Best Cross Platform Companies

• Full-cycle expertise covering mobile, web, eCommerce, AI, software, and APIs
• Strong frontend and backend development with frameworks like ReactJS, AngularJS, VueJS, NextJS, and TypeScript
• Proven ability in React Native and cross-platform mobile apps for faster launches
• eCommerce expertise with WordPress, custom platforms, and seamless integrations
• AI focus including chatbots, ChatGPT development, and intelligent automation
• Reliable global presence paired with Ukrainian engineering talent
• Transparent communication, timely delivery, and proactive problem-solving

Project: AI-Driven eCommerce Enhancement for Alviva Group
Alviva Group partnered with Coderfy to enhance their online sales platform. The project involved developing an AI-powered product recommendation engine integrated into their eCommerce system. Coderfy combined custom API development with ReactJS for a seamless user interface and used AI algorithms to suggest products based on customer behavior. The solution improved user engagement and conversion rates. The client praised Coderfy’s flexibility, technical expertise, and proactive suggestions that added business value beyond the initial scope.

• Proven experience with over 1,000 Android, iOS, and hybrid mobile apps delivered.
• A strong team size with senior-level staff and specialists in design, development, and quality assurance.
• ISO 9001 certified and the adoption of agile methodologies, ensuring quality standards and workflow discipline.
• High client satisfaction, many clients return for repeat engagements.
• Good reputation for cost effectiveness; clients often mention value for the investment.

• Utility Services Application: Konstant Infosolutions built a mobile app for a utility services provider. The app included features such as scheduling, task assignment, and status tracking. The project was delivered on or ahead of schedule, and the client noted a high standard of execution and clear communication.
• Social Networking / Coaching App: For a client in the education/coaching space, Konstant developed a native app including wireframes, beta testing, and launch. Client feedback highlighted that their technical solutions met the project requirements and quality expectations.

• They offer full-lifecycle app development, from discovery and roadmap through design, coding, QA, deployment, and post-launch support.
• Technical versatility: native development (Kotlin / Java / Swift), cross-platform frameworks (Flutter, React Native), AI/ML integrations, and strong backend + cloud capabilities.
• Strong quality focus: code reviews, performance optimizations, security audits, and attention to design and UX.
• Global mindset: experience with clients across multiple geographies, ability to handle timezone and cross-border collaboration.
• Responsive and client-oriented: clients often note their communication, flexibility, and professionalism.

• KidSecure (US-based project): Novumlogic built a cross-platform mobile app using Flutter for both Android and iOS. Features included real-time monitoring, alerts, parental control, screen time scheduling, secure, encrypted storage, and two-step authentication. The outcome: high user growth, good retention, reliable performance, and positive feedback from parents for enhanced child safety.
• Plantly (Marketplace App): Developed both app and seller backend, secure payment gateway, intuitive UI/UX, strong filtering and search, leading to increased engagement, more sellers, wider product range, higher download numbers, and user satisfaction.

• Skilled in cross-platform frameworks (likely React Native or Flutter), reducing time and cost for multi-device apps.
• Builds robust API layers to ensure consistency between mobile, web, and backend systems.
• Integrated with Valmore’s web and software teams for smoother data and design alignment.
• Offers a unified development environment to maintain scalability and faster updates.
• Regional accessibility in Greece, offering communication and project transparency.

• Integrated solutions: They build mobile apps together with complementary systems like web platforms, document management, and admin panels under one roof
• Broad domain experience: Projects in legal, retail, transport, document management, public service, parking monitoring, stream commerce, etc
• Experienced engineering team: capacity to handle designs, UX, system architecture, distributed systems, and  real-time data
• Commitment to client relationships: Many of their clients continue cooperation for maintenance and technical support after deployment
   

• Platform for live-stream e-commerce (Mojlive.pl): LEA24 built a platform that enables clothing boutiques and individual sellers to sell via live video streams. The project included mobile app(s), an admin panel for managing sales, product listings, scheduling of streams, invoicing, and order management.
• Parking monitoring & analytics: They delivered a mobile app plus a web dashboard for measuring parking zone statistics (occupancy, time parked, correctness of parking, etc). The solution includes real-time data capture from mobile users or field operatives, as well as online dashboards with a map view and analytical panels.

