Best US Cross-Platform App Development Companies

9 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.

United States × Cross-Platform Mobile App Development × Legal × Under $1,000 × Clear Filters
  • AI-Driven SEO & Web Solutions That Grow Businesses

    SITE IT NOW is a leading AI-driven SEO and web development agency specializing in custom websites, mobile apps, digital marketing, and secure hosting. We help businesses rank higher, get discovered in AI search, generate more leads, and accelerate growth...

    Top Services:

    • Web Design
    • Web Development
    • Mobile App Development
    • SEO
    • eCommerce Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    6 Projects Listed

    SITE IT NOW Services

    • Web Design
    • Web Development
    • Mobile App Development
    • SEO
    • eCommerce Development
    • WordPress Website Design
    • Software Development
    • Digital Marketing
    • AEO
    • Social Media Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • AviaChi
    • South West Collision
    • Arizona Tax Advisors
    • Just For You Entertainments, LLC
    • Bullitt Automotive
    Data sourced from the agency's DesignRush profile

    SITE IT NOW Reviews & Testimonials

    • Barbara Schmal
      Barbara Schmal Owner/Instructor at Real Estate Training School
      5.0

      Web Design Review from Barbara Schmal

      I decided to go with Site It Now because they are in Chicago IL and I am in Florida. I wanted a website developer in the US. I checked out their website and was impressed with the information I found. I am very pleased with my website and especially pleased with how they communicate with their customers. A real phone call, text, email all day every day until the project was completed.

    • Eddie Lebron
      Eddie Lebron Owner at Just 4 U Foto Booths
      5.0

      Web Design Review from Eddie Lebron

      SITE IT NOW has been nothing but the best to us. We made the decision to go with them because of the primary reviews they had but they have surpassed our expectation with the amount of Awesome customer services they have provided our company. Richard has been so attentive to us. He is so responsible in keeping us updated throughout the whole process. We feel we gained not only good service with them but a friendship. We definitely recommend site it now. They go above and beyond your expectations

    • Eric Skaff
      Eric Skaff owner at Arizona Tax Advisors
      5.0

      WordPress Website Design Review from Eric Skaff

      very responsive and easy to work with!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Catalyzing Innovation and Smart Digital Solutions.

    Apptalyst is a software development and digital marketing company. Our team is as wise as tree full of owls and we take great pride in proving our mettle in the services we offer. We strive to serve individuals, small businesses and corporations alike...

    Top Services:

    • Mobile App Development
    • Digital Marketing
    • SEO
    • Graphic Design
    • Web Design
    • Show more
    Location
    Great Falls, Virginia
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    3 Projects Listed

    Apptalyst Services

    • Mobile App Development
    • Digital Marketing
    • SEO
    • Graphic Design
    • Web Design
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • eCommerce Industry
    • Education Industry
    • Fashion Industry
    Data sourced from the agency's DesignRush profile
  • At Web Designs Detroit, we attract, nurture, and convert your leads with a statistics-based approach

    At Web Designs Detroit, our goal is to minimize inefficiencies and maximize ROI, leveraging our savvy and seasoned team to establish your business's presence in the ever-expanding digital realm. With our turnkey solutions, you can surpass competitors and assert market dominance effectively...

    Top Services:

    • Logo Design
    • Web Design
    • eCommerce Development
    • Web Development
    • Digital Marketing
    • Show more
    Location
    Detroit, Michigan
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    4 Projects Listed

    Web Designs Detroit Services

    • Logo Design
    • Web Design
    • eCommerce Development
    • Web Development
    • Digital Marketing
    • SEO
    • Mobile App Development
    • DevOps Consulting
    • Reputation Management
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Natural Beauty Training Academy
    • Attisha Legal
    • B. Kizy Law
    • Sarkodieh Radiology
    • Fresh and Fabulous
    Data sourced from the agency's DesignRush profile

    Web Designs Detroit Reviews & Testimonials

    • Julia Carolina
      Julia Carolina Co-founder at Swwwweet
      4.8

      Web Development Review from Julia Carolina

      The team really understood my vision and brief for the landing page design. The landing page was developed in a fairly fast pace. I would highly recommend!

    • Love You
      Love You Review from Google
      5.0

      Love You's Review Sourced from Google

      If you want the job done RIGHT! Badri is your guy. Very knowledgeable in Wix Website, local ranking in Ann Arbor and SEO in Ann Arbor. He's very innovative in his thinking and a great asset to your business and online presence. I highly recommend WEB Design Ann Arbor to everyone looking for web design.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Leading Internet Web Agency Based In New York.

    ATSMG serves as your exclusive provider for tailor-made designs, hosting, SaaS solutions, branding services, and a comprehensive array of offerings. Additionally, ATSMG offers a self-service platform for businesses and e-commerce ventures, empowering you to take charge of your digital needs...

