If you’ve ever tried building an app, you know the dilemma: iOS or Android? But what if you didn’t have to choose?
Cross-platform development has come a long way from the clunky, compromise-heavy days of old. Now, it’s possible to build sleek, high-performing apps that work on both platforms-without doubling your dev costs. That’s where cross-platform app development companies come in.
In the U.S., there’s no shortage of talented firms that know how to strike that perfect balance between code efficiency and user experience. Whether you’re a startup looking to make your mark or an enterprise wanting to modernize, the right partner can make or break your app’s success.
In this guide, we’ll walk through some of the top cross-platform development companies in the U.S., what sets them apart, and how to pick the one that fits your project like a glove.
At Lengreo, we work closely with B2B companies to develop and execute digital strategies that actually fit the way they operate. Rather than offering one-size-fits-all solutions, we focus on aligning with our clients’ internal teams and helping them build something that can grow with their goals. Our process is hands-on, and we often become part of our client’s workflow instead of sitting on the outside as just another agency. When needed, we’re open to meeting in person in Central Europe and USA, which adds a practical layer of collaboration. We are a cross-platform application development company. Our work ranges from generating leads and setting appointments to building full websites and handling content, paid ads, and SEO. We adjust our strategy depending on the current priorities-sometimes that means focusing on demand generation, other times it’s about tightening up existing campaigns or filling in where internal capacity is stretched. We’re usually more involved than just delivering a single report or asset. The aim is to give structure and momentum to our clients’ digital presence in a way that’s easy to track and build on.
Hoofdzaken:
- Work closely with internal client teams
- Offer in-person collaboration in Central Europe and USA
- Combine strategy with execution across channels
- Adjust approach based on shifting goals or market conditions
- Emphasis on transparency and steady communication
Diensten:
- B2B digitale marketingstrategie en advies
- Leadgeneratie en afspraken maken
- Zoekmachineoptimalisatie (SEO)
- Sociale media en contentmarketing
- Paid advertising services
- Vraagontwikkeling
- Website ontwikkeling
Contact- en sociale media-informatie:
ScienceSoft is a U.S.-based software development and IT consulting company that has been around since 1989. They work with clients from various industries, offering technical expertise and support across different types of software projects. Their development process tends to emphasize clarity and predictability. They provide a mix of consulting and hands-on development services, helping companies either build solutions from scratch or modernize existing ones. Their team takes on responsibilities like planning, development, integration, and ongoing support. ScienceSoft’s approach leans toward stable execution and keeping communication channels open throughout the process.
Hoofdzaken:
- U.S.-based company with global delivery capabilities
- Long operational history in the software development space
- Emphasis on clear communication and on-time delivery
Diensten:
- Softwareontwikkeling op maat
- IT-advies
- Modernisering van toepassingen
- Cross-platform app development
- Software integration
- Onderhoud en ondersteuning
Contactgegevens:
- Website: www.scnsoft.com
- E-mail: contact@scnsoft.com
- Facebook: www.facebook.com/sciencesoft.solutions
- Twitter: x.com/ScienceSoft
- LinkedIn: www.linkedin.com/company/sciencesoft
- Adres: 5900 S. Lake Forest Drive, Suite 300 McKinney, omgeving Dallas, TX-75070
- Telefoon: +1 214 306 68 37
Itransition is a software engineering company that’s been delivering solutions to clients for over two decades. With a sizable team and international presence, they work on both consumer and enterprise software projects. Their development process focuses on adapting to the client’s business context, rather than simply building to a fixed template. They place a lot of attention on fitting into a company’s internal processes and adjusting their engagement model as needed. One of their key operational practices is transparency. Clients typically get access to reporting tools, test environments, and regular check-ins throughout the project. Itransition also tailors their staffing model depending on the complexity of the tasks, which allows them to adjust resources dynamically. Their broad experience spans different sectors and tech stacks, which they use to guide clients through the full lifecycle of a digital product.
