Explore top startup app development companies in the United States that turn ideas into scalable, user-friendly apps built for fast growth.

We Have Researched the Best US Startup App Development Companies For You

1,627 Companies - Rankings updated: August 14, 2026

All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.

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  • Moon Technolabs

    Transforming Businesses withAI-Powered Solutions

    Transforming Businesses withAI-Powered Solutions

    Moon Technolabs, an ISO-certified global software company, has 17+ years of experience, 1650+ projects, and 400+ experts. We specialize in custom software, web, and mobile app development, delivering innovative solutions that exceed client expectations...

    Top Services:

    • AI Development
    • IoT
    • Software Development
    • Mobile App Development
    • DevOps Consulting
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Portfolios Count
    12 Projects Listed
    View Profile
    5.0 5.0 (14)

  • Profstep LLC

    Empowering brands with unparalleled e-commerce excellence for online success!

    Empowering brands with unparalleled e-commerce excellence for online success!

    With 32 official Adobe Commerce certifications and recognition as an Adobe Solution Partner, our development team ensures expertise and a commitment to excellence you can rely on. Profstep Agency, is a full-cycle development company delivering best-in-class Adobe Commerce solutions to B2B and B2C c...

    Top Services:

    • Digital Strategy
    • Web Design
    • eCommerce Development
    • SEO
    • eCommerce
    • Show more
    Location
    Dover, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $85/hr
    Portfolios Count
    12 Projects Listed
    View Profile

  • Novus.Team

    Technical Expertise for your Business

    Technical Expertise for your Business

    Novus a tech firm, specializes in outsourcing web/mobile apps. Expertise includes DeFi, DEXs, tokenization, crypto wallets, NFTs, GameFi, Metaverse. Uses AI for Chatbots, Emotion analysis, Automates admin tasks, Data analysis in Medical Insurance, HR, and B2B wholesale optimization...

    Top Services:

    • Blockchain
    • AI Development
    • Software Development
    • Mobile App Development
    • IT Services
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
    View Profile
    4.3 4.3 (1)

  • The Suitch

    The Suitch is a professional app development and design agency based in New Jersey.

    The Suitch is a professional app development and design agency based in New Jersey.

    The Suitch is a leading digital transformation agency servicing a range of unicorn startups and global brands. We strategize, design, and develop user-facing technology that wins in the marketplace...

    Top Services:

    • Public Relations
    • Design Services
    • Digital Strategy
    • Web Development
    • Web Design
    • Show more
    Location
    Jersey City, New Jersey
    Number of Employees
    100 - 249
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.3 4.3 (2)
    3.2 3.2 (21)

  • OSMOS

    Verified Verified by the DesignRush team for authenticity and credibility.
    The studio for companies that will matter.

    The studio for companies that will matter.

    OSMOS is a New York creative strategy firm for tech and AI companies, pre-seed to late stage. Positioning, brand systems, UI/UX, go-to-market. AI is turning technology into water. We help founders build the bottle that wins the shelf...

    Top Services:

    • Branding
    • Web Design
    • Web Development
    • UI/UX Design
    • AI Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
    View Profile
    5.0 5.0 (4)

  • Wrexa Technologies

    The Innovation Specialists

    The Innovation Specialists

    Wrexa Technologies is an architect of digital innovation and a pioneer of transformation. Focused on driving progress and revolutionizing industries, our team brings cutting-edge expertise to every project. Our diverse skill set spans software development, blockchain technology, the Metaverse, fintech, and...

    Top Services:

    • Video Production
    • eCommerce Development
    • Web Development
    • Blockchain
    • Mobile App Development
    • Show more
    Location
    Casper, Wyoming
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    15 Projects Listed
    View Profile
    4.3 4.3 (1)

  • Rubico

    20+ Years of Custom Software!

    20+ Years of Custom Software!

    Rubico is passionate about creating websites, web applications and mobile apps! With offices in the US and India, we are well equipped to help any business achieve its development goals!...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Austin, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed
    View Profile
    5.0 5.0 (4)

  • Launch Smarter

    An award winning digital marketing agency specializing in SEO, PPC, and More.

    An award winning digital marketing agency specializing in SEO, PPC, and More.

    Launch Smarter designs high-performing websites and brand experiences for companies ready to scale. We blend strategy, design, and automation to help businesses grow smarterwith results that convert, brands that stand out, and systems that scale...

