Top United States-based Cross Platform Firms

Are you looking for the right Cross Platform company in the United States? When your app must launch on multiple devices fast, Cross Platform choices become mission-critical to budget, timelines, scalability, and user experience. With so many vendors, how do you filter signal from noise and pick the one built for your stack and stage? That is why data-driven research matters.

ITProfiles connects you with the right US-based Cross Platform agency using our ITP Score, a rigorous data scan across the web that identified 254 companies. We deliver an unbiased list, neutral expert analysis, and clear pros and cons for every company we cover.



Recent white-glove matches:

A California healthcare provider matched with 3 agencies for a patient portal modernization project
A UAE real estate firm matched with 2 agencies to develop a property management and CRM system
A Netherlands-based startup matched with 3 agencies to develop an AI-powered document processing application
Denver-based SMB connected with 3 agencies for their automation project
An Australian eCommerce brand matched with 5 agencies to migrate their store to Shopify Plus
A Canadian logistics company connected with 3 agencies for a custom fleet management platform
A US nonprofit organization connected with 2 agencies for a donor management platform
Swedish startup matched with 2 agencies that required a HIPAA-compliant tool for their app
A German manufacturing company connected with 2 agencies for an AI-powered predictive maintenance solution
A UK fintech startup connected with 4 agencies to build a secure customer onboarding platform

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Expert-Recommended Cross Platform Companies in United States

264 Companies Showing 51 - 100 Updated on September 11, 2026 Editor:
    Priyanshi Upadhyay
Every agency on ITProfiles is evaluated for expertise and client feedback to help you make informed decisions. See how we rank companies
  • App development & digital platforms made simple.

    Robosoft Technologies is an experience engineering company.
    Cross Platform, Android App Development, Smart TV
    • 201-500 Members
    • $100 - $149/hr
    • $25,000 to $50,000
  • Full-Service Digital Agency: Mobile First, AI & Game Development

    The Apptitude (theapptitude.com) is a Houston-based full-service digital agency that positions itself as a "digital transformation company" with capabilities spanning mobile app development, AI solutions, game development, web design, and digital marketing. Their website tagline — "empowering businesses with AI solutions, game development, and app development" — signals a broader scope than most mobile-focused firms.Their on-ITProfiles service allocation confirms the mobile focus: Mobile App Development receives 60% of their effort (with Android at 30% and Cross-Platform at 30%), followed by VR (10%), IT Support (10%), Software Development (10%), and Web Development (10%). This distribution suggests they are primarily a mobile-centric shop that has expanded into adjacent digital services.Based in Houston, TX with 51-100 employees and project sizes of $25,000-50,000 at $25-49/hr rates, they offer a US-based team with competitive pricing. Their Facebook page (2.5K followers) uses the tagline "We rock Apps and play with Marketing." Their LinkedIn describes them as a "one-stop-shop for making your business amazing" — a tone that positions them as approachable for small-to-mid-market clients.
    Cross Platform, Android App Development, Other OS
    • 51-100 Members
    • $25 - $49/hr
    • $25,000 to $50,000

    Mobile-First Digital Transformation for US Mid-Market

    The Apptitude fits Houston-area businesses and US mid-market companies that need a mobile-first digital partner with expansion into AI and game development. Their US-based team, $25-49/hr rates, and full-service positioning make them accessible for companies that want more than just app development but less than a large agency commitment.

    Houston-Based, Mobile-First Engineering

    With 60% of service focus on mobile app development, The Apptitude is structurally optimized for mobile-first projects. Their Houston location provides US timezone alignment and local meeting options for Texas-based clients — a practical advantage over fully remote or offshore alternatives for collaborative discovery phases.

    VR, Game Dev & AI as Adjacent Capabilities

    Beyond core mobile development, The Apptitude offers VR (10%), game development, and AI solutions. For companies building products that combine mobile UX with gamification, VR experiences, or AI features, this reduces the need to coordinate multiple specialized vendors.
  • Wve Labs
    Irvine, United States

    Wve Labs is a cutting-edge technology company based in Irvine, CA, dedicated to providing innovative solutions to our clients.
    Cross Platform, Android App Development
    • 51-100 Members
    • $50 - $99/hr
    • $10,000 to $25,000
  • Confianz Global, Inc is a leading software solutions provider based in Charlotte, NC. We specialize in ERP, mobile app development, and custom development services for businesses of all sizes.
    Cross Platform, Android App Development, iPad
    • 51-100 Members
    • $50 - $99/hr
    • $25,000 to $50,000
  • Appluex
    Miami, United States

