Best US Cross-Platform App Development Companies

12 Companies - Rankings updated: September 03, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

United States × Cross-Platform Mobile App Development × Media & Communications × Under $1,000 × Clear Filters
  • Top AI, IoT, SaaS, Mobile App & Software Development Company

    Founded in 2009, Kuchoriya TechSoft offers expertise in iOS, Android, React Native, Flutter, PWA, AR/VR, and wearable apps. With 350+ developers, 1,000+ projects delivered across 70+ countries, its portfolio includes work for Discovery, Disney, BBC, and Google...

    Top Services:

    • Mobile App Development
    • Software Development
    • Blockchain
    • Staff Augmentation
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    9 Projects Listed

    Kuchoriya TechSoft Services

    • Mobile App Development
    • Software Development
    • Blockchain
    • Staff Augmentation
    • Web Development
    • WordPress Website Design
    • IT Services
    • SEO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Drafterkings
    • CSI International
    • Quantum Edge
    • Seeking arrangement
    • Platerate
    • Travelbet
    • BP Correct
    • Ridecare (Insurance & Finance)
    • Write4joy
    • Ozobi (Travel & Tourism)
    Data sourced from the agency's DesignRush profile

    Kuchoriya TechSoft Reviews & Testimonials

    • Chirag Rander
      Chirag Rander Associate Business Analyst at Infodesk
      5.0

      Mobile App Development Review from Chirag Rander

      Our client's real estate business faced challenges with lead management, property matching, customer engagement, and time-consuming manual processes. The AI development solutions transformed our operations by automating lead qualification, delivering intelligent property recommendations, and providing real-time market analytics. These AI-powered real estate solutions improved decision-making, increased lead conversions, enhanced customer experiences, and streamlined workflow efficiency. Their expertise in AI development for the real estate industry helped us drive business growth, reduce operational costs, and stay competitive in a rapidly evolving digital market.

    • Ziv Lev
      Ziv Lev CEO at Medcon Solutions Ltd
      5.0

      Software Development Review from Ziv Lev

      Kuchoriya Techsoft has proven to be a top-tier HIPAA-compliant telemedicine and healthcare communication platform development company, delivering secure, scalable and high efficient digital healthcare solutions. Their deep understanding of healthcare regulations, combined with strong expertise in telemedicine, EHR/EMR integrations, and secure patient-doctor communication systems, sets them apart in the industry. The team consistently delivers high quality products with robust data security, seamleass user experience and advance features tailored to modern healthcare needs. their proactive approach, transparent communication and commitment to timelines make them a reliable technology partner for healthcare organization to build compliant and future ready telehealth platforms.

    • Abhishek  Sharma
      Abhishek Sharma Senior Consultant + Sr. Business Analyst at Capgemini
      5.0

      Mobile App Development Review from Abhishek Sharma

      As a business owner, I can confidently say that this is the best car rental app development company in the USA. They delivered an exceptional solution tailored to our needs, demonstrating deep industry knowledge and expertise. The team was incredibly responsive, professional, and proactive throughout the entire development process, ensuring all our requirements were met. The final product exceeded our expectations in terms of design, functionality, and user experience. Their commitment to quality and attention to detail has truly set them apart, and I highly recommend their services for anyone looking for top-notch car rental app development.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Empowering Your Digital Future with Innovative IT Solutions

    At Quantum IT Innovation, our team excels in AI, Big Data, RPA, and Mobile App Development for iOS, Android, and Cross-Platform. We also offer expert SEO, PPC, and Social Media services to drive your business forward in the USA, UK, Canada, Ireland, UAE, Australia, India, & across the globe...

