Best US Cross-Platform App Development Companies

11 Companies - Rankings updated: September 03, 2026

Each agency undergoes DesignRush evaluation for professional expertise and genuine client satisfaction to assist your search. Some featured placements are paid.

United States × Cross-Platform Mobile App Development × Public Administration × Clear Filters
  • Comprehensive Software Solutions, All in One Place!

    We deliver innovative software solutions that bring your passion projects to life, enabling them to ignite, grow, and thrive. Whether you need stunning web design or a sophisticated custom software system for your institution, we've got you covered...

    Top Services:

    • Web Development
    • WordPress Website Design
    • Software Development
    • Web Design
    • eCommerce Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed

    Element Media Services

    • Web Development
    • WordPress Website Design
    • Software Development
    • Web Design
    • eCommerce Development
    • UI/UX Design
    • SEO
    • Mobile App Development
    • Video Production
    • Graphic Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bethlehem Municipality
    • Bethlehem University
    • John Paul II Organization
    • Bethlehem Chamber of Commerce
    • Ramallah Municipality
    • Al Quds - Bard College
    Data sourced from the agency's DesignRush profile

    Element Media Reviews & Testimonials

    • Monjed Jado
      Monjed Jado CEO at PNN Network
      5.0

      Web Development Review from Monjed Jado

      I had the pleasure of working with Element Media for a custom development service for PNN, a high traffic and secure news website. I must say that the experience was exceptional from start to finish. Their team provided a fully customized CMS that met the unique requirements of our website, and the benefits we received were numerous. Element Media addressed our concerns with website speed and caching, resulting in a faster and more efficient user experience. Additionally, the CMS was optimized for Google Search Results, increasing our website's visibility online. We were particularly impressed with the security features, which prevented DDOS attacks and other system risks from intruders. It provided us with peace of mind knowing that our website is safeguarded and secure. One of the standout features of the CMS was the user interface. It was modern, sleek, and user-friendly, enhancing the overall user experience for our audience. The customization provided by the CMS gave us flexibility in content creation, management, and delivery, allowing us to deliver a high-quality product to our audience. Throughout the project, Element Media demonstrated a high level of expertise, professionalism, and exceptional customer service. They were responsive to our needs and kept us informed throughout the development process. We couldn't have asked for a better partner for our custom development needs.

    • Naga Durgarao Baddhi
      Naga Durgarao Baddhi Review from Google
      5.0

      Naga Durgarao Baddhi's Review Sourced from Google

      I have dealt with Element team for a half year so far, and it was an outstanding experience! Their web development experience is top-notch and they provided their best efforts on my software.

    • Abigail Galván
      Abigail Galván Review from Google
      5.0

      Abigail Galván's Review Sourced from Google

      I've worked with Element Media for over five years now and am always satisfied with their professionalism and creativity.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Coding Success Globally, Guided by a Ukrainian Heartbeat!

    We are Codebridge, an international team with a Ukrainian heart. We lead as an IT outsourcing company, offering software development, UI/UX design, app development, and web design solutions to European and US companies...

    Top Services:

    • UI/UX Design
    • Design Services
    • Product Design
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    100 - 249
    Portfolios Count
    13 Projects Listed

    Codebridge Services

    • UI/UX Design
    • Design Services
    • Product Design
    • Web Design
    • WordPress Website Design
    • Web Development
    • Mobile App Development
    • Software Development
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • LOCAD
    • That Festival Site
    • KPMG
    Data sourced from the agency's DesignRush profile

    Codebridge Reviews & Testimonials

    • Ievgeniia Fedorenko
      Ievgeniia Fedorenko Review from Google
      5.0

      Ievgeniia Fedorenko's Review Sourced from Google

      I have been working at the company for a year. One of my favorite things is the sense of community among coworkers; it feels like being part of a big, friendly family. Another aspect I appreciate is the professional growth opportunities. I am working on different projects where I can improve my skills and face new challenges.

    • Viktoriia Pchelintseva
      Viktoriia Pchelintseva Review from Google
      5.0

      Viktoriia Pchelintseva's Review Sourced from Google

      I worked in Codebridge as a junior UX/UI designer. My team was really friendly and supportive, and I enjoyed working on the tasks with my colleagues. I also liked that the company is always ready to hear your feedback and that your opinion matters.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Results driven digital marketing agency.

    OBCIDO Inc. is a global consulting and digital services firm founded in New York in 2021. We help businesses redefine their digital identity and accelerate growth through strategic consulting, AI solutions, GEO, high-performance websites, and results-driven digital marketing...

