Best US Cross-Platform App Development Companies

3 Companies-Rankings updated: October 24, 2026
Cross-Platform
Industrial
$25,000 - $50,000
Sort by: Sponsored

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × Cross-Platform Mobile App Development × Industrial × $25,000 - $50,000 ×Clear Filters

  • The Gnar Company

    Gnar Helps Companies Accelerate Their Software Development

    The Gnar Company designs and developed robust, reliable AI solutions and software products built to grow and scale. We help companies build foundational web and mobile applications like their in-house teams...

    Top Services:

    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Web Design
    • AI Development
    • Show more
    Location
    Boston, Massachusetts
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    10 Projects Listed
    View Profile
    DesignRush verified(4)4.7
    Google reviews(7)4.4

  • Espresso Moon

    Business software with AI inside, built in Houston since 2004.

    Espresso Moon is a Houston custom software company that builds AI-enabled business applications, mobile apps, and cloud platforms for B2B clients, and hosts and supports everything it delivers. We also own and operate GageList, a calibration management SaaS with AI built into the product...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Software Testing
    • UI/UX Design
    • Show more
    Location
    Spring, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    Google reviews(3)5.0

  • Actual Reality Technologies

    Actual AI. Actual results.

    Actual Reality Technologies is an AI solutions consultancy in Perrysburg, Ohio, built for manufacturers tired of AI hype and hungry for measurable outcomes. We pair frontier AI and machine learning with Lean Six Sigma discipline our CEO is a Master Black Belt with 15 years at GE Aviation and operations...

    Top Services:

    • AI Development
    • Software Development
    • Big Data Analytics
    • IoT
    • Mobile App Development
    • Show more
    Location
    Perrysburg, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    1 Project Listed
    View Profile
    Google reviews(1)2.0

Related Mobile App Development Specializations in the US

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