    Top Services:

    • Web Development
    • Social Media Marketing
    • SEO
    • PPC
    • IT Services
    • Show more
    Location
    Indianapolis, Indiana
    Number of Employees
    100 - 249
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    101 Projects Listed

    Quantum IT Innovation Services

    • Web Development
    • Social Media Marketing
    • SEO
    • PPC
    • IT Services
    • Mobile App Development
    • AI Development
    • Digital Marketing
    • Software Development
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • David
    • Karmel
    • Jevon
    • Luke
    • Rajitha
    • Alfred
    • Gilbert
    • Erik
    • Christopher Samdeo
    • Mehernaz Emadi
    Data sourced from the agency's DesignRush profile

    Quantum IT Innovation Reviews & Testimonials

    • Lorena Iaut
      Lorena Iaut Obstetrician and Gynecologist at Lorena Laut
      5.0

      Digital Marketing Review from Lorena Iaut

      We have had a great experience working with Quantum IT Innovation for our digital marketing needs. Their team is professional, responsive, and truly understands how to position a healthcare brand effectively online. We've seen noticeable improvement in our digital presence and engagement. Highly recommend their services to anyone looking for reliable and result-driven marketing support.

    • Brigitte Brünjes
      Brigitte Brünjes Owner at Hogasearch
      5.0

      Digital Marketing Review from Brigitte Brünjes

      Quantum IT Innovation played a key role in strengthening HOGASEARCHs digital presence through strategic digital marketing and SEO services. Their team delivered creative content, consistent planning, and visible growth in engagement and search rankings. Highly professional and results-oriented.

    • SAM NAJIBI
      SAM NAJIBI CEO at MBSS Security Services
      5.0

      Digital Marketing Review from SAM NAJIBI

      Quantum IT Innovation has been a game-changer for MBSS Security. Their digital marketing strategies helped us boost our local visibility, generate leads, and build a strong online presence. Highly professional and results-driven team truly appreciate their support!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Designing Digital Experiences Developing Future-Ready Solutions

    Codiantix is a software and creative agency delivering next-generation digital solutions from custom websites and mobile apps to full-stack software systems and UI/UX design. We help startups and enterprises scale with technology that performs...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $5/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed

    Codiantix Services

    • Software Development
    • Mobile App Development
    • Web Design
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Consumer Goods Industry
    • Media and Entertainment Industry
    • Design Industry
    Data sourced from the agency's DesignRush profile
  • Custom Web & Mobile App Development Company

    IT Niche is an AI-powered digital solutions company specializing in web and mobile app development, ecommerce, and performance marketing. We help businesses build scalable products and drive growth through SEO, VCO, and data-driven strategies focused on real results...

    Top Services:

    • Web Development
    • Web Design
    • eCommerce Development
    • SEO
    • PPC
    • Show more
    Location
    Memphis, Tennessee
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000

    IT Niche Services

    • Web Development
    • Web Design
    • eCommerce Development
    • SEO
    • PPC
    • Digital Marketing
    • AI Development
    • UI/UX Design
    • Mobile App Development
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Richard William
    • Vvs Nagaraju
    • Prateek Dadhich
    Data sourced from the agency's DesignRush profile

    IT Niche Reviews & Testimonials

    • William Smith
      William Smith Review from Google
      5.0

      William Smith's Review Sourced from Google

      If you are looking for the most amazing web developers then IT Niche (Mr. Harish and His Team) is right for you. They created a sleek, exciting to use and easy-to-navigate website for my business. As we were getting closer to completing this project we had second thoughts about our original plan. IT Niche Team took our feedback in an amazing way and did several changes to our website. We could not ask for more, overall very pleased with the outcome. If you are looking for excellent service give them a call and see for yourself.

    • I'm Real Hungry
      I'm Real Hungry Review from Google
      5.0

      I'm Real Hungry's Review Sourced from Google

      IT Niche at Memphis, Tennessee Web Services was absolutely great with me and created exactly what I asked for (even better). He listens, is patient, curious, gracious and knows is stuff inside and out. And, his prices are good. I highly Recommend IT Niche Website Design Services.

    • Vvs Nagaraju
      Vvs Nagaraju Review from Google
      5.0

      Vvs Nagaraju's Review Sourced from Google

      I am Really Happy with IT Niche Team Web Design and Development for my website with affordable price. Highly Recommended...

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Marketing, PR & Creative.

    Oakland Trust Marketing commenced its journey in 2019, initiated by a college freshman eager to venture into advertising, later realizing it was merely a component within the broader realm of marketing...