    Top Services:

    • Web Design
    • SEO
    • PPC
    • Graphic Design
    • Advertising
    • Show more
    Location
    Winchester, Massachusetts
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed
    View Profile

  • MultiQoS

    Your Trusted Partner in IT Services & Innovation

    Your Trusted Partner in IT Services & Innovation

    MultiQoS is a software development company offering web and mobile app development solutions. The company's prowess traverses beyond the realm of apps, extending its capabilities to encompass website development, enterprise software solutions, and of course, mobile app development...

    Top Services:

    • Mobile App Development
    • Web Design
    • Software Development
    • Cloud Consulting
    • AI Development
    • Show more
    Location
    Elgin, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    14 Projects Listed
    View Profile
    4.3 4.3 (1)
    3.9 3.9 (25)

  • The WebSwan

    Nationwide Web Designer Building AI-Powered Custom Websites

    Nationwide Web Designer Building AI-Powered Custom Websites

    Certified web design, UX/UI & SEO agency building AI-powered custom websites, apps & lead-gen systems for small businesses nationwide...

    Top Services:

    • Web Design
    • Web Development
    • SEO
    • Digital Strategy
    • UI/UX Design
    • Show more
    Location
    Oakland, California
    Number of Employees
    Under 49
    Portfolios Count
    10 Projects Listed
    View Profile

  • Digital4design

    Web Design and Development Company for Growing Businesses

    Web Design and Development Company for Growing Businesses

    Digital4design builds high-performing digital experiences through expert web design, mobile app development, and scalable CMS solutions. We prioritize modern tech, clean UX, and results that support long-term growth...

    Top Services:

    • WordPress Website Design
    • eCommerce Development
    • Web Design
    • Mobile App Development
    • Web Development
    • Show more
    Location
    Palm Harbor, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Portfolios Count
    9 Projects Listed
    View Profile
    4.3 4.3 (1)
    4.9 4.9 (50)

  • Vakoms

    Vakoms is a one-stop software development company, based in Ukraine (Lviv and Ivano-Frankivsk), delivering end-to-end IT solutions and services to clients from around the globe since 2010. Vakoms has a portfolio of 250+ of successfully completed projects and over 100 in-house specialists.ServicesWe offer a...

    Top Services:

    • Software Development
    • Mobile App Development
    • IoT
    • Web Design
    • IT Services
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    11 Projects Listed
    View Profile
    4.8 4.8 (79)

  • SaM Solutions

    Building tomorrow with technology!

    Building tomorrow with technology!

    SaM Solutions is a software engineering company offering a range of services, including software development, IT consulting, and quality assurance...

    Top Services:

    • Software Development
    • Software Testing
    • IoT
    • AI Development
    • Staff Augmentation
    • Show more
    Location
    Norwood, Massachusetts
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    6 Projects Listed
    View Profile
    5.0 5.0 (3)

  • Computer Task Group

    Shaping Digital Together

    Shaping Digital Together

    CTGs comprehensive solutions help clients across all industries address the business, technology, and operational challenges that are escalating as the pace of change gets faster and the stakes get higher. Our solutions leverage the latest tools and methodologies to allow for greater technology and...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • IoT
    • Cloud Consulting
    • Show more
    Location
    Buffalo, New York
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
    View Profile

  • UPDIVISION

    Building unicorns

    Building unicorns

    We take ideas and turn them into software products users love. Whether it's building the next unicorn or reimagining your existing application. We solve real-life challenges through design thinking and game-changing software. Since 2010...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Graphic Design
    • Show more
    Location
    Griffin, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    11 Projects Listed
    View Profile
    4.4 4.4 (5)

  • CitrusBits

    Transforming Healthcare Through Technology

    Transforming Healthcare Through Technology

    CitrusBits is a mobile app development agency that designs and develops impactful mobile apps and responsive mobile content for businesses of all types. Having developed critical mobile apps for clients including DuPont, J&J, Burger King, Quiksilver, Symantec, and Sothebys, CitrusBits is trusted by movers and...

    Top Services:

    • Mobile App Development
    • Software Development
    • Blockchain
    • IoT
    • AI Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Portfolios Count
    2 Projects Listed
    View Profile
    4.3 4.3 (1)
    5.0 5.0 (2)

  • JetSoftPro

    Agility. Performance. Scale.