    Top Services:

    • Digital Services
    • Branding
    • Digital Strategy
    • Web Design
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed

    OBCIDO Inc. Services

    • Digital Services
    • Branding
    • Digital Strategy
    • Web Design
    • Web Development
    • WordPress Website Design
    • PPC
    • Social Media Marketing
    • Media Buying
    • Digital Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Academic Partnerships
    • U.S. Small Business Administration
    • Library of Congress
    • Duggal Visual Solutions
    • Decibel Events
    • Lebanese American University
    • The New York Times
    • XM
    • Lucinda Loya Interiors
    • Holberton New York
    Data sourced from the agency's DesignRush profile

    OBCIDO Inc. Reviews & Testimonials

    • Monty
      Monty Review from Google
      5.0

      Monty's Review Sourced from Google

      I’ve been working with OBCIDO for social media and ads support for my business, and I couldn’t be happier with the results. Their team is proactive, creative, and genuinely understands how to drive engagement and conversions. They’ve helped streamline my campaigns, improve content strategy, and get my brand in front of the right audience. Communication is always clear and responsive, and I feel like they truly care about my business’s success. Highly recommend OBCIDO to any business owner looking to take their digital presence to the next level! Thank you

    • Ary Satish
      Ary Satish Review from Google
      5.0

      Ary Satish's Review Sourced from Google

      I had a great experience working with the OBCIDO team. Communication was clear from the beginning and their services were explained well beforehand, so I knew exactly what was offered. They stuck all deadlines and responded promptly to any emails or questions. Their selected writer/editor - Amr - who worked with me throughout the PR process, was the great selection by OBCIDO for my work with them. I would be happy to recommend them to more colleagues and artists in my community.

    • graziella Abou Jaoudeh
      graziella Abou Jaoudeh Review from Google
      5.0

      graziella Abou Jaoudeh's Review Sourced from Google

      Working with this digital agency has been nothing short of extraordinary. They genuinely feel like an integral part of our team, consistently delivering unbelievable service, flawless execution, and outstanding results. After years of collaboration, I can confidently say I've never encountered a more dedicated group of professionals. Their commitment to driving positive outcomes is unmatched, and their passion shines through in every project. If you're looking for a partner that goes above and beyond, this agency is the one to trust. Highly recommended!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • A Fresh Perspective with Every Design

    Creative Repute, Inc. is an award-winning graphic design, mobile app and website development agency. Our mission is to deliver impactful design solutions through a multidisciplinary approach to marketing...

    Top Services:

    • Graphic Design
    • Web Development
    • Branding
    • Digital Marketing
    • Logo Design
    • Show more
    Location
    Philadelphia, Pennsylvania
    Number of Employees
    Under 49
    Portfolios Count
    4 Projects Listed

    Creative Repute Services

    • Graphic Design
    • Web Development
    • Branding
    • Digital Marketing
    • Logo Design
    • Social Media Marketing
    • Digital Strategy
    • Mobile App Development
    • Print Design
    • Package Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Comcast
    • Gender Justice Fund
    • Pet Wellbeing
    • Sunkist
    Data sourced from the agency's DesignRush profile

    Creative Repute Reviews & Testimonials

    • Candice Wynter (She/Her)
      Candice Wynter (She/Her) Communications Manager at Nathan Cummings Foundation
      4.5

      Graphic Design Review from Candice Wynter (She/Her)

      My organization worked with Creative Repute over a nearly 6-month period (January 2021 - July 2021). Everything Creative Repute developed for us is still functioning great and running smoothly. While we had to work out a few process and timing kinks along the way, CR was a joy to work with and a hard working team. If you're looking for a creative, thoughtful, and values-forward team, then look no further than Creative Repute.

    • The Colored Girls Museum
      The Colored Girls Museum Review from Google
      5.0

      The Colored Girls Museum's Review Sourced from Google

      The Colored Girls Museum has now worked with Creative Repute Design Agency on several high visibility projects . Including Custom Wallpaper designed by Nile Livingston which took center stage at Philadelphia Airport backing our installation (Sit A Spell ) which was on view for nine months. The inspiration for the wallpaper came from Niles postcard design for our show The One Room Schoolhouse . We loved the design so much we created other merch around it . At present the wallpaper can be seen at The Colored Girls Museum in the Colored Boys Room. Most recently Creative Repute turned around the poster appearing soon at Mother Bethel which is the kick off location for The Tribute to The 7th Ward Legacy Reclaimed . Walking Tour . Always a pleasure to work with Nile and her team . Excellent customer service , beautiful design work .Most important to us intuitive and client centered approach to graphic design that exceeds what we can imagine when we approach them with a sketch of an idea. Hire them ! Bonus fact Nile Livingston is one of the portrait Artist at The Colored Girls Museum , now also on view at Mother Bethel.

    • Jen Y.
      Jen Y. Review from Google
      5.0

      Jen Y.'s Review Sourced from Google

      The team at Creative Repute has remained consistently responsive and patient as we all adjust to the changes happening in the world due to Covid-19. They creatively redesigned our Save-The-Date to accommodate a virtual event because we are unsure about when people will feel comfortable meeting face to face again. I appreciate the project manager’s uplifting, calm, and positive outlook and the quality of their team’s design work. I highly recommend.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Supercharge - Innovating Digital Product Development

    At Supercharge, we partner with our clients to turn disruption into opportunity by creating transformative digital solutions. With over 200 digital experts across New York, London, Amsterdam, Helsinki, Vienna, and Budapest, we develop digital strategies, design delightful interfaces, and build robust software...

    Top Services:

    • Software Development
    • AI Development
    • Digital Services
    • Product Design
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    6 Projects Listed

    Supercharge Services

    • Software Development
    • AI Development
    • Digital Services
    • Product Design
    • Mobile App Development
    • Digital Strategy
    • IoT
    • UI/UX Design
    • Software Testing
    • Managed Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Britned
    • Eleclink
    • gateretail
    • OTP Bank
    • Kodak Alaris
    • Deutsche Telekom
    • Vodafone
    • Santander
    • VYRD
    • Cambridge Mobile Telematics
    Data sourced from the agency's DesignRush profile
  • Your Vision, Our Experts with Portal & Mobile Framework, Powerful Results!

    Why build from scratch! Our Portal, Mobile and AI framework provides 30-40% increased time to market. Built with Enterprise Security/Compliance for Azure/AWS clouds. ContentActive (Houston) provides Strategy, UI/UX, Web/Mobile/AI/Automation/IoT & DevOps. Your Vision, Our Experts, Powerful Results!...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • DevOps Consulting
    • Web Development
    • Show more
    Location
    Houston, Texas
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed

    ContentActive, LLC Services

    • Software Development
    • Mobile App Development
    • AI Development
    • DevOps Consulting
    • Web Development
    • IoT
    • Big Data Analytics
    • ERP Consulting
    • UI/UX Design
    • Digital Strategy
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • AEI Energy
    • Abitibi-Consolidated
    • American Medical Writers Association
    Data sourced from the agency's DesignRush profile
  • Atlanta custom software, AI, product design, web and mobile development - 100% USA-based.

    Black Airplane turns consequential business problems into polished custom software. Our 30+ full-time, 100% USA-based strategists, product designers, and engineers deliver AI solutions, web platforms, and mobile apps used by more than 50 million people each month...

    Top Services:

    • Software Development
    • AI Development
    • UI/UX Design
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Woodstock, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    3 Projects Listed

    Black Airplane Services

    • Software Development
    • AI Development
    • UI/UX Design
    • Web Development
    • Mobile App Development
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Coca-Cola
    • Chick-fil-A
    • The Home Depot
    • IHG
    • The Weather Channel
    • McDonald's
    • SeatGeek
    • Gas South
    • StoneLoads
    • reTHINK Group
    Data sourced from the agency's DesignRush profile

    Black Airplane Reviews & Testimonials

    • Shayne Forsyth
      Shayne Forsyth Review from Google
      5.0

      Shayne Forsyth's Review Sourced from Google

      Black Airplane exceeded our expectations in delivering a top-tier website for TechnoMile. From the very beginning, their team demonstrated exceptional creativity and technical expertise. They approached the project with professionalism and clear communication, keeping us informed at every step. The end result is a visually stunning, high-performing site that reflects our identity and effectively supports our business goals. If you’re looking for a partner who can combine design excellence with virtually flawless execution, Black Airplane is the one to choose.

    • Ginger Jones
      Ginger Jones Review from Google
      5.0

      Ginger Jones's Review Sourced from Google

      Black Airplane has been exceptional to work with! Their team delivered a seamless Stripe integration with impressive speed, ensuring we met our tight deadline. A special shoutout to April, whose responsiveness and dedication have been nothing short of outstanding. She’s truly amazing!

    • Richard Klosa
      Richard Klosa Review from Google
      5.0

      Richard Klosa's Review Sourced from Google

      Top notch team working on a custom software development projects. I worked with Black Airplane (Brandon and David ) through an existing relationship they had with a company we purchased. Communication has been excellent. Both are very responsive and the resulting work has been excellent. Highly recommend.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We are a software design & development company.