    Top Services:

    • Digital Services
    • Graphic Design
    • Digital Strategy
    • Print Design
    • Package Design
    • Show more
    Location
    Waltham, Massachusetts
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000

    Oakland Trust Marketing Services

    • Digital Services
    • Graphic Design
    • Digital Strategy
    • Print Design
    • Package Design
    • Reputation Management
    • Logo Design
    • Product Design
    • Branding
    • Public Relations
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • OTG Video
    • Moss Pure
    • Lolli Bally Ball
    • Boston Jewels
    • Naturcel
    • Brass Buff Antiques
    • Coldwell Banker
    Data sourced from the agency's DesignRush profile

    Oakland Trust Marketing Reviews & Testimonials

    • David mello
      David mello Review from Google
      5.0

      David mello's Review Sourced from Google

      Oakland Trust is a great company to work with for all needs marketing. Sam is very knowledgeable and has helped increase website traffic. There are so many details to watch on our SEO and Sam does it effortlessly. He and Oakland Trust have performed very well. I highly suggest them for your SEO and marketing needs.

    • Luke Gellis
      Luke Gellis Review from Google
      5.0

      Luke Gellis's Review Sourced from Google

      Oakland Trust's expertise in pharmaceutical marketing and travel has been invaluable to my projects. Their dedication, professionalism, and creative ideas have made a significant impact. I highly recommend Oakland Trust for outstanding results. Thank you, Oakland Trust!!!

    • Allison Sliwinski
      Allison Sliwinski Review from Google
      5.0

      Allison Sliwinski's Review Sourced from Google

      Oakland Trust is one of the most helpful business consulting companies. Their services are available 24 hours which makes business easy. This company offers many benefits for starting your own company like having access to many connections to popular social media agencies. Oakland Trust makes the process of starting your own company very personal and easy to work with.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We help your business scale to new heights with innovative AI-driven strategies.

    We deliver results-driven solutions as a leading AI Optimization Agency in the USA. Our expertise covers every aspect of digital marketing, ensuring your business stays ahead in a competitive market...

    Top Services:

    • Web Development
    • eCommerce Development
    • Social Media Marketing
    • Email Marketing
    • SEO
    • Show more
    Location
    Miami, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000

    100 Codes Technologies Services

    • Web Development
    • eCommerce Development
    • Social Media Marketing
    • Email Marketing
    • SEO
    • PPC
    • Mobile App Development
    • Reputation Management
    • Software Development
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Software & IT Industry
    • Consumer Goods Industry
    • eCommerce Industry
    Data sourced from the agency's DesignRush profile
  • Sitecore Development Company

    Ones & Zero is a leading digital agency specializing in custom Sitecore development and enterprise-grade digital solutions. They offer a comprehensive suite of services including mobile and web app development, UI/UX design, cross-platform solutions, and digital marketing strategies...

    Top Services:

    • Web Development
    • Mobile App Development
    • Web Design
    • Digital Marketing
    • UI/UX Design
    • Show more
    Location
    Houston, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000

    Ones & Zero Services

    • Web Development
    • Mobile App Development
    • Web Design
    • Digital Marketing
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Book a Party
    • Rant Post LLC
    • Kiss Marxx
    • Rescue GSM
    • Prostall Constructions
    • Tiny Tot
    Data sourced from the agency's DesignRush profile
  • Building Smarter Systems, Powering Human Potential

    ZMZY Tech Solutions is a U.S.based IT and automation company helping businesses scale through smart, secure, and efficient technology. We specialize in Web design, App design, Logo and brand identity generation and launch, workflow automation, AI integration, and digital infrastructure for small to mid-size...

    Top Services:

    • Web Design
    • Managed Services
    • Mobile App Development
    • Logo Design
    • Web Development
    • Show more
    Location
    Columbus, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $85/hr
    Minimal Budget
    Under $1,000

    ZMZY Tech Solutions Services

    • Web Design
    • Managed Services
    • Mobile App Development
    • Logo Design
    • Web Development
    • Digital Marketing
    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Zans Trading
    • Animed Traders
    • Alish Tech Solutions
    • Market Nest
    • Zetashoppers
    • Royal Burger
    Data sourced from the agency's DesignRush profile
  • Lobi Software Studio is a boutique software agency based in Columbus, GA serving small businesses across the Southeast. We build custom software, MVPs, and AI solutions in 30 days. Our model is different: you own the code, we share equity only if you license it. Services include MVP development, AI consulting...

    Top Services:

    • AI Development
    • Software Development
    • Web Development
    • Mobile App Development
    • Digital Marketing
    • Show more
    Location
    Columbus, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    Under $1,000

    Lobi Software Studio Services

    • AI Development
    • Software Development
    • Web Development
    • Mobile App Development
    • Digital Marketing
    • SEO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • JP Alfonso Studios
    • Jenna Jeanne Photography
    • Abella Health
    Data sourced from the agency's DesignRush profile
  • One Stop IT.

    Digiaxix was established by a diverse team of seasoned IT professionals, united by the vision to deliver unparalleled quality...

    Top Services:

    • UI/UX Design
    • Mobile App Development
    • Web Development
    • Web Design
    • eCommerce Development
    • Show more
    Location
    Elizabeth, New Jersey
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000

    DigiAxix Services

    • UI/UX Design
    • Mobile App Development
    • Web Development
    • Web Design
    • eCommerce Development
    • Software Development
    • IT Services
    • DevOps Consulting
    • Staff Augmentation
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Dreamer's Academy
    • Mir Cloud
    • Grameenphone Academy
    • Adxles
    • Practice Club
    Data sourced from the agency's DesignRush profile
  • Design, Innovate, Grow.

    Plaxo Technologies is a leading provider of mobile app, digital marketing, website design, and development services. Plaxo Technologies drives digital transformation through tailored strategies, innovative technologies, and expert guidance. We empower businesses to modernize, automate, and scale for long-term...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Digital Marketing
    • Show more
    Location
    Bonita Springs, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000

    Plaxo Technologies Services

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • Mobile App Development
    • Graphic Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • BurgerIM
    • Gem Gypsies
    • Oz Lockers Australia
    Data sourced from the agency's DesignRush profile

    Plaxo Technologies Reviews & Testimonials

    • Nekko Chan
      Nekko Chan Review from Google
      5.0

      Nekko Chan's Review Sourced from Google

      Working with Plaxo Technologies is always a pleasure. The agency is proficient, thorough in their meetings, and responsive to our questions. We highly recommend Plaxo Technologies to anyone looking for excellent PPC and SEO service.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Frugalnova - Crafting Smarter Software, Apps, and Innovations for All Platforms!

    Frugalnova is a leading software development company specializing in creating innovative solutions for businesses worldwide. We excel in mobile app development, iOS and Windows apps, web platforms, and cutting-edge technology solutions. Our expert team blends creativity and technical expertise to deliver...

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Web Design
    • Show more
    Location
    Mount Vernon, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000

    Frugalnova Innovation Services

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Web Design
    • WordPress Website Design
    • AI Development
    • IoT
    • UI/UX Design
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Divine Beauty I Corp
    • Skandha Media Services Pvt Ltd
    • Winner software
    Data sourced from the agency's DesignRush profile

    Frugalnova Innovation Reviews & Testimonials

    • raj shenoy
      raj shenoy Review from Google
      5.0

      raj shenoy's Review Sourced from Google

      Great mobile app development company. Excellent developers team with enormous experience on different vertical development and application projects. Projects are delivered well within the deadline.

    • ashish kha
      ashish kha Review from Google
      1.0

      ashish kha's Review Sourced from Google

      Hi everyone , I'm sharing my personal experience.I got selected in Android interview and they told u will get offer letter by coming monday and till that date hr is giving me false hope that we are giving offer letter they wasted my 1mnth and the hr sejal patel is fake,when u will call them for ur offer letter they block ur contact as my did

    • vidya zagde
      vidya zagde Review from Google
      5.0

      vidya zagde's Review Sourced from Google

      Very dedicated staff, who work as a team to deliver challenging projects on time. I am Glad I was a part of the company and the staff working as a Intern. Thank you.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews

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