    Agility. Performance. Scale.

    JetSoftPro comprises a network of tech professionals dedicated to helping your business achieve its technology objectives through exceptional software development and data science expertise. Our team is committed to delivering superior solutions that drive your success...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Design
    • VR/AR
    • Blockchain
    • Show more
    Location
    Denver, Colorado
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
    View Profile
    5.0 5.0 (1)

  • bART Solutions

    The art of software development.

    The art of software development.

    Custom software development company specialized in web, desktop and mobile development, UI/UX design, CRM integrations...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • eCommerce Development
    • Web Design
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
    View Profile
    5.0 5.0 (2)

  • IMG Global Infotech

    Your trusted partner for cutting-edge mobile app development.

    Your trusted partner for cutting-edge mobile app development.

    Discover innovation and excellence at IMG Global Infotech! Immerse yourself in cutting-edge services and high-quality development solutions that redefine the digital landscape. Our dynamic work environment fosters creativity and collaboration to fuel groundbreaking ideas...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Software Development
    • AI Development
    • Show more
    Location
    California City, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
    View Profile
    4.6 4.6 (140)

  • Marotino

    Software Solutions That Work For You

    Software Solutions That Work For You

    Marotino leads the way in redefining IT solutions and blockchain development, focusing on innovative end-to-end solutions that guarantee success for our clients. Our commitment to understanding your unique needs and our emphasis on quality and time-to-market strategies make us a trusted partner in your...

    Top Services:

    • Blockchain
    • Mobile App Development
    • UI/UX Design
    • Software Development
    • AI Development
    • Show more
    Location
    Miami, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed
    View Profile
    5.0 5.0 (5)

  • App Design 360

    Web & Mobile App Design & Development Hub owned by Disabled Veteran (SDVOSB)

    Web & Mobile App Design & Development Hub owned by Disabled Veteran (SDVOSB)

    App Design 360s custom web, mobile & software design & development company. We engaged with our customer to provide evidence based strategic solutions, customer friendly UI design and best-in-class customized digital experiences for tomorrow. We have been formed as a team for 6 years of industry specialized...

    Top Services:

    • Web Design
    • Mobile App Development
    • Software Development
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    Teaneck, New Jersey
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed
    View Profile

  • Messapps

    Combining Aesthetics and Functionality

    Combining Aesthetics and Functionality

    MessApps isn't just about building apps; we're building dreams. Work with us and see how our expert app development can elevate your project...

    Top Services:

    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Web Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Portfolios Count
    8 Projects Listed
    View Profile
    5.0 5.0 (5)

  • Sommo

    A No Code Launching of Your Ideas

    A No Code Launching of Your Ideas

    With our no-code tool expertise, including Bubble.io, Webflow, Adalo, Glide, and many more, we can turn your ideas into reality in just a few weeks! Our services include the discovery stage (business analysis), UX/UI design, website development, and mobile and web app development. As a part of the Uptech...

    Top Services:

    • Web Development
    • Web Design
    • UI/UX Design
    • Mobile App Development
    • eCommerce Development
    • Show more
    Location
    Dover, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
    View Profile

  • Triagons

    Make your ideas take flight with our tech done right.

    Make your ideas take flight with our tech done right.

    Triagons, driven by innovation, excels in crafting impactful digital products through a team of top-tier talents. Our approach seamlessly merges design and value, elevating our clients' visions to unparalleled heights in the digital world...

    Top Services:

    • Product Design
    • Web Design
    • UI/UX Design
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Dover, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile

  • PXP

    We don't just build websites. We build experiences.

    We don't just build websites. We build experiences.

    With over two decades of experience, our team is adept at crafting tailored web solutions across a spectrum of platforms and technologies. Whether you envision complete digital overhaul or simply need to enhance and improve your existing site, we provide the expertise to bring your vision to life. Our...

    Top Services:

    • Design Services
    • Graphic Design
    • Web Design
    • UI/UX Design
    • eCommerce Development
    • Show more
    Location
    Woods Cross, Utah
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
    View Profile

  • falcani

    simplify. optimize. falcanize.

    simplify. optimize. falcanize.

    The software factory for the small businesses! We are a technology company that help small businesses to stand out from their competition. We create well-designed, customized and high-performant software solutions. Let us #falcanize some things for you!...

