Cross-platform mobile technologies can be a great deal for businesses with limited IT budgets, allowing them to save 30%–50% of the development costs compared to the native approach.
Below, we have selected ten top providers of cross-platform app development services based on client reviews, tech focus, industry experience, and range of offered services. Because diversity is key to meeting client needs, the list includes cross-platform app companies from the USA, Canada, Europe, South America, and Asia.
Best Cross-Platform App Development Companies
1. IT Craft
IT Craft is a top-rated cross-platform development company that has acquired multiple five-star reviews for the provided deep expertise and a value-focused approach to client projects. It offers proficiency in React Native, NET MAUI, and Flutter, popular frameworks for building native-like iOS and Android apps using a single codebase.
Among 2,250+ completed projects, the company worked on transforming a legacy field management system into a cross-platform solution, delivered and expanded an MVP for basketball training management, and integrated charts into a mobile app of a trading platform using React Native, meeting and exceeding client expectations.
IT Craft engineers emphasize a proactive approach to project implementation and transparent communication with clients. They help clients meet business goals by suggesting value-generating features and producing high-quality cross-platform source code for requirements of any complexity.
- Services & expertise: cross-platform mobile app development, custom software development, MVP development, DevOps and maintenance, app modernization.
- Tech stack: React Native, Flutter, .NET MAUI, Angular, React, Node.js, Express.js, .NET, C#, Python, TypeScript, Kubernetes, AWS, Azure, Google Cloud, Claude, GPT.
- Industries: Fintech, healthcare, ecommerce, logistics and supply chain management, ecommerce, Fantasy Sports, HR management, social media.
- Team size: 250+ experts.
- Clients: MyCarrier, Flexwise, Arctrieval, Omni, XPERTyme, Limpid Markets, MyPlace Connect, Pecan.
2. LeanCode
LeanCode’s primary specialization is cross-platform app development using Flutter Framework. Providing a single codebase allows developers to decrease time to market and costs of the offered end-to-end services.
The company has acquired expertise in creating solutions for several industries, including banking, FinTech, food service, and marketing. Thus, its developers have delivered a secure client app for a major bank, a Flutter app for hiring temporary restaurant workers, and a meditation app with gamification features.
Apart from Flutter development, LeanCode offers React Native apps and React web apps. The company also provides cloud automation, IT consulting, and app audit services.
- Services & expertise: cross-platform app development, MVP development, hybrid app development, app maintenance, IT staff augmentation.
- Tech stack: Flutter, React Native, .NET, Node.js, TypeScript, Kubernetes, AWS, Azure.
- Industries: banking, HRTech, InsurTech, MarTech, EduTech.
- Team size: 75+ experts.
- Clients: Credit Agricole Poland, Mindy, Quittercheck, Gastrojob, Revelo, Avy.
3. BairesDev
BairesDev offerings span across 100+ technologies, including cross-platform mobile development. The company emphasizes flexibility, while its engineers can work on projects autonomously or integrate tightly with the client's team.
The company has delivered 1200+ projects to 500+ clients of all sizes. Notable cases include an app for real-time monitoring of a power plant, enhancing scalability of a telehealth solution, and mobile testing for a discount platform.
BairesDev can handle versatile projects, ensuring deep expertise, quick allocation of necessary skills, and high responsiveness to client requests. The key focus among cross-platform mobile technologies lies in React Native and Flutter.
- Services & expertise: React Native app development, IT staff augmentation, MVP development, dedicated team, app modernization.
- Tech stack: React Native, Flutter, Angular, .NET, Ionic, Kubernetes, Laravel, Ruby on Rails, Shopify.
- Industries: finance, real estate, advertising, business services, retail, healthcare, insurance, logistics.
- Team size: 4,000+ experts.
- Clients: Rolls-Royce, Groupon, Blackboard, Udemy, Pinterest, Azlo, Tackzee.
4. Upstack Studio
Upstack Studio is a small company from Malaysia with niche expertise in the React ecosystem, where it uses React Native to build cross-platform mobile apps.
The company's developers are dedicated to excellence, which is why they keep the client list short and provide each project the highest level of attention. In turn, the developers go an extra mile to minimize time to market and adapt to changing requirements.
Upstack Studio's portfolio includes an online platform with dedicated mobile apps for connecting physicians, pharmacists, and laboratories, a mobile solution for controlling an air conditioner, and a dedicated app for a news publisher.
- Services & expertise: React Native app development, web app development, continuous UX/UI design, discovery phase, software maintenance.
- Tech stack: React Native, React, Ruby on Rails.
- Industries: ecommerce, news and media, healthcare, business services, finance, on-demand services.
- Team size: 18 experts.
- Clients: Daikin, Teleme, The Malaysian Insight, Acson.
5. Binary Studio
Binary Studio has strong expertise in cross-platform technologies, such as React Native and Flutter, which it uses to build mobile apps from scratch, finalize ongoing projects, and modernize legacy software.
The company has built a strong portfolio that includes expanding a lending portal with a React Native app, developing SOS mobile apps for Android and iOS, and designing a cross-platform application for managing spa salons.
Binary Studio invests in building long-term partnerships with clients. It provides flexible cooperation terms, including end-to-end solutions, mobile testing, IT staff augmentation, and dedicated teams.