Hoofdzaken:
- Offers full-cycle software development
- Adaptive team structure based on project needs
- Project transparency with regular updates and reporting tools
Diensten:
- Ontwikkeling van bedrijfsapplicaties
- Consumer app development
- Cross-platform mobiele ontwikkeling
- Cloud-gebaseerde oplossingen
- Software modernization
- System integration and support
Contactgegevens:
- Website: www.itransition.com
- E-mail: info@itransition.com
- Facebook: www.facebook.com/Itransition
- Twitter: x.com/itransition
- LinkedIn: www.linkedin.com/company/itransition
- Address: Decatur 160 Clairemont Ave, Suite 200, GA 30030
- Telefoon: +1 720 207 2820
Itexus is a custom software development company that started in 2013. They’ve worked with a mix of startups and larger businesses, using a wide range of technologies to match the specific needs of each project. Their development strategy puts a lot of weight on selecting the right tech stack upfront. This is usually done through a collaborative process, where they advise on options but let the client make the final decision based on performance, scalability, cost, and other factors. The company tends to stay current with modern engineering practices and aims to build software that is both stable and scalable. They’re involved throughout the lifecycle of a product, from planning to post-release support. While they offer flexibility in technology, their approach remains grounded in matching technical solutions with business goals.
Hoofdzaken:
- Focus on choosing the right tech stack per project
- Emphasis on aligning technology with business requirements
- Provides support across the full product lifecycle
Diensten:
- Softwareontwikkeling op maat
- Applicatieontwikkeling voor meerdere platforms
- Technical consulting and architecture planning
- Product discovery and MVP design
- Maintenance and post-launch support
Contactgegevens:
- Website: itexus.com
- E-mail: info@itexus.com
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- LinkedIn: www.linkedin.com/company/itexus
- Instagram: www.instagram.com/itexus.soft
- Adres: 8, The Green, STE road, Dover, DE 19901
Zco Corporation works on building custom digital solutions for clients who need mobile and web applications. They’ve been involved in a wide range of software projects, including areas like augmented reality, enterprise platforms, and backend systems. Their team includes developers, artists, and project managers who handle different parts of the development process under one roof.
Their client base ranges from small startups to larger organizations. The company often handles both front-end and back-end work and provides support across the full development lifecycle. Depending on the project, their approach may involve custom feature development, visual design, or large-scale infrastructure planning.
Hoofdzaken:
- Offers both mobile and web application development
- In-house team with different technical roles
- Works with a variety of client sizes and industries
Diensten:
- Ontwikkeling van mobiele apps
- Ontwikkeling van webtoepassingen
- Softwareontwikkeling op maat
- Backend and infrastructure support
- Augmented reality applications
Contactgegevens:
- Website: www.zco.com
- E-mail: info@zco.com
- Facebook: www.facebook.com/ZcoCorporation
- Twitter: x.com/zcocorporation
- LinkedIn: www.linkedin.com/company/zco-corporation
- Address: 745 Atlantic Ave Boston, MA 02111, USA
- Phone: 855-926-2777
Cleveroad is a software development company that focuses on web and mobile solutions. They’ve been in the industry since 2011 and operate as a full-cycle development partner. Their teams are involved from the early planning stages all the way through delivery and post-launch updates. They tend to approach projects with a focus on flexibility and responsiveness to change.
The company emphasizes structured planning and consistent quality checks. They aim to involve clients in each stage of the process, using clear communication and transparent workflows. Their teams often adjust quickly to shifting project scopes or requirements, which can be helpful in fast-paced product development environments.
Hoofdzaken:
- Full-cycle development services from idea to launch
- Focus on flexibility and quick response to change
- Emphasis on quality control and ISO-compliant processes
- Encourages transparent and collaborative workflows
Diensten:
- Ontwikkeling van mobiele en webapps
- UI/UX-ontwerp
- QA and testing services
- Toegewijde ontwikkelingsteams
- Product discovery and planning
Contactgegevens:
- Website: www.cleveroad.com
- E-mail: info@cleveroad.com
- Facebook: www.facebook.com/cleveroadinc
- Twitter: x.com/cleveroad
- LinkedIn: www.linkedin.com/company/cleveroad
- Instagram: www.instagram.com/cleveroadinc
- Address: USA, Claymont2093 Philadelphia Pike #1655
- Phone: +1 415 231 3721
Cubix develops software solutions for businesses and organizations looking to launch or improve digital products. They’ve been active since 2008 and work on projects that include mobile apps, enterprise software, and web-based platforms. Their process tends to follow agile methods, allowing for quick iterations and regular client feedback.