    Top Services:

    • Software Development
    • Web Development
    • Web Design
    • eCommerce Development
    • Mobile App Development
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    13 Projects Listed
    View Profile

  • 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)

  • NTSprint LLC

    Maximizing Ideas

    Maximizing Ideas

    NTSprint helps U.S. businesses accelerate growth through AI-powered software, dedicated nearshore engineering teams, and scalable cloud solutions. With 10+ years of experience and 500+ projects delivered, we provide real-time collaboration, faster delivery, and measurable business impact...

    Top Services:

    • Software Development
    • AI Development
    • Cloud Consulting
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Bothell, Washington
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    13 Projects Listed
    View Profile
    5.0 5.0 (2)

  • SEOTM

    Result-Driven Digital Solutions Since 2005

    Result-Driven Digital Solutions Since 2005

    We provide results-driven solutions in the Digital field since 2006. While working with us you will receive the expertise and knowledge from our Digital Agency and highly qualified resources from our Research & Development Competence Centre...

    Top Services:

    • Web Development
    • Web Design
    • Mobile App Development
    • SEO
    • PPC
    • Show more
    Location
    Escondido, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.3 4.3 (1)

  • Kultprosvet

    We build dedicated teams and thriving products

    We build dedicated teams and thriving products

    Kultprosvet is a Dnipro, Ukraine based software development firm founded in 2011. It builds dedicated web and mobile development teams, focusing on full-cycle solutions UI/UX, front-end, back-end, project management, and QA. With expertise in Node.js, PHP/Laravel, React, Vue, and native mobile (iOS/Android...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • Staff Augmentation
    • UI/UX Design
    • Show more
    Location
    Bowling Green, Ohio
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
    View Profile
    4.6 4.6 (5)

  • HiveNexis

    AI-Driven Digital Solutions

    AI-Driven Digital Solutions

    HiveNexis delivers smart, scalable digital and e-commerce solutions powered by AI, automation, and precision-driven development. Our dedicated team helps brands build high-performance websites, grow online sales, and scale stronger in the digital space...

    Top Services:

    • Web Development
    • eCommerce Development
    • Web Design
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Sugar Land, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Portfolios Count
    9 Projects Listed
    View Profile

  • What the Flutter

    Leading Flutter development agency

    Leading Flutter development agency

    What the Flutter is a software development company with top expertise in Flutter and Mobile technology. Our service is to provide extremely talented developers ready to solve the hardest business problems with Flutter...

    Top Services:

    • Mobile App Development
    • Web Development
    • Staff Augmentation
    • IT Services
    • Show more
    Location
    Middletown, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile
    4.3 4.3 (1)

  • Nixtio

    Crafting Innovative Digital Solutions And Remarkable Products

    Crafting Innovative Digital Solutions And Remarkable Products

    Unique solution for your business that generates leads. We have relevant experience in this industries & niches: SaaS, CRM, Dashboard, eCommerce, Healthcare, Real Estate, Crypto, Fintech, Social Media, Education, Sports & Fitness, Gambling & more. Websites of our clients receive prestigious awards on...

    Top Services:

    • Branding
    • Graphic Design
    • Web Design
    • UI/UX Design
    • Mobile App Development
    • Show more
    Location
    Miami, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Portfolios Count
    5 Projects Listed
    View Profile

  • Ortem Technologies LLC

    Technology With Soul. Strategy With Fire

    Technology With Soul. Strategy With Fire

    Where Vision Meets Execution and Innovation Has Purpose. We believe technology should do more than just function it should fuel transformation, unlock hidden potential, and create a meaningful impact. With over a decade of experience, we specialize in delivering custom-built, high-performance solutions across...

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • DevOps Consulting
    • eCommerce Development
    • Show more
    Location
    Lewes, Delaware
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
    View Profile

  • SECL Group

    Smart Engineering for an AI-Driven World!

    Smart Engineering for an AI-Driven World!

    SECL Group is a software engineering company specializing in developing and implementing AI-powered custom web solutions, as well as offering technical consulting services...

    Top Services:

    • Software Development
    • Web Development
    • eCommerce Development
    • UI/UX Design
    • Web Design
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Portfolios Count
    10 Projects Listed
    View Profile

  • Appinnovista

    Empowering Tomorrow, One Line of Code at a Time.

    Empowering Tomorrow, One Line of Code at a Time.

    Appinnovista excels in crafting digital excellence through innovative software solutions, offering specialized expertise in custom software development tailored to your business objectives. Our seasoned developers ensure the delivery of scalable, secure, and high-performance applications from...

    Top Services:

    • Web Design
    • UI/UX Design
    • Web Development
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Alexandria, Virginia
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    10 Projects Listed
    View Profile

  • Ardas

    Every Move Is for the Product.

    Every Move Is for the Product.

    Ardas is a SaaS-centric shop with a focus on reaching business success rather than technologies or methodologies...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • IoT
    • AI Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    11 Projects Listed
    View Profile

  • Meteor Labs

    Build Software Customers Love

    Build Software Customers Love

    Located in Boulder, CO, Meteor Labs provides high-quality UX design & software development for clients including start-ups and Fortune 100 companies...

    Top Services:

    • UI/UX Design
    • Mobile App Development
    • Software Development
    Location
    Boulder, Colorado
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    11 Projects Listed
    View Profile
    5.0 5.0 (1)

  • CS Designs and Marketing

    We Create Websites That Build Business

    We Create Websites That Build Business

    We are a website design and Marketing company. We do SEO, Reputation Management, Website Development...

    Top Services:

    • Web Design
    • Web Development
    • SEO
    • Social Media Marketing
    • Video Marketing
    • Show more
    Location
    Fresno, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.3 4.3 (1)
    4.7 4.7 (12)

  • Element Media

    Comprehensive Software Solutions, All in One Place!

    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
    View Profile
    4.3 4.3 (1)
    5.0 5.0 (4)

  • Rivо Agency

    Transforming Ideas into Impactful Digital Solutions.

    Transforming Ideas into Impactful Digital Solutions.

    Rivo Agency is a leading custom software development firm dedicated to delivering innovative web and mobile solutions. With a focus on industries like healthcare, e-commerce, and construction, our expert team harnesses the latest technologies to create secure, scalable applications that drive business...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • WordPress Website Design
    • eCommerce Development
    • Show more
    Location
    Citrus Heights, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.3 4.3 (1)

  • Flink Sol

    Driven by Strategy, Powered by Results.

    Driven by Strategy, Powered by Results.

    Flink Sol empowers businesses with Digital Marketing, SEO, Web Development, Management, and Social Media. Delivering result-driven strategies that boost visibility, engagement, and growth through creativity, technology, and tailored digital solutions...

    Top Services:

    • Web Design
    • Branding
    • Software Development
    • Mobile App Development
    • eCommerce Development
    • Show more
    Location
    Falls Church, Virginia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.3 4.3 (1)
    5.0 5.0 (1)

  • Radixweb

    Your Software Development Partner Where AI Innovation Meets Engineering Excellence

    Your Software Development Partner Where AI Innovation Meets Engineering Excellence

    Founded in 2000, Radixweb is a global leader in AI-driven software, product engineering & digital transformation. With 25+ yrs, 650+ experts & 5,500+ projects for 3,000+ clients in 25+ countries, we deliver cloud & AI solutions across industries, driving innovation, agility & growth...

    Top Services:

    • Software Development
    • Web Development
    • eCommerce Development
    • Mobile App Development
    • IT Services
    • Show more
    Location
    Artesia, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Portfolios Count
    24 Projects Listed
    View Profile
    4.2 4.2 (385)

  • Cyfrania

    Launching Valuable Solutions

    Launching Valuable Solutions

    Cyfrania serves as a professional software development consultancy, dedicated to assisting our clients in enhancing their applications and staying at the forefront of technological advancements. Our team of engineers provides ongoing, valuable insights, fostering a continuous exchange of ideas and ensuring...

    Top Services:

    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Web Development
    • Show more
    Location
    St. Petersburg, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
    View Profile

  • TekInvent

    Empowering Digital Growth

    Empowering Digital Growth

    TekInvent is a leading digital transformation company delivering custom software, mobile apps, & AI-powered solutions. We help startups & enterprises innovate, automate, $ scale through cutting-edge technology, creative design, & data-driven strategyturning ideas into impactful digital experiences...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Digital Marketing
    • Staff Augmentation
    • Web Development
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed
    View Profile
    5.0 5.0 (3)

  • Mindgrub

    We Create Technology That Improves Lives, Simplifies Work, and Drives Business Results.

