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

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

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  • Plavno

    Building AI-Powered Software That Delivers Results

    Building AI-Powered Software That Delivers Results

    Plavno is an AI-first software development company that helps businesses accelerate innovation through intelligent automation, AI assistants, and scalable digital platforms. With more than two decades of experience and hundreds of successful projects delivered, the company specializes in building advanced...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Blockchain
    • Software Development
    • Show more
    Location
    Alexandria, Virginia
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    25 Projects Listed
    View Profile
    4.8 4.8 (5)
    5.0 5.0 (3)

  • ScienceSoft

    Driving Project Success No Matter What

    Driving Project Success No Matter What

    ScienceSoft USA Corporation, doing business as ScienceSoft, is an AI transformation and software development company with more than 36 years of experience. We deliver secure solutions for healthcare and financial services, as well as retail, manufacturing, telecom, and more...

    Top Services:

    • Software Development
    • Mobile App Development
    • Cloud Consulting
    • Managed Services
    • Wearables
    • Show more
    Location
    McKinney, Texas
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Portfolios Count
    11 Projects Listed
    View Profile
    4.8 4.8 (8)
    5.0 5.0 (4)

  • KrishaWeb

    Transforming Digital Experiences

    Transforming Digital Experiences

    KrishaWeb is a full-service digital agency delivering web, marketing, and software solutions since 2008. We build custom, conversion-focused websites, web apps, eCommerce stores, and SaaS platforms, and deliver AI solutions, automation, and digital marketing. 130+ experts serving clients globally...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • Digital Marketing
    • WordPress Website Design
    • Show more
    Location
    Loveland, Colorado
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    18 Projects Listed
    View Profile
    4.7 4.7 (7)
    4.9 4.9 (94)

  • Attract Group

    We deliver digital business strategy. Let's Build It Right.

    We deliver digital business strategy. Let's Build It Right.

    We don't just write code we align every technology decision with your business goals, so each product serves a clear commercial purpose. Our team brings deep expertise across mobile and web development, design, project architecture, application development, and IT business consulting...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • AI Development
    • eCommerce Development
    • Show more
    Location
    Las Vegas, Nevada
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    22 Projects Listed
    View Profile
    4.8 4.8 (6)
    5.0 5.0 (1)

  • Seasia Infotech

    Enterprise AI Solutions | Scalable . Flexible. Sustainable

    Enterprise AI Solutions | Scalable . Flexible. Sustainable

    Seasia Infotech is a global AI-powered digital engineering company with 25+ years of experience delivering custom software, AI solutions, cloud applications, mobile apps, and enterprise platforms. We help businesses accelerate innovation, improve efficiency, and drive digital transformation...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • Big Data Analytics
    • Show more
    Location
    Emeryville, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    54 Projects Listed
    View Profile
    4.3 4.3 (1)

  • QOLOS

    Award Winning Custom Development Experts | ERP Integration | Shopify/BigCommerce

    Award Winning Custom Development Experts | ