Best US Cross-Platform App Development Companies

869 Companies - Rankings updated: September 03, 2026

DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.

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  • Cryptical Web and App Studio

    From Branding to Leads, We Connect the Dots.

    From Branding to Leads, We Connect the Dots.

    To deliver solutions that align with your business and technological ambitions. We continuously expand our expertise in Design, Development, and Marketing to offer a truly end-to-end digital experience...

    Top Services:

    • Web Development
    • Design Services
    • UI/UX Design
    • WordPress Website Design
    • eCommerce Development
    • Show more
    Location
    Sugar Land, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    5 Projects Listed
    View Profile
    5.0 5.0 (19)

  • 3Ace Technologies

    We turn your business into a brand

    We turn your business into a brand

    3 Ace Technologies is a global digital partner with offices in Canada, USA and the UK, helping businesses grow through ROI-driven software solutions and strategic innovation. We specialize in empowering small businesses to thrive in today's fast-paced digital landscape...

    Top Services:

    • Logo Design
    • Branding
    • Web Design
    • eCommerce Development
    • Web Development
    • Show more
    Location
    Texas City, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Portfolios Count
    8 Projects Listed
    View Profile
    5.0 5.0 (5)

  • Codiantix

    Designing Digital Experiences Developing Future-Ready Solutions

    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
    View Profile

  • American Design Hub

    More Than Design We Create Connections

    More Than Design We Create Connections

    American Design Hub is the leading full-service creative design and branding agency from Atlanta, GA. They are serving brands throughout the United States to achieve measurable growth with the help of creative design, converting content, and result-driven marketing...

    Top Services:

    • Logo Design
    • Design Services
    • Digital Marketing
    • Web Development
    • Branding
    • Show more
    Location
    Atlanta, Georgia
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Portfolios Count
    11 Projects Listed
    View Profile

  • The Hashtech

    Shaping Success Through Modern Technology

    Shaping Success Through Modern Technology

    The Hashtech is a fullspectrum digital agency that transforms ideas into powerful software. From mobile apps and web platforms to AI, blockchain, or custom enterprise tools, they combine creativity and technical depth to help businesses grow. With a global team and a datadriven, clientcentered approach, they...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • AI Development
    • Blockchain
    • Show more
    Location
    Houston, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    13 Projects Listed
    View Profile
    5.0 5.0 (4)

  • Mtitech LLC

    Build smarter systems. Get found online. Scale operations with confidence

    Build smarter systems. Get found online. Scale operations with confidence

    MTI Tech helps businesses improve their digital presence and daily operations through web development, SEO, answer engine optimization, CRM automation, digital marketing, IT consulting, and back-office support...

    Top Services:

    • Web Development
    • Software Development
    • Mobile App Development
    • Graphic Design
    • AEO
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile

  • Moltech Solutions Inc.

    Implementing your ideas!

    Implementing your ideas!

    Moltech Solutions Inc. was founded in 2014, with an ambition to offer high quality and best-fit solutions with cutting edge technologies in all segments of the IT industry in India. Moltech solutions is an outsourcing company and also your trusted technical partner for your vision and dreams. We have provided...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Design
    • Digital Services
    • Web Development
    • Show more
    Location
    Plano, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile

  • OneEKO Technologies

    Outcome-Focused Software Solutions

    Outcome-Focused Software Solutions

    OneEKO Technologies is a software development agency building custom solutions for small businesses. We specialize in web applications, mobile apps, and AI integration, helping local businesses like restaurants, gyms, law firms, and retail stores compete with modern technology. Our flagship product KaiScout...

    Top Services:

    • Software Development
    • Digital Services
    • eCommerce Development
    • UI/UX Design
    • SEO
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
    View Profile

  • EntaLogics

    AI-Augmented Software Development Company. SaaS, Web, Mobile, AI, Desktop Apps & Chromium Browsers.

    AI-Augmented Software Development Company. SaaS, Web, Mobile, AI, Desktop Apps & Chromium Browsers.

    AI-augmented software development company. Senior developers + AI-powered workflows delivering production-ready SaaS, web, mobile, AI, desktop apps, and custom Chromium browsers. For startups, growing businesses, and enterprise...

    Top Services:

    • Software Development
    • UI/UX Design
    • Web Development
    • Cloud Consulting
    • DevOps Consulting
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
    View Profile

  • Novaris Advanced Software Studio

    Build Smarter Build Faster Build Forever

    Build Smarter Build Faster Build Forever

    Novaris provides advanced software solutions for businesses, industries, and government organizations integrating AI-driven innovation, expert engineering, and enterprise-level reliability. Advanced website, mobile app, and software development at 30% lower cost and 40% faster delivery!...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • AI Development
    • Web Design
    • Show more
    Location
    Atlanta, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (4)

  • Zumify LLC

    Where Great Design Meets Reliable Software

    Where Great Design Meets Reliable Software

    Zumify is a growth-focused digital partner that blends strategy, design, and technology to build high-performing experiences. Rather than using templates, it creates tailored solutions that solve real business problems from increasing leads to strengthening brand credibility...

    Top Services:

    • Mobile App Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Software Development
    • Show more
    Location
    Honolulu, Hawaii
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile

  • Trifleck

    Smart Digital Solutions

    Smart Digital Solutions

    Trifleck is a digital product development and technology consulting company that helps businesses build and scale digital systems, including apps, software platforms, websites, AI solutions, automation workflows, branding, and growth marketing initiatives...

    Top Services:

    • Digital Services
    • Graphic Design
    • Design Services
    • eCommerce Development
    • Web Development
    • Show more
    Location
    Winter Park, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.9 4.9 (9)

  • Forjwell

    Lets Bring Your Vision To Life

    Lets Bring Your Vision To Life

    Forjwell is a premier technology and product development firm built for founders who demand clean, scalable digital solutions. We specialize in transforming raw ideas into refined, high-traction platforms, offering deep expertise across mobile and web app development, custom software, and immersive game...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Web Design
    • Web Development
    • Show more
    Location
    Austin, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • The Designs LLC

    Where Ideas Become Digital Reality

    Where Ideas Become Digital Reality

    The Design LLC is a results-driven digital agencycrafting modern websites, powerful branding, and smart marketing solutions to help businesses grow and stand out online. We create high-impact digital experiences through innovative designs...

    Top Services:

    • Logo Design
    • Web Development
    • eCommerce Development
    • Creative Services
    • Graphic Design
    • Show more
    Location
    Richmond, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile

  • Bitrupt

    Software. Design. Innovation.

    Software. Design. Innovation.

    Bitrupt specializes in transforming ideas into successful digital products. We offer custom software development, mobile and web application development, product consulting, UI/UX design, and AI solutions. By combining technical expertise with strategic thinking, we help businesses unlock new opportunities...

    Top Services:

    • Web Development
    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Customer Support
    • Show more
    Location
    Dover, Delaware
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile
    5.0 5.0 (1)

  • Ideal Media Pro

    Make Your Next Move Ideal.

    Make Your Next Move Ideal.

    Ideal Media Pro helps local businesses generate more leads through sales first designed websites, Google Ads, Local SEO and GBP optimization. We work with small and mid-size businesses...

    Top Services:

    • Web Design
    • SEO
    • PPC
    • Digital Services
    • Show more
    Location
    Cliffside Park, New Jersey
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (5)

  • AppsNado

    Letting apps evolve into business ventures!

    Letting apps evolve into business ventures!

    At Appsnado, we pride ourselves on being your premier destination for top-tier mobile app development services in the United States...

    Top Services:

    • Mobile App Development
    • Web Development
    Location
    Mount Laurel Township, New Jersey
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Portfolios Count
    8 Projects Listed
    View Profile
    3.1 3.1 (4)
    2.5 2.5 (11)

  • Naked Development

    We are a Creative Development Agency & Consultancy.

    We are a Creative Development Agency & Consultancy.

    Naked Development transforms businesses through expert App Development, partnering with founders to design, develop, and launch apps that solve real problems. Our customized approach ensures top-tier results for startups, helping you avoid costly missteps and turn your vision into a thriving company...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Digital Marketing
    • Branding
    • Product Design
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
    View Profile
    2.6 2.6 (3)
    4.2 4.2 (11)

  • XDuce

    Overcoming challenges through apps!

    Overcoming challenges through apps!

    Xduce is more than a technology company; we're architects of digital transformation. With an unwavering focus on innovation, we've been reshaping industries since our inception. Our influence spans across the globe, redefining businesses and markets...

    Top Services:

    • Software Development
    • Software Testing
    • Mobile App Development
    • Cloud Consulting
    • Big Data Analytics
    • Show more
    Location
    Edison, New Jersey
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    View Profile
    2.4 2.4 (1)
    4.4 4.4 (27)

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