    We Create Technology That Improves Lives, Simplifies Work, and Drives Business Results.

    Mindgrub is an award-winning tech consultancy that delivers AI-driven solutions and custom-built digital experiences that drive measurable business results. We partner with organizations to improve efficiency, accelerate growth and build whats next in the AI era...

    Top Services:

    • Web Design
    • AI Development
    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Show more
    Location
    Baltimore, Maryland
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
    View Profile
    4.9 4.9 (27)

  • Apriorit

    #1 in Cybersecurity, Blockchain, AI&ML, Python, NodeJS

    #1 in Cybersecurity, Blockchain, AI&ML, Python, NodeJS

    Apriorit is a leader in smart contract development, cybersecurity services, along with advanced data management technologies. Other services offered by this IT firm include SaaS engineering, Driver development, system programming, professional reverse engineering, blockchain, AI&ML and more...

    Top Services:

    • Software Development
    • Blockchain
    • IT Services
    • Cybersecurity
    • Web Development
    • Show more
    Location
    Lynn, Massachusetts
    Number of Employees
    250 - 499
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
    View Profile

  • Cause of a Kind

    Cause of a Kind Solves Complex Business Problems With Custom Software and Web Solutions.

    Cause of a Kind Solves Complex Business Problems With Custom Software and Web Solutions.

    Cause of a Kind is an award winning tech startup accelerator and creative studio and our mission is to help cool people, build great products. Cause of a Kind exists to solve complex business problems for entrepreneurs, innovators, and mission-driven organizations...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • eCommerce Development
    • Design Services
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
    View Profile
    5.0 5.0 (7)

  • Topflight Apps

    Your AI + Healthcare Development Partner

    Your AI + Healthcare Development Partner

    Your healthcare development partner: We build digital health products that leverage generative AI to improve patient care, operation costs, and provider burnout...

    Top Services:

    • Mobile App Development
    • Web Design
    • Web Development
    • UI/UX Design
    • AI Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
    View Profile

  • Sigma Solve Inc.

    Enterprise Software Solutions

    Enterprise Software Solutions

    Sigma Solve, Inc is a technology consulting & software development company that helps businesses maximize the power of Salesforce.com, e-Commerce, Microsoft Development (Dynamics, PowerBI, Sharepoint) & Mobile Apps. We use these technology solutions to guide our clients vision for digitization, sale...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Sunrise, Florida
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
    View Profile
    4.7 4.7 (27)

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Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding startup app development companies in the United States. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

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Frequently Asked Questions

How do app development companies for startups in the US help new businesses grow?

App development companies for startups in the US create digital products that attract users and investors. They handle everything from market research and UI/UX design to coding and launch support, helping startups bring their ideas to life, validate concepts quickly, and reach the market faster. 

What makes the best US startup app development companies different from competitors?

The best US startup app development companies focus on strategy as much as coding. They shape the product roadmap, test ideas with real users, and build MVPs that prove market fit. Their teams combine tech expertise and startup experience to guide founders through funding, scaling, and product optimization. 

How much do startup app development services in the US cost?

Startup app development services in the US start at $5,000 and can exceed $300,000. 

  • A simple app typically costs $5,000–$50,000 
  • A medium-complexity app ranges from $50,000–$120,000 
  • Complex apps with advanced integrations like AI, AR, or blockchain can reach $120,000–$300,000 or more. 

US developers usually charge around $100 per hour, and maintaining the app afterward adds another 15–25% of the initial cost per year. 

What is the typical project timeline for startup app development companies in the US?

A basic MVP usually takes 3–4 months from planning to launch. More complex apps, especially those that require advanced features, API integrations, or cross-platform development, can extend to 6–12 months, depending on team size and testing cycles. 

What tools and technologies do top US startup app development companies use?

Top US startup app development companies often use frameworks like React Native, Flutter, Swift, Kotlin, and Node.js, along with cloud platforms such as AWS, Google Cloud, or Azure. For design and testing, they use tools like Figma, Jira, and GitHub to streamline collaboration and speed up releases. 

How do startup app development companies in the US support product scalability and long-term success?

Startup app development companies in the US build flexible architectures that handle growth in users, data, and features. Many offer post-launch support, analytics tracking, and iterative development plans. Their goal is to keep the app stable, secure, and adaptable as the startup scales or enters new markets.

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