    Miami-Based UX & Web Development for Local Businesses

    Appluex is a digital agency based in Miami, FL specializing in user experience design, web design, web development, and mobile app development. Their service focus centers on creating "exceptional digital experiences" with a user-centric design approach intended to help businesses achieve their objectives and differentiate themselves in competitive markets.Covering the South Florida market with 21-50 employees and project pricing in the $10,000-25,000 range, Appluex is positioned for small-to-mid-market businesses that need professional web and mobile design but may not require the scope of larger agencies. Their approach follows a user-centered methodology for both websites and mobile apps, with attention to the latest design trends and responsive optimization.Key limitations for buyers: publicly available third-party reviews and independent case studies with measured outcomes are limited. No formal technology certifications or partnerships are documented in public listings. Direct consultation is recommended to assess portfolio depth, technical stack, and specific industry experience before engagement.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $50 - $99/hr
    • $10,000 to $25,000

    South Florida UX & Web Design for Small-to-Mid Businesses

    Appluex suits Miami-area and South Florida businesses seeking professional web design and UX services at mid-range pricing. Their local presence enables in-person collaboration for companies that prefer face-to-face discovery and design reviews over fully remote engagements.

    South Florida Onshore Presence

    Appluex's Miami, FL location provides Eastern Time Zone alignment and local accessibility for Florida businesses that value in-person meetings and regional market understanding. This is a practical advantage for local clients over fully remote or out-of-state alternatives.

    User-Centered Design Methodology

    Appluex follows a structured, user-centered process for both web and mobile projects, emphasizing intuitive interfaces and customer-focused design. Their approach suits businesses that prioritize user experience and conversion optimization over purely aesthetic-driven design.
  • AppZoro Technologies, Inc. is a leading software development company based in Atlanta, GA.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $50 - $99/hr
    • $10,000 to $25,000
  • Flynaut LLC
    Charlotte, United States

    Flynaut LLC is a full-service digital agency based in Charlotte, NC. We specialize in Artificial Intelligence, Mobile & App Marketing, Web Development, User Experience, Mobile App Development, and Development.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $50 - $99/hr
    • $10,000 to $25,000
  • Solving Gnarly Software Problems. Faster.

    Gnar is a Boston-based Software Development Company offering a Bug Free Warranty.
    Cross Platform, Android App Development, iPhone App Development
    • 21-50 Members
    • $150 - $199/hr
    • $25,000 to $50,000
  • Making life more user-friendly

    We specialize in creating custom web software and applications. We use modern technologies across the whole stack, and deploy a cloud infrastructure that scales and adapts with ease.
    Cross Platform, Android App Development, iPhone App Development, iPad
    • 2-10 Members
    • $50 - $99/hr
    • < $5,000
  • Satisfying the masses with powerful mobile apps

    Blitz Mobile Apps, leading mobile app Development company in USA, dives headfirst into today s dynamic market s challenges to provide robust, scalable, and outcome-oriented mobile app development solutions to help businesses scale.
    Cross Platform, Android App Development, iPhone App Development, iPad
    • 201-500 Members
    • $50 - $99/hr
    • $5,000 to $10,000
  • EltexSoft
    Burbank, United States

    Web Solutions | Mobile Apps | Team Augmentation

    At EltexSoft we build custom software solutions, as well as augment existing engineering teams of startups, Fortune 500 and INC 5000 companies
    Cross Platform, Android App Development, iPhone App Development, iPad
    • 21-50 Members
    • $50 - $99/hr
    • $10,000 to $25,000
  • Product Engineering Powerhouse: 20 Years, 300+ Clients, 70+ Case Studies

