Best US Cross-Platform App Development Companies

114 Companies - Rankings updated: September 04, 2026

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

Cross-Platform
Software & IT Services
$10,000 - $25,000
Sort by: Sponsored
United States × Cross-Platform Mobile App Development × Software & IT Services × $10,000 - $25,000 × Clear Filters

  • Top Remotely

    Top 1% Tech Talent with 1500+ In-house Developers

    We don't just build software at Top Remotely we create solutions that work, scale, and impress. With a powerhouse team of 150+ in-house developers, we turn complex challenges into seamless digital experiences. Whether you need custom software, enterprise platforms, or next-gen IT solutions, we bring the Top...

    Top Services:

    • Mobile App Development
    • Software Development
    • DevOps Consulting
    • IT Services
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    500 - 999
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Syndell

    Unlock digital success with Syndell to Innovate your business with cutting-edge software.

    Explore a realm of limitless opportunities as Syndell unveils the intricacies of mobile and web app development. Entrust your business to our guidance, initiating an enthralling digital expedition fueled by our unparalleled proficiency and forward-thinking strategies...

    Top Services:

    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Web Design
    • Software Development
    • Show more
    Location
    Middletown, Delaware
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Poieo Dev

    Custom. Excellence. Vision

    First choice for complex bespoke development needs. From custom integrations and full website or mobile app builds, to creating unique snippets and fixing code. We are a one-stop-shop for all things custom web and mobile development. We do what other companies tell you is impossible...

    Top Services:

    • Software Development
    • eCommerce Development
    • Web Development
    • Mobile App Development
    • WordPress Website Design
    • Show more
    Location
    Halsey, Oregon
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Intelligaia

    Augment Your Team

    Intelligaia is a CX Design company that works with Business Process Groups to transform the business value of their products. Intelligaia brings innovative DesignOps practices to bridge the gap between strategy and execution at speed and scale...

    Top Services:

    • UI/UX Design
    • AI Development
    • Software Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Apex, North Carolina
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    5.0 5.0 (4)

  • Beehive Software

    Reimagining Software Development

    Beehive is a new production model for software development (the world's first we should add) that fuses AI precision with human ingenuity. A model of collective intelligence that breaks projects into microtasks, routing them to global experts, and delivering production-ready, high quality, code faster than...

    Top Services:

    • Web Development
    • Software Development
    • AI Development
    • Mobile App Development
    • IoT
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    5.0 5.0 (4)

  • Tafsol Technologies

    #1 Reliable Digital Agency

    #1 Reliable Digital Agency. The world's most efficient digital marketing agency, providing a wide range of exclusive services. Tafol Technologies is ranked as one of the best digital marketing agencies in Asia...

    Top Services:

    • AI Development
    • Software Development
    • Blockchain
    • Mobile App Development
    • IT Services
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
    Visit Website View Profile
    4.5 4.5 (111)

  • Teamvoy

    We Bring The Tech. You Get The Wins.

    Teamvoy is an AI engineering and transformation partner. We help companies make smarter technology decisions and turn them into production-ready software...

    Top Services:

    • Software Development
    • AI Development
    • Design Services
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Covina, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    4.7 4.7 (29)

  • Tekbees

    Solutions on Time and Within Budget

    We are a highly technologically advanced company that enables the automation of business processes within various industries in a timely, innovative and reliable fashion. Our software and hardware solutions transform the world of cash and security into exceptional consumer experience. Trust Tekbees, we are...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Web Development
    • Web Design
    • Show more
    Location
    Miami, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Meticul Solutions

    Meticulous Innovative Development

    At Meticul Solutions, we know how to help you define where you are going, and give you the tools to get there. We do this with a simple philosophy: We just don't design & develop applications for your requirements but rather make sure to understand your business to give you an end to end digital...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • eCommerce Development
    • UI/UX Design
    • Show more
    Location
    Houston, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $36/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • devAtelier

    Southern Californias Mobile App experts since 2009

    We are San Diego's mobile-native and mobile-first consultancy. We specialize in Swift for iOS, Flutter for iOS/Android, and React for Web. We have led projects for Fortune 500 companies and startups. If you're looking for an easy-to-talk-to and experienced partner to build your app, call devAtelier!...

    Top Services:

    • Mobile App Development
    • Software Development
    • IoT
    • Web Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Akendi Inc.

    Intentional Experiences

    We provide expert UX consulting with 18+ years proven success. Our multi-disciplinary team delivers product strategy, user research, UX design, training and experience testing. We have offices in Toronto, Ottawa, Canada, New York USA and Cambridge, London, UK...

    Top Services:

    • UI/UX Design
    • Digital Services
    • Product Design
    • Staff Augmentation
    • Market Research
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Wishtree Technologies

    Delivering Digital

    Wishtree is a product engineering services company focused on crafting secure, scalable digital solutions for global enterprises...

    Top Services:

    • Web Design
    • UI/UX Design
    • Web Development
    • AI Development
    • Software Testing
    • Show more
    Location
    Lewes, Delaware
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
    Visit Website View Profile
    4.1 4.1 (23)

  • NovumLogic Technologies Pvt Ltd

    Innovate.Scale.Lead

    Novumlogic is a creative agency that has provided services in mobile app development with native or cross-platform app development experience and in web app development since 2015...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • AI Development
    • IT Services
    • Show more
    Location
    Carteret, New Jersey
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    Visit Website View Profile
    5.0 5.0 (21)

  • Claritus Consulting

    Powering Innovation. Enabling Change.

    From design to deployment, Claritus delivers secure, scalable, and user-friendly applications backed by 24/7 support...

    Top Services:

    • Web Development
    • Mobile App Development
    • DevOps Consulting
    • Cloud Consulting
    • IT Services
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    4.1 4.1 (88)

Related Mobile App Development Specializations in the US

Popular Services

Latest Trends Related to Cross-Platform Mobile App Development

iPhone vs Android Statistics
App Development

iPhone vs. Android: 60+ Key Market Statistics Every Business Should Know

20,359
Mobile App Development AI Tools
App Development

I Tested the Top 5 Mobile App Development AI Tools: Here’s What Stood Out

38,800
No-Code App Builders
App Development

Top 5 No-Code App Builders Reviewed — Which One Came Out on Top?

26,966

Receive Free Proposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner

Specify your requirements