-quality apps for mobile, web, and desktop from a single codebase, ensuring a consistent and efficient development process and highlighting the advantages of cross-platform mobile app development. For specific services and examples of their work, check their website.

Somnio Software

Somnio Software's small yet expert team of 10-49 in Montevideo specializing in Flutter for tailored cross-platform app development.

Somnio Software, based in Montevideo, Uruguay, specializes in mobile, web, software development, and UX/UI design. Founded in 2019, it's a small team that focuses on app development. They cater to various industries, providing comprehensive development services. Their approach emphasizes innovative solutions and user-centered design, aiming to deliver high-quality applications that meet modern business and user needs.

Services Offered:

Somnio Software provides the following services:

  • Full Product Development
  • Product Discovery
  • Staff Augmentation

Notable Projects:

They've successfully delivered projects across various sectors, including Pronti and ProWallet, demonstrating their capability in industries like fintech, healthcare, and education.

Somnio Software specializes in cross-platform development using Flutter. This focus enables them to build applications that perform seamlessly across iOS and Android platforms, ensuring a consistent and high-quality user experience. For more specifics on their cross-platform services, please visit their website.

Zco Corporation

Zco Corporation's dedicated team over 200 strong in New Hampshire, using React Native and Flutter for efficient cross-platform app development.

Zco Corporation is a full-stack app development firm established in 1989, based in Nashua, New Hampshire, with an office in Boston. The company specializes in web, mobile, and animation services. With a team of over 200 specialists, Zco offers a comprehensive range of development capabilities, catering to various client needs, including major clients like Volkswagen, Microsoft, and Harvard University. Zco's extensive experience and diverse skill set make it a leading choice for businesses seeking robust cross-platform app development solutions.

Services Offered:

  • Mobile App Development (Native, Hybrid, Progressive Web Apps)
  • Enterprise Software Solutions
  • Mobile Game Development
  • Augmented Reality (AR) and Virtual Reality (VR) Solutions
  • 2D & 3D Animation Services

Notable Projects:

Notable projects include Golflogix, a GPS app for golfers, and invisaWear, smart jewelry for personal safety that communicates with an app to share the user’s location with contacts and authorities.

Zco Corporation offers cross-platform app development using frameworks like React Native and Flutter. This approach enables them to deliver apps that work smoothly across different platforms, ensuring broad accessibility and user engagement.


Quytech's dynamic app development team, nearing 200 employees, in India and the UK, leveraging React Native and Flutter for versatile app solutions.

Quytech specializes in mobile app development, catering to businesses of all sizes, from startups to enterprises. With nearly 200 employees, their expertise extends to AR/VR development as well. They operate globally, with a primary headquarters in India and a secondary office in the UK, indicating a broad international reach and capability to handle diverse project requirements.

Quytech's services include:

  • Mobile app development (Android, iOS, React Native, Flutter)
  • AR/VR development
  • Blockchain development
  • AI and machine learning development
  • Game development (Unity, Unreal)

Notable Projects:

They have delivered successful projects in various sectors like healthcare, finance, education, and entertainment, including notable apps such as MySwimPro, NGK, EsVedra, and solutions focusing on inventory management and stock trading.

Quytech provides cross-platform app development services utilizing technologies like React Native and Flutter. This approach enables them to create apps that offer a native-like experience across multiple platforms (iOS, Android) from a single codebase, optimizing development time and reducing costs.

In the evolving landscape of mobile app development, the debate between hybrid vs native app development continues to be a pivotal discussion. Native app development involves writing code specifically for each mobile device's platform, leveraging its full potential to create natively optimized apps. This approach offers high performance and a seamless user experience but requires more resources to build apps for multiple platforms.

On the other hand, hybrid app development utilizes a single code base to build apps that run on multiple platforms, often through an open source framework. This method significantly reduces development time and costs, making it a popular choice among mobile app development companies looking to efficiently deploy across iOS and Android. However, it may sometimes compromise on the app's performance and user experience compared to native apps.

Looking towards the future, cross-platform technologies are emerging as a formidable solution, blending the best of both worlds. These technologies enable building mobile apps that perform nearly as well as native apps while maintaining the efficiency and cost-effectiveness of hybrid approaches. The top cross-platform app development companies in 2024 are likely to leverage these technologies to deliver high-quality apps that meet the diverse needs of users across all platforms, highlighting the pros and cons of each approach while pushing the boundaries of mobile app development.

Boost Your Digital Presence: Choose Expert Cross-Platform Development Partners in 2024

The highlighted companies, each with a proven track record, offer bespoke services that cater to a wide range of needs. From integrating advanced technologies like AI and blockchain to creating seamless user experiences with Flutter or React Native, these firms are at the forefront of digital innovation. Their expertise not only spans across technological capabilities but also across understanding industry-specific challenges and opportunities.

For businesses, the takeaway is clear: selecting a development partner is not just about technical expertise but also about finding a company that aligns with your vision and goals. The ability to innovate, adapt to changes, and deliver high-quality, scalable solutions is what sets these companies apart.

In navigating the complexities of app development, consider how a partner can help you leverage cross-platform technologies to not only reach but engage your audience effectively. The future of digital presence hinges on creating adaptable, efficient, and engaging user experiences across all platforms. Embrace the potential of cross-platform development to unlock new opportunities for growth and engagement in your digital journey.