Their team structure supports cross-functional collaboration, involving both product-focused and technical roles. They also emphasize internal coordination and regular updates throughout the development timeline. Their work usually includes building new solutions from the ground up, integrating tech stacks, and improving existing platforms.
Hoofdzaken:
- Uses agile development methods
- Covers mobile, web, and enterprise software
- Focus on collaborative internal and client workflows
- Works on both new products and platform upgrades
Diensten:
- Ontwikkeling van mobiele applicaties
- Web and enterprise software solutions
- Agile project management
- Software modernization and integration
- Technical consulting and planning
Contactgegevens:
- Website: www.cubix.co
- E-mail: info@cubix.co
- Facebook: www.facebook.com/Cubix.Worldwide
- Twitter: x.com/CubixWorldwide
- LinkedIn: www.linkedin.com/company/cubixglobal
- Adres: 560 Village Blvd., Suite 120 #3, West Palm Beach, FL-33409, Verenigde Staten
- Telefoon: 866-978-2220
Coherent Lab focuses on developing mobile and web applications for clients across various industries. Established in 2017, the company works with both startups and established businesses, offering development services designed around scalability and usability. Their team includes developers with experience in building cross-platform solutions, often tailoring each project to specific business requirements.
They operate with a distributed model and claim to be accessible around the clock, providing support during development and after delivery. Their past work includes mobile apps, web platforms, and other digital products with attention to functionality and basic user interface design. While they serve a range of business types, their approach leans on offering direct communication and predictable delivery timelines.
Hoofdzaken:
- Founded in 2017 with a focus on cross-industry app development
- Develops mobile and web applications for various business sizes
- Operates with 24/7 availability for support and communication
- Offers custom software solutions tailored to project scope
Diensten:
- Cross-platform app development
- Ontwikkeling van webtoepassingen
- Ontwikkeling van mobiele applicaties
- UI/UX implementation
- Ongoing technical support
Contactgegevens:
- Website: www.coherentlab.com
- E-mail: business@coherentlab.com
- Facebook: www.facebook.com/coherentlab
- LinkedIn: www.linkedin.com/company/coherentlab
- Instagram: www.instagram.com/coherentlab
- Address: 111 E. Washington St. PH-3011 | Orlando, FL 32801
- Phone: +91 774-202-1725
EitBiz provides software, web, and mobile app development services for businesses of different sizes, including startups, SMEs, and larger corporations. Their approach generally involves initial research and planning before starting technical work, aiming to align the output with business-specific goals. They work across sectors such as healthcare, fintech, and e-commerce.
Security and compliance are key focus areas for the company. They mention adhering to industry regulations and standards, and also offer post-launch support services to maintain app performance. Their team covers design, development, and maintenance phases, with some attention given to modern UI and backend infrastructure.
Hoofdzaken:
- Works across multiple industries including healthcare and fintech
- Incorporates planning and research before development
- Emphasizes security and compliance during the project lifecycle
- Offers post-launch maintenance and update support
Diensten:
- Softwareontwikkeling op maat
- Ontwikkeling van mobiele en webapps
- UI/UX-ontwerp
- Compliance-focused development (e.g. GDPR, HIPAA)
- Application maintenance and updates
Contactgegevens:
- Website: www.eitbiz.com
- E-mail: info@eitbiz.com
- Facebook: www.facebook.com/EitBiz
- LinkedIn: www.linkedin.com/company/eitbiz
- Instagram: www.instagram.com/eitbiz
- Address: 5534 Saint Joe Road, Fort Wayne,IN, 46835, USA
- Phone: +1-317-463-7064
Softeq builds custom tech solutions with a focus on connected systems and emerging technologies. They’re involved in areas like AI, machine learning, IoT, robotics, and wearables. Originally focused on new product development and R&D, they’ve expanded into digital transformation services and startup support through their internal venture studio.