Radixweb is trusted globally for its ability to deliver versatile, high-impact technology solutions that bridge innovation with business goals. What distinguishes the company is its holistic approach to digital transformation, combining design, development, and deployment with precision and scalability.

Their teams work closely with clients to understand both the functional and emotional aspects of digital experiences, ensuring every project delivers measurable business value.

The company’s strength lies in its cross-domain expertise, covering mobile, web, e-commerce, virtual reality, AI, and blockchain technologies. This diversity allows the company to build integrated ecosystems rather than isolated solutions, enabling clients to stay ahead in a fast-evolving digital landscape. Their emphasis on transparency, agile collaboration, and adaptive scaling ensures each project is handled with efficiency and care.

Radixweb’s design-first philosophy ensures intuitive user experiences, while their engineering depth guarantees high performance and reliability. From immersive VR solutions to secure API frameworks and AI-driven business tools, the company maintains a consistent standard of innovation and quality.

Moreover, clients value their proactive communication, quick turnaround times, and readiness to adopt new technologies, making Radixweb a long-term partner for sustainable digital growth.

Radixweb partnered with a European retail brand to build a unified online storefront integrating AI-driven recommendations and a responsive web interface. The solution increased online engagement by 40% and conversion rates by 25%. The client highlighted Radixweb’s design expertise, responsiveness, and clear communication throughout the project.

• Strong mobile-first focus: expertise in native and cross-platform mobile app development. 
• Good balance between cost and quality: their rates are competitive and clients report good value for cost. 
• Full project lifecycle services: from design/UX through backend and frontend development, testing, deployment, and maintenance. 
• Transparent, client-oriented communication: clients highlight regular updates, clarity of progress, and responsiveness. 
• Broad industry experience: eCommerce, fintech, logistics etc., gives them experience with varied requirements.

• Project: SaaS Platform for 4logist - MobileXapps developed both iOS and Android apps, adding features for photo-sharing, voicemails, and tracking driver locations. The apps met client expectations, with strong technical skills and adherence to the planned schedule. 
• Project: Wine Storage / Remote Management App - They built an iOS app for a wine storage solutions company, integrating remote management, wine-state tracking, search features, custom UI, and testing. The client appreciated the quality and timeliness. 

Hire NCrypted if you want a partner experienced in launch-to-scale mobile builds with template-based speed plus custom engineering where needed. Their selling points are ISO-certified processes and long experience with startup MVPs, an in-house product library (clone scripts) to accelerate time-to-market, and a portfolio of travel, edtech, and marketplace solutions - useful when you need domain best practices baked into the app. They also claim global delivery centers and ongoing support capabilities.

NCrypted lists several recognizable engagements: they developed a real-estate portal for Indiabulls and powered the original versions / booking engine for OYO (Oravel/BistroStays origin story is referenced on their site). They also delivered TeachMeNow for GEMS Education (a large e-learning rollout). These case pages highlight feature work (mobile apps + responsive web + search filters + cloud hosting) and ongoing maintenance support as key results. For historical context, NCrypted’s site documents involvement with OYO’s early product and cites BistroStays as an original platform used by Oravel.

“I’ve been working with NCrypted for over 3 years now, and they are always right there hand-in-hand for anything I need. My last experience has been incredibly quick … I will never had any bad comments or complaints with NCrypted.”
— GoguiO, Founder | Timlessther

• Recognized Flutter specialists, among the first in Poland to adopt it at scale.
• Builds native-quality apps with shared code efficiency.
• Strong integration between mobile and backend teams, ensuring cohesive product delivery.
• Focus on usability, app performance, and long-term maintenance.
• Works well with both startups launching new products and enterprises modernizing mobile solutions.