    We solve problems through purpose-built apps, websites, and platforms. We're experienced in UI/UX design, website development, desktop and mobile app development, APIs, generative AI solutions, and cloud services. Our UI design and software development experts work with your team to achieve your business...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    King of Prussia, Pennsylvania
    Number of Employees
    Under 49
    Average Hourly Rate
    $135/hr
    Minimal Budget
    $10,000 - $25,000

    Fynydd LLC Services

    • AI Development
    • Mobile App Development
    • Software Development
    • Web Design
    • UI/UX Design
    • Web Development
    • eCommerce Development
    • Cloud Consulting
    • IT Services
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • U.S. Bancorp
    • Red Hat Software
    • Pfizer
    • Saint-Gobain
    • U.S. Dept. of Justice
    • Heinz
    • The Vanguard Group
    • New Relic
    • Merck Sharp & Dohme
    • Philadelphia Scientific LLC
    Data sourced from the agency's DesignRush profile

    Fynydd LLC Reviews & Testimonials

    • David Sonn
      David Sonn Review from Google
      5.0

      David Sonn's Review Sourced from Google

      Fynydd is a team of very talented problem solvers, keenly skilled in delivering technology solutions. We flat out trust them. The applications, websites, and software they build are rock solid. And, they stand behind their work. In a world where the codebase could be faulty and you wouldn't even know it until it's far too late, Fynydd is the choice that brings peace of mind. #BeyondJustCoders

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Empowering Businesses With Zoho Solutions.

    Office Hub Tech, a top Zoho Consultant Company in the US, is honored to be an authorized Zoho Partner and thrilled to announce our role as a Bronze Sponsor at the upcoming Zoholic Austin 2024 event. With a focus on innovation, we offer tailored ERP solutions and a full suite of Zoho products including Zoho...

    Top Services:

    • Mobile App Development
    • IT Services
    • CRM Consulting
    • ERP Consulting
    • Show more
    Location
    Sanford, Florida
    Number of Employees
    100 - 249

    OfficeHub Tech Services

    • Mobile App Development
    • IT Services
    • CRM Consulting
    • ERP Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • 24/7 Medical Billing Services
    • Info Hub Digital
    • Info Hub Consultancy
    Data sourced from the agency's DesignRush profile
  • Your SkunkWorks Dev Team

    Blood & Treasure provides consulting and technical support services in all areas of software development and team management. 20+ platforms developed. Over $80m raised from our MVPs. 10+ years in business serving enterprises (Citrix, Gap, Nike) and start-ups (Thnks, Altru, Dollaride)...

    Top Services:

    • Product Design
    • Graphic Design
    • Web Design
    • UI/UX Design
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    $1,000 - $10,000

    Blood & Treasure, LLC Services

    • Product Design
    • Graphic Design
    • Web Design
    • UI/UX Design
    • Web Development
    • AI Development
    • Mobile App Development
    • Software Development
    • Cloud Consulting
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Citrix
    • Nike
    • GAP
    • Thnks
    • Millennium Strategies
    • Rep'd
    • Manhattan Chamber of Commerce
    • Dollaride
    • eModal
    • Liquid Talent
    Data sourced from the agency's DesignRush profile
  • Marketing that Matters

    Creativity Justified is a full services creative and digital design agency providing branding, marketing and advertising solutions to brands and businesses throughout the United States...

    Top Services:

    • Branding
    • Graphic Design
    • Digital Services
    • Logo Design
    • Package Design
    • Show more
    Location
    Mandeville, Louisiana
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $10,000 - $25,000

    Creativity Justified Services

    • Branding
    • Graphic Design
    • Digital Services
    • Logo Design
    • Package Design
    • Digital Marketing
    • Social Media Marketing
    • Advertising
    • Web Design
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • D.R. Horton
    • Blue Cross Blue Shield of Louisiana
    • Keller Williams Realty
    • McDonald's
    • State of Louisiana
    • City of New Orleans
    • Montessori Academy of Slidell
    • Angels Care Home Health Agency
    Data sourced from the agency's DesignRush profile

    Creativity Justified Reviews & Testimonials

    • Joyce Tapley
      Joyce Tapley Review from Google
      5.0

      Joyce Tapley's Review Sourced from Google

      Our company has worked with Creativity Justified for going on 3 years. We have experienced a significant increase in views and activity on our newly designed website, as well greater interest in our services. The owner and her team maintain a high level of professionalism. They respond positively with any changes requested, and they provide great recommendations on options to profile our business. Consider Creativity Justified as your new business partner!

    • Jean Marc V
      Jean Marc V Review from Google
      5.0

      Jean Marc V's Review Sourced from Google

      Carrita and the Creativity Justified team have quickly become a reliable partner for supplementing our communication function when we need a quick turnaround for internal and external outreach. They are dependable, efficient and professional. Jean-Marc

    • Corey Doyle
      Corey Doyle Review from Google
      5.0

      Corey Doyle's Review Sourced from Google

      I've conducted business with Carrita and Creativity Justified multiple times. She consistently displays professionalism and provides a personal touch every time. It has been a pleasure to work with Creativity Justified.

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

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