    Experion Technologies (experionglobal.com) is a product engineering firm that brings unusual depth to the category: 20+ years, 300+ clients, and 70+ published case studies with snapshots spanning Fortune 500 enterprises to early-stage startups. Their website describes them as singularly focused on building digital products by "harnessing Web, Data Science, Analytics, ML, AI, Cloud, IoT, and mobile technologies."Their awards and recognitions are extensive: six-time America's Fastest Growing Companies (2018-2023), Clutch Global Award Winner 2024, Everest Group Digital Product Engineering Matrix inclusion, Frost & Sullivan Customer Value Leadership Award 2022, Deloitte Fast50 Tech Company, Great Place to Work certified (2022-2024), and Product of the Year (IoT Evolution). These are independently verified recognitions that provide confidence beyond self-reported marketing claims.They serve healthcare/life sciences, transport/logistics, retail, BFSI, engineering/construction, edtech, and real estate. Their capabilities span Strategy & Consulting, Product Incubation, Experience Design, Digital Product Engineering, Insights & Automation (AI/ML/data), Product Testing, and Product Maintenance — covering the full product lifecycle from concept through ongoing iteration.
    Cross Platform, Android App Development, iPad
    • 1001-2000 Members
    • $25 - $49/hr
    • $10,000 to $25,000

    Enterprise Product Engineering with Proven Scale

    Experion fits enterprises and scale-ups that need a product engineering partner with proven scale — 300+ clients, 70+ documented case studies, and multiple independent industry recognitions. Their full-lifecycle coverage (strategy to maintenance) suits organizations that want a long-term product partner rather than a project-based vendor.

    70+ Published Case Studies Across Industries

    Experion's 70+ case study snapshots provide industry-specific reference material for buyers evaluating vendor fit. This level of documented work is rare among product engineering firms and reduces evaluation risk by allowing prospects to study comparable projects before engagement.

    Six-Time America's Fastest Growing Company

    Experion's six consecutive years on the America's Fastest Growing Companies list (2018-2023) indicates sustained market demand and operational scalability. Combined with Deloitte Fast50 recognition, these independent awards suggest a well-managed organization that has grown through client success rather than capital injection.
  • Saritasa
    Newport Beach, United States

    Builders of Better

    Saritasa is a leading software development company located in Newport Beach, CA. We specialize in eCommerce development, mobile app development, web development, virtual reality, and software development.
    Cross Platform, Android App Development, iPad
    • 51-100 Members
    • $100 - $149/hr
    • $50,000 to $75,000
  • KITRUM
    Tampa, United States

    Always new

    What is Kitrum? Kitrum boosts IT solutions for your business - fast, smart, and nimble. MVP for several weeks, improvements and complex features for months, scaling for a year, and support with maintenance - forever.
    Cross Platform, Android App Development
    • 201-500 Members
    • $50 - $99/hr
    • $25,000 to $50,000
  • Sapphire Software Solutions is a leading technology company located in Coral Springs, FL.
    Cross Platform, Android App Development, iPad
    • 201-500 Members
    • $10 - $24/hr
    • $10,000 to $25,000
  • Method
    New York, United States

    Method is a leading product engineering and digital strategy company based in New York, NY. Our team of experts specializes in mobile app development, software development, user experience, and development.
    Cross Platform, Android App Development
    • 201-500 Members
    • $150 - $199/hr
    • $50,000 to $75,000
  • Velvetech LLC
    Sunny Isles Beach, United States

    Velvetech LLC is a leading software development company based in Sunny Isles Beach, FL. We specialize in providing IoT services, web development, CRM solutions, mobile app development, and software development to businesses of all sizes.
    Cross Platform, Android App Development, iPad
    • 51-100 Members
    • $50 - $99/hr
    • $25,000 to $50,000
  • Langate Software is a leading software development company based in Fort Lee, NJ. We specialize in providing innovative solutions in Mobile App Development, Web Development, Staff Augmentation, Software Development services to businesses of all sizes.
    Cross Platform, Android App Development
    • 51-100 Members
    • $50 - $99/hr
    • $25,000 to $50,000
  • Sonatafy Technology is a leading software development company based in Scottsdale, AZ. Our team of experts specializes in providing a wide range of services including Testing, Digital Strategy, Web Development, Software Development, Mobile App Development.
    Cross Platform, Android App Development, Windows
    • 51-100 Members
    • $50 - $99/hr
    • $50,000 to $75,000
  • VAIRIX Software Development is a leading technology company based in Boston, MA. We specialize in providing a wide range of services, including Testing, Consulting, Web Development, Staff Augmentation, Mobile App Development, and Software Development.
    Cross Platform, Android App Development
    • 51-100 Members
    • $50 - $99/hr
    • $25,000 to $50,000
  • Axel
    Tampa, United States

    Just Think. We ll Do The Rest.