• Deep experience in native and cross-platform app development.
• Uses modern frameworks like Flutter, React Native, Kotlin, and Swift.
• Proven process from wireframes to post-launch analytics and maintenance.
• Prioritizes app speed, usability, and secure data integration.
• Experienced in multi-industry product delivery with repeat enterprise clients.

• Skilled in both Android and iOS environments, using frameworks like Flutter and React Native.
• Prioritizes app stability and performance under real usage, not just test conditions.
• Maintains a collaborative process with frequent client input during each sprint.
• Provides end-to-end support from prototyping to app store deployment.
• Ideal for startups and mid-size businesses needing robust, scalable apps without enterprise-level overhead.

• Expertise in Flutter and React Native.
• Focus on usability, speed, and long-term performance.
• Integrates apps with custom APIs and backend systems.
• Offers end-to-end mobile lifecycle services, from design to deployment.
• Experienced in multi-sector app delivery, including retail and enterprise mobility.

• Wide coverage of technologies, including mobile, e-commerce, VR, blockchain, software, and backend development.
• Experience across global markets with multi-industry project exposure.
• Ability to deliver end-to-end solutions from UI/UX to deployment and maintenance.
• Suitable for clients wanting one vendor for complete digital product development.
• Strong multi-stack capability enabling cross-platform delivery and integrations.

• Expertise in enterprise-grade backend and cloud systems
• Strong architecture and API design capability
• Ability to handle complex integrations and multi-system workflows
• Proven long-term partnerships with global companies
• Mature DevOps and CI/CD practices
• High focus on scalability, performance, and security
• Strong product-strategy support for complex software

Future Mind contributed to digital product development for YouGov, supporting backend, frontend and infrastructure components. Their work helped reinforce YouGov’s global research and data-analytics platform with scalable and maintainable software.

• Strong fit for companies looking to bring essential business functions to mobile.
• Builds apps that work in sync with web and backend environments, reducing disconnect across platforms.
• Practical approach prioritises usability and smooth operation instead of unnecessary complexity.

• Their full-stack scope, such as frontend, backend, APIs, and infrastructure, helps clients avoid fragmented vendor engagement; web frontend, backend APIs, hosting, and DevOps can all be handled in-house. 
• Their engineering emphasis and experience across multiple domains like video, manufacturing, renewables, etc. suggest they can support complex, domain-specific web platforms, not just simple websites. 
• As a near-shore provider in Romania, they may offer cost-efficient but quality-oriented delivery compared with higher-cost Western European firms, particularly beneficial for SMEs or startups.

• Support for cross-platform development ensures a wider audience reach using shared codebases. 
• End-to-end services from ideation and design through deployment and maintenance reduce vendor hand-offs. 
• Global presence gives strong oversight for domestic clients looking for responsive project management.
• Experience across industries means greater adaptability to different mobile-app use-cases. 

• They bring a strong track record in mobile with well-documented processes from ideation through deployment and maintenance. 
• Their mobile app capability spans native and cross-platform, allowing clients to weigh cost, speed, and quality trade-offs. 
• They support startups through large enterprises and have built dozens of apps across multiple industries, offering a breadth of experience and domain insight.

Client: LOCCI (civic-engagement mobile platform) - EitBiz was engaged to rebuild the mobile application for LOCCI, overcoming issues of unoptimized and redundant code, and enabling integration of modular themes to support scalability. 

Approach: EitBiz implemented a modular architecture using React Native, TypeScript, Redux, and Material UI, streamlining performance and enabling feature expansion. 

Outcome: The redesigned app achieved improved maintainability, smoother user experience, and easier rollout of future themes/modules (specific quantitative metrics were not published). Feedback:

From client reviews, EitBiz is praised for strong communication and delivery of apps that “look and function at the highest level”.

• Their mobile-first expertise influences strong, responsive web builds.
• The ability to handle both front-end and backend logic ensures cohesive, scalable websites.
• Suitable for businesses needing custom functionality rather than template-based sites.

“ClickTap engineers are very knowledgeable about the technical aspects and delivered a smooth experience.” - Verified Reviewer, Reviews.io

• Proven, long-running presence in Mumbai and experience across web technologies and CMS platforms. 
• End-to-end capability from consulting to rollout and application management, useful for clients who prefer a single vendor for delivery and support. 
• Practical focus on business outcomes and integration, not only on visual design, helpful for transactional or enterprise web projects.

• They offer a wide spectrum of services, making them suitable for clients who want one partner for front-end, back-end, integrations, and advanced technologies such as AI and blockchain.
• Their technical orientation suggests proficiency in designing scalable and secure systems, especially for businesses undergoing digital transformation.
• Being based in Ukraine, they operate within a strong European engineering talent pool known for reliability, cost efficiency, and high-quality software delivery.
• Their balanced mix of traditional development, such as web, mobile, software, and next-gen capabilities, AI, blockchain, API ecosystem, helps clients build future-ready products with modern tech foundations.
• They provide the adaptability needed for startups seeking quick MVP delivery as well as organizations requiring long-term development support.

• Well-suited for companies expanding their digital presence into mobile channels.
• Ensures UI and functionality remain aligned with the broader digital ecosystem.
• Focus on practical features that enhance user engagement and daily workflows.

• Skilled in native and hybrid app development (Flutter, React Native, Kotlin).
• Focus on user-centric design and performance optimization.
• Expertise in integrating apps with secure backend APIs.
• Proven delivery process across iOS, Android, and cross-platform ecosystems.
• Provides post-launch support and app lifecycle management.

• Skilled in delivering stable, cross-platform mobile applications.
• Designs emphasize intuitive navigation and app fluidity.
• Strong backend integration for synchronized web-mobile environments.
• Ideal for mid-sized businesses building scalable digital products.

• Skilled in native and cross-platform app development.
• Focus on UI quality, responsiveness, and app stability.
• Integrates mobile apps with backend and analytics systems.
• Experienced in startup launches and enterprise mobility.
• Offers continuous post-deployment support and updates.

• Integrated QA and UX practices embedded into development workflows
• Mobile apps designed to work reliably with enterprise backends
• Focus on usability, stability, and performance rather than visual design alone
• Structured testing processes that reduce post-launch defects
• Suitable for companies building long-term, maintainable products

• Proven expertise in native iOS/Android and cross-platform app development.
• Structured product approach from UX design to deployment and analytics.
• Focus on user retention, performance, and seamless backend integration.
• Experienced in startup app launches and enterprise mobility solutions.
• Provides long-term app maintenance and post-launch support.

Cubix is a strong choice for organizations seeking a single partner capable of handling both core development and advanced technologies under one roof. Their breadth of services allows clients to build complete digital products without coordinating multiple vendors, reducing delivery risk and integration challenges.

Cubix combines creative design with solid engineering, enabling them to deliver applications that are both visually engaging and technically robust. Their experience across emerging technologies such as AI, blockchain, VR, and game development makes them suitable for innovation-driven projects, while their structured development processes and global delivery model support scalability, predictable timelines, and consistent quality.

This balance makes Cubix particularly well-suited for businesses building complex, multi-platform digital products.

Cubix has worked with a wide range of clients across industries such as gaming, healthcare, fintech, retail, and logistics. One publicly referenced success includes the development of Micropets, a mobile game that gained strong user engagement through polished gameplay mechanics, immersive visuals, and scalable backend infrastructure. In enterprise and startup engagements, Cubix has also delivered AI-enabled platforms, blockchain-based systems, and custom mobile applications that helped clients launch new digital products, improve user engagement, and scale operations globally. Client testimonials frequently highlight Cubix’s technical expertise, communication quality, and ability to translate complex ideas into functional, market-ready solutions.