    Top Services:

    • Digital Services
    • Graphic Design
    • Branding
    • Creative Services
    • Logo Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed

    ATS Media Group Services

    • Digital Services
    • Graphic Design
    • Branding
    • Creative Services
    • Logo Design
    • Web Design
    • UI/UX Design
    • eCommerce Development
    • WordPress Website Design
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Law Offices Of Frances Nicotra, Esq
    • XSBUILDER
    • Travel Ads Pro
    • VecTech Solutions, LLC.
    • SecuredStore
    Data sourced from the agency's DesignRush profile
  • The Technology Edge Your Business Deserves

    At Wildnet Edge, we combine AI-first thinking with deep product engineering expertise to build future-ready software for startups, mid-size firms, and global enterprises. Backed by Wildnet Technologies 19+ year legacy, our developers specialize in AI-native, scalable, and performance-driven systems...

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • DevOps Consulting
    • AI Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000

    Wildnet Edge Services

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • DevOps Consulting
    • AI Development
    • IoT
    • CRM Consulting
    • ERP Consulting
    • UI/UX Design
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Air India Express
    • Eureka Forbes
    • Amway
    • Hitachi
    Data sourced from the agency's DesignRush profile
  • 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
  • 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
  • Building Digital Growth.

    At LN Solutions , our mission is simple: to empower businesses with the tools and strategies they need to succeed online. Whether it's creating stunning websites, implementing effective digital marketing campaigns, or developing custom software solutions, we are here to help our clients achieve their goals...

    Top Services:

    • Digital Services
    • Web Development
    • Social Media Marketing
    • eCommerce
    • AI Development
    • Show more
    Location
    Schaumburg, Illinois
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000

    LN Solutions Services

    • Digital Services
    • Web Development
    • Social Media Marketing
    • eCommerce
    • AI Development
    • Software Development
    • Mobile App Development
    • Software Testing
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Modus Tech
    • PatentOAResponse
    • Shah Trading Company
    • Mark Distributor
    • Gokul Wholesale
    • SP Inventory
    • Huntley Crossing Luxury Apartments
    • Patel Jewelers
    • Luv2Smoke
    • Armanetti's Wine and Spirit Huntley
    Data sourced from the agency's DesignRush profile

    LN Solutions Reviews & Testimonials

    • Bob patel
      Bob patel Review from Google
      5.0

      Bob patel's Review Sourced from Google

      Great digital marketing service for my hotel and liquor store.had a wonderful experience with the whole team.highly recommended for social media marketing

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Ace Your Digital Edge

    Acetech Digital creates stunning websites and digital experiences that drive growth. From web design to SEO, branding, and marketing, we help businesses thrive online...

    Top Services:

    • Web Development
    • Digital Services
    • SEO
    • Digital Marketing
    • Social Media Marketing
    • Show more
    Location
    Houston, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000

    Acetech Digital Services

    • Web Development
    • Digital Services
    • SEO
    • Digital Marketing
    • Social Media Marketing
    • Mobile App Development
    • Branding
    • Reputation Management
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Health Care Industry
    • eCommerce Industry
    • Real Estate Industry
    Data sourced from the agency's DesignRush profile

    Acetech Digital Reviews & Testimonials

    • Local One Digital
      Local One Digital Review from Google
      5.0

      Local One Digital's Review Sourced from Google

      When I started my agency I found Acetech Digital and choosing them as my white label partner has been the best decision I could have ever made for my agency. The websites they build for me are always spot on and perfect. They will not disappoint! They have great prices because I’m able to live comfortably by selling websites to local businesses. Their communication is spot on and always there when I have questions or need anything. They have changed my life and my business and I will forever be grateful! Basel and his team are God sent!

    • Cameron Jones
      Cameron Jones Review from Google
      5.0

      Cameron Jones's Review Sourced from Google

      Acetech Digital is top-tier when it comes to web design. Their team has an amazing eye for clean, modern aesthetics and they truly understand how to build websites that not only look great but actually convert. The process was smooth from start to finish — professional communication, quick turnaround, and a final product that completely exceeded expectations. If you’re looking for a company that knows what they’re doing and delivers high-quality work, Acetech Digital is the one.

    • ace life
      ace life Review from Google
      5.0

      ace life's Review Sourced from Google

      If you’re looking for a game-changer in website design and digital transformation, Acetech Digital is the team you NEED. Period. I came to them needing a serious revamp—something bold, modern, and optimized to convert. What I got was beyond my expectations. They didn’t just rebuild my website; they elevated my brand with a sleek, high-performing digital presence that screams professionalism and credibility. From cutting-edge design to SEO-driven strategies, they nailed every detail, ensuring my site not only looks incredible but also dominates in visibility and engagement. The experience? Flawless. The results? Undeniable. Acetech Digital worked with me like a true partner, not just a service provider. Their expertise, commitment, and eye for innovation turned my vision into a powerhouse platform that now works for me 24/7. And let’s talk about Ali, man is he on point with detail…what a GAME-CHANGER. Thanks to Acetech Digital’s integration and creative approach, we’ve leveraged AI-powered visuals that make content pop, engage, and convert like never before. If you want real results, a digital presence that stands out, and a team that actually cares about your success, Acetech Digital is the only name you need to remember. This is next-level digital excellence.

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

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