    Located in the vibrant city of Tampa, FL, Axel is a cutting-edge company that specializes in providing top-notch user experience and web development services.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $50 - $99/hr
    • $25,000 to $50,000
  • Making your App the best it can be

    It s time for Global Recognition! Meta App Designs is a global guru in mobile application design and development. We create comprehensive applications and games for entrepreneurs, startups, and enterprises across various platforms, such as Android and iOS.
    Cross Platform, Android App Development, Windows
    • 21-50 Members
    • $25 - $49/hr
    • $25,000 to $50,000
  • Compoze Labs
    Minneapolis, United States

    Connect Everything

    Compoze Labs, headquartered in Minneapolis, MN, is a cutting-edge technology company that specializes in development and mobile app development. With a team of skilled professionals, we offer innovative solutions to help businesses stay ahead in the digital world.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $150 - $199/hr
    • $10,000 to $25,000
  • Kwanso LLC
    San Francisco, United States

    A Custom Software Development Shop

    Located in the heart of San Francisco, Kwanso LLC is a premier technology company that specializes in providing top-notch eCommerce development, user experience, software development, IoT services, mobile app development, and web development solutions.
    Cross Platform, Android App Development, iPad
    • 51-100 Members
    • $25 - $49/hr
    • $25,000 to $50,000
  • Pegasus One
    Fullerton, United States

    Offshore Value, Local Service.

    Recognized as one of Inc.
    Cross Platform, Android App Development, iPad
    • 51-100 Members
    • $25 - $49/hr
    • $10,000 to $25,000
  • Located in Apex, NC, RoleModel Software is a cutting-edge company that specializes in Mobile App Development, User Experience, Software Development, and Web Development.
    Cross Platform, iPad, iPhone App Development
    • 21-50 Members
    • $150 - $199/hr
    • $5,000 to $10,000
  • Design and software development for startups

    We help startups build great digital products by providing dedicated software developers & designers.
    Cross Platform, Android App Development
    • 51-100 Members
    • $50 - $99/hr
    • $50,000 to $75,000
  • Welcome to Neon Rain Interactive, a leading tech company based in Denver, CO.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $100 - $149/hr
    • $5,000 to $10,000
  • Welcome to Sunlight Media LLC, your premier digital solutions provider in Los Angeles, CA.
    Cross Platform, Android App Development, iPad
    • 2-10 Members
    • $50 - $99/hr
    • < $5,000
  • Successive Digital is a leading digital solutions provider based in Dallas, TX. We specialize in delivering top-notch services tailored to meet the unique needs of our clients.
    Cross Platform, Android App Development, iPad
    • 1001-2000 Members
    • $25 - $49/hr
    • $5,000 to $10,000
  • A #digital innovation firm.

    Robots & Pencils develops innovative digital strategies and products with exponential impact for clients in education, financial services, and retail & consumer goods.
    Cross Platform, Android App Development, iPad
    • 51-100 Members
    • $100 - $149/hr
    • $25,000 to $50,000
  • Xplode Marketing is a dynamic marketing agency based in Sarasota, FL, dedicated to helping businesses thrive in the digital landscape. Specializing in a range of services, Xplode Marketing is committed to providing innovative solutions to elevate brands and drive success.
    Cross Platform
    • 2-10 Members
    • $100 - $149/hr
    • $10,000 to $25,000
  • States of Matter is a design and development agency based in the vibrant city of Seattle, WA. We pride ourselves on creating innovative solutions that resonate with our clients and their audiences.
    Cross Platform, Android App Development, iPad
    • 2-10 Members
    • $100 - $149/hr
    • $5,000 to $10,000
  • AtliQ Technologies
    Monroe Township, United States

    Consult, Build, Scale!

    At AtliQ, we help startups and businesses achieve their potential and even exceed it. We are a Technology Consulting & Implementation company!
    Cross Platform, Android App Development, iPad
    • 51-100 Members
    • $25 - $49/hr
    • $10,000 to $25,000
  • Your AI, Custom Software, & Databricks Partner

    With over 25 years of experience, Xorbix Technologies has established itself as a leader in technological innovation, specializing in AI, custom software, and data solutions from our Milwaukee headquarters.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $150 - $199/hr
    • $10,000 to $25,000
  • DevsX
    Wilmington, United States

    Startup & Custom Software Development

    DevsX is a software development company specializing in custom CRM and ERP solutions. Our team of world-class developers focuses on digitalization to enhance business effectiveness through pioneering software technologies.
    Cross Platform, Android App Development, Other OS
    • 21-50 Members
    • $25 - $49/hr
    • $10,000 to $25,000
  • Tevpro
    Houston, United States