- Services & expertise: MVP development, cross-platform and hybrid app development, software modernization, back-end development, QA and testing.
- Tech stack: React Native, Flutter, .NET, Node.js, TypeScript, Laravel, Symfony, AWS.
- Industries: insurance, green tech, real estate, healthcare and wellness, social media.
- Team size: 160+ experts.
- Clients: easyMoney, Swissphone, Datalogics, SnapCare, MassageBook.
6. Rootstrap
With 700+ launches, Rootstrap helps startups and established businesses create successful products using cross-platform and hybrid mobile technologies. The assigned experts can work independently or join an existing client team.
The company has worked on a leading elearning platform where industry experts share technical leadership skills and insights, an app that lets working parents manage their family, health, and work balance, and an app for improving ad targeting.
As part of provided end-to-end services, Rootstrap helps startups and established businesses with discovery and planning. The results of discovery enable building complex products that efficiently meet business needs.
- Services & expertise: discovery phase, mobile development, responsive web apps, AI & agents, cloud solutions.
- Tech stack: React Native, React, AWS, databricks, RAG, Computer Vision.
- Industries: solutions for businesses, media & advertising, ecommerce, elearning, payments, animal health.
- Team size: 200+ experts.
- Clients: Doorspace, Epson, MasterClass, Sony, Brightwheel, Bildsy.
7. Stakk
Mobile solutions are Stakk’s key specialization, where it offers cross-platform apps based on Flutter and React Native technologies. The company combines tech skills with expertise in building appealing interfaces and enhanced user experiences. They also proactively seek feedback and are helpful at giving engineers feedback.
Stakk has delivered solutions to clients of all sizes, helping a math education organization expand to Android using React Native, building an easy-to-navigate app for companies checking available museum space, and an app for audio consultations envisaged by a mental health startup.
The company's developers focus on a customer-centric approach. They maintain transparent communication and actively suggest project improvements to help clients meet their goals.
- Services & expertise: cross-platform apps, web development, UX/UI design, QA and testing.
- Tech stack: React Native, Flutter, Angular, React, Node.js, Python, .NET, AWS.
- Industries: education, ecommerce, retail, healthcare.
- Team size: 30+ experts.
- Clients: British Museum, Safestyle, Gigl, Nivoda, LNER Trains.
8. MindSea
With a strong focus on the healthcare industry, MindSea provides comprehensive services needed for successful mobile app development, including app design and redesign, strategy, server-side, and beyond.
The company emphasizes data security and user privacy, making them key parts of the app planning and implementation process. This helps the company's clients adjust to international and local regulations.
MindSea portfolio includes refining development strategy and building an app for dealing with depression, delivering a smartwatch app for making sense of patients’ motion data, and an app for improving medication adherence.
- Services & expertise: mobile app development, app planning and strategy, UX/UI design, mobile app redesign, web app development, back-end development.
- Tech stack: React Native, Kotlin, Swift, React, Python, PHP, TypeScript.
- Industries: healthcare, medicine, education, psychology.
- Team size: 25+ experts.
- Clients: Yahoo, Psychoscope, Mathison Technologies, Digital Trust, SmartLabels.
9. Synodus
Synodus offers cross-platform app development as part of its services, ensuring seamless app integration with back-end systems and delivering advanced functionality.
Some delivered mobile projects include iOS and Android apps from scratch for an AI personalization platform, a mobile solution for secure employment verification, and a custom software platform and dedicated apps for a healthcare wearables company.
The company offers a strategic approach to app development and boasts working on many of its projects on fixed-cost terms, using them to provide clients with transparent pricing.
- Services & expertise: cross-platform development, web apps, low-code platform, blockchain, data analytics.
- Tech stack: React Native, Flutter, React, Node.js, .NET, Salesforce, Jenkins, AWS.
- Industries: healthcare, public sector, transportation, retail, finance, HR.
- Team size: 250+ experts.
- Clients: CoralApp, Bamboo Airways, Mandai Wildlife Group, KPMG.
10. Aubergine Solutions
Aubergine Solutions offers cross-platform mobile app services as part of strategic, end-to-end development, while the company leverages React Native or Flutter to efficiently implement user-centric designs.
Among 200+ delivered products, Aubergine designers and developers have built an engaging meditation app using Flutter, a mobile bike sharing solution, and an intuitive app for Wi-Fi management.
The company fosters proactivity among developers, a structured development approach, and timely communication with clients to address business needs with high-quality deliveries and drive value through engaging user experiences.
- Services & expertise: digital strategy, UX/UI design, native and cross-platform apps, web apps, cloud solutions, digital transformation.
- Tech stack: React Native, Flutter, React, Angular, JavaScript, Next.js, Node.js, Python, AWS, Google Cloud.
- Industries: business services, ecommerce, fitness & wellness, ecotech, real estate, travel, logistics, healthcare.
- Team size: 150+ experts.
- Clients: MyByk, Pedagogy, Tikler, HireValley, ASENT.
Conclusion
The above list of top cross-platform app development companies will help you find a service provider that will go the extra mile to deliver great value for your investment.
The key points for choosing the best provider of cross-platform app development services are the company's expertise, structured processes, and developers' proactive approach to meeting business goals.
When checking online reviews, carefully evaluate the strengths and weaknesses. As an extra step, ask the company's representatives for references if you want to verify any specific point that is crucial to your project.