Their structure allows them to handle both enterprise-level solutions and early-stage product ideas. They offer development under one roof, which includes consulting, design, prototyping, and engineering. Their projects often involve working with hardware as well as software, particularly in sectors that need embedded systems or real-time data processing.
Hoofdzaken:
- Focus on connected and hardware-integrated solutions
- Offers internal R&D and startup support services
- Handles full-cycle development from idea to deployment
Diensten:
- Cross-platform app development
- Embedded software engineering
- Oplossingen voor AI en machinaal leren
- IoT and wearable tech integration
- Product design and prototyping
Contactgegevens:
- Website: www.softeq.com
- Facebook: www.facebook.com/softeq
- Twitter: x.com/Softeq
- LinkedIn: www.linkedin.com/company/softeq
- Instagram: www.instagram.com/softeq
- Address: Dairy Ashford Rd., Suite 125 Houston, Texas 77079 USA
- Phone: + 1 281 552-5000
GeekyAnts is a product development company that builds applications with a focus on scalability and performance. Their approach is guided by an AI-driven, customer-focused model. They work with businesses at different stages, from startups building their first product to established companies aiming to scale existing systems.
The company blends design, engineering, and strategy into its workflows, using modern tech stacks across mobile and web platforms. Their projects often involve collaboration between cross-functional teams, emphasizing flexibility and quick iteration. GeekyAnts also puts effort into internal knowledge sharing and community-building around product development practices.
Hoofdzaken:
- Offers AI-driven, customer-centered development approach
- Works with businesses across different growth stages
- Focuses on scalability and performance
- Emphasizes collaboration and agile methods
Diensten:
- Ontwikkeling van cross-platform mobiele apps
- Ontwikkeling van webtoepassingen
- Product planning and prototyping
- UI/UX-ontwerp
- Softwareontwikkeling op maat
Contactgegevens:
- Website: geekyants.com
- E-mail: info@geekyants.com
- Facebook: www.facebook.com/geekyants
- Twitter: x.com/geekyants
- LinkedIn: www.linkedin.com/company/geekyants-software-pvt-ltd
- Instagram: www.instagram.com/geekyantsofficial
- Address: 315 Montgomery Street, 9th & 10th floors,San Francisco, CA, 94104, USA
- Phone: +1 845 534 6825
Codiant develops software across mobile, web, and enterprise platforms. Starting from a small team in Illinois, they now handle a variety of digital projects including iOS, Android, Flutter, and React Native development. Their services are designed to support clients from early planning through full-scale development, with the ability to cover both native and cross-platform builds.
They also offer MVP development and progressive web app services for businesses looking to test ideas quickly or reach users across multiple device types. Codiant’s development work includes custom UI design, backend integration, and post-launch updates. Their team works with a range of technologies and adjusts based on the project’s platform and complexity.
Hoofdzaken:
- Works on native and cross-platform app development
- Offers MVP and PWA development for fast market entry
- Covers full-cycle mobile and web development
- Uses a wide range of frameworks and tools
Diensten:
- iOS app development
- Android app development
- Flutter and React Native development
- MVP product development
- Progressive web app (PWA) development
- UI/UX and system integration
Contactgegevens:
- Website: codiant.com
- E-mail: info@codiant.com
- Facebook: www.facebook.com/Codiant
- Twitter: x.com/CODIANTSoftware
- LinkedIn: www.linkedin.com/company/codiant-a-yash-technologies-company
- Instagram: www.instagram.com/codiant
- Address: 455 Avenue of the Cities, East Moline, IL – 61244
- Phone: +1-309-278-0633
Designli works with startups, small businesses, and mid-market enterprises to build custom mobile and web applications. They focus on helping non-technical founders and internal teams get software products off the ground with flexible development models. Their typical approach starts with an MVP that forms the base for future iterations and scaling.
The company offers adaptable development teams that can adjust to different stages of a product lifecycle. They handle both early-stage product strategy and long-term implementation work, aiming to blend speed with structured planning. Their client relationships often continue after the initial release, covering updates and feature rollouts based on product traction.
Hoofdzaken:
- Works with startups, SMBs, and mid-sized enterprises
- Offers flexible team scaling depending on project stage
- Focus on MVPs with ongoing iteration
- Support across full product development cycles
Diensten:
- Cross-platform app development
- MVP planning and launch
- Ontwikkeling van web- en mobiele applicaties
- Product strategy and roadmapping
- Ongoing feature development and maintenance
Contactgegevens:
- Website: designli.co
- E-mail: hello@designli.co
- Facebook: www.facebook.com/designli
- Twitter: x.com/designlico
- LinkedIn: www.linkedin.com/company/designli
- Instagram: www.instagram.com/designlico
- Address: 141 Traction Street, Greenville, South Carolina 29611
- Phone: 864-516-8805
Velvetech partners with businesses to build software solutions using modern technologies, including AI, cloud infrastructure, and data systems. They operate across full product development cycles and work closely with both business and IT leadership within client organizations. Their focus areas include digital transformation, enterprise applications, and industry-specific systems.
The team aims to combine technical execution with long-term client collaboration. Their services include everything from early planning and system design to delivery and post-launch support. Projects often involve integrating new tools with existing systems or scaling platforms with evolving business needs. The company puts effort into maintaining transparency and continuous progress through agile processes.
Hoofdzaken:
- Works across full digital product lifecycle
- Uses AI, cloud, and data technologies
- Focuses on long-term client collaboration
- Applies agile development practices
Diensten:
- Softwareontwikkeling op maat
- Applicatieontwikkeling voor meerdere platforms
- Integratie van AI en machine learning
- Cloud architecture and infrastructure
- Enterprise software implementation
Contactgegevens:
- Website: www.velvetech.com
- E-mail: sales@velvetech.com
- Facebook: www.facebook.com/velvetech
- Twitter: x.com/velvetech
- LinkedIn: www.linkedin.com/company/velvetech
- Address: 18101 Collins Ave, Suite 1208 Sunny Isles Beach, FL 33160
- Phone: +1-847-559-0864
Codingscape is a U.S.-based, remote-first software development company that integrates directly with clients’ existing workflows. They focus on partnering with growth-stage businesses and enterprises to accelerate software delivery without the delays of hiring or onboarding internal teams. Their teams are designed to plug in quickly, usually within weeks of project kickoff.
Their way of working emphasizes clarity, structured documentation, and frequent updates. Rather than following traditional outsourcing models, they aim to function as part of the client’s internal team. The company typically supports long-term tech roadmaps, focusing on agile development and senior-level engineering input across product development stages.
Hoofdzaken:
- Remote-first development model
- Fast onboarding and team integration
- Works with growing businesses and enterprise teams
- Emphasis on documentation and transparency
Diensten:
- Cross-platform app development
- Agile product engineering
- Software architecture consulting
- Backend and frontend development
- Embedded development teams
Contactgegevens:
- Website: codingscape.com
- Facebook: www.facebook.com/codingscape
- Twitter: x.com/codingscape
- LinkedIn: www.linkedin.com/company/codingscape
Conclusie
Cross-platform development isn’t just about writing code that runs on more than one device. It’s about finding the right team that understands your product, your users, and how to get something useful out the door without wasting months on back-and-forth or building things twice. The companies working in this space across the U.S. all bring different strengths to the table-some focus more on seamless team integration, others bring deep tech experience, and a few lean into flexibility and quick scaling.
What’s clear is there’s no single formula for what makes a great cross-platform partner. It comes down to how well they align with your way of working, how they handle the messy middle between idea and launch, and whether they actually listen when something needs to shift. The technical side matters, sure, but so does the way they communicate, plan, and adapt. And in this space, those softer factors often end up making the biggest difference.