    Tevpro, based in Houston, TX, is a leading technology company specializing in Development and Mobile App Development services.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $100 - $149/hr
    • $10,000 to $25,000
  • We Build Great Software

    Dualboot Partners is a leading technology consulting firm based in Charlotte, NC. Our team of experts specializes in Artificial Intelligence, Mobile App Development, Cloud Computing, User Experience, Web Development, Software Development, and Development services
    Cross Platform, Android App Development, iPad
    • 201-500 Members
    • $75,000 to $100,000
  • Microsoft Dynamics, Salesforce.com, Power BI, Odoo

    At Traction, we help clients leverage the power of Office 365, Microsoft Dynamics 365, Microsoft Business Central, Salesforce.
    Cross Platform
    • 21-50 Members
    • $150 - $199/hr
  • As the leading software development company in the bustling city of Atlanta, GA, Dedicated Developers is committed to providing top-notch digital solutions to businesses of all sizes.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $50 - $99/hr
    • $25,000 to $50,000
  • Blue Whale Apps is a leading digital product development company located in Herndon, Virginia. We specialize in creating innovative and user-friendly mobile apps, web applications, and custom software solutions for businesses of all sizes.
    Cross Platform, Android App Development, AI Consulting
    • 51-100 Members
    • $150 - $199/hr
    • $75,000 to $100,000
  • At Triare, we are a team of dedicated professionals who are passionate about helping businesses achieve their goals through technology. Our company is based in FairFax, where we have been providing top-notch IT services for over 15 years.
    Cross Platform, Android App Development, iPad
    • 51-100 Members
    • $25 - $49/hr
    • $10,000 to $25,000
  • Twin Sun
    Nashville, United States

    Twin Sun is a leading technology company based in Nashville, TN, dedicated to providing innovative solutions to businesses worldwide. At Twin Sun, we pride ourselves on delivering cutting-edge services tailored to meet the unique needs of our clients.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $150 - $199/hr
    • $25,000 to $50,000
  • Five Pack
    Frisco, United States

    Five Pack is a leading technology solutions provider based in Frisco, TX. We pride ourselves on delivering innovative and tailored services to meet the diverse needs of our clients.
    Cross Platform, Android App Development, iPad
    • 51-100 Members
    • $150 - $199/hr
    • $50,000 to $75,000
  • Cultivate Brands is a leading creative agency based in Chicago, IL, specializing in providing innovative solutions to elevate your brand presence in the market.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $150 - $199/hr
    • $10,000 to $25,000
  • Welcome to Brainvire Infotech Inc, a leading IT solutions provider located in Irving, TX. We are a team of passionate and dedicated professionals who strive to deliver innovative and cutting-edge solutions to our clients.
    Cross Platform, Android App Development, iPad
    • 201-500 Members
    • $25 - $49/hr
    • $25,000 to $50,000
  • App Makers USA
    Los Angeles, United States

    Welcome to App Makers USA, a leading software development company based in Los Angeles, CA. We specialize in providing innovative and high-quality solutions to our clients, helping them achieve their business goals.
    Cross Platform, iPhone App Development, Android App Development
    • 21-50 Members
    • $50 - $99/hr
    • $10,000 to $25,000
  • Welcome to Red Foundry, a leading technology company based in Chicago, IL. We are a team of passionate individuals who are dedicated to providing top-notch IT solutions to businesses of all sizes.
    Cross Platform, Android App Development, iPad
    • 21-50 Members
    • $150 - $199/hr
    • $50,000 to $75,000
  • Lickability
    New York, United States

    Welcome to Lickability, a leading digital agency based in the vibrant city of New York, NY. As the owners of this company, we take immense pride in our work and strive to provide our clients with the best possible services.
    Cross Platform, iPhone App Development, Android App Development, iPad
    • 2-10 Members
    • $150 - $199/hr
    • $25,000 to $50,000
  • Origami Studios
    Parsippany-Troy Hills, United States

    Origami Studios is a leading software development company based in Parsippany-Troy Hills, NJ. We specialize in providing cutting-edge solutions to businesses of all sizes, ranging from startups to Fortune 500 companies.
    Cross Platform, Android App Development, iPhone App Development, iPad
    • 21-50 Members
    • $25 - $49/hr
    • $10,000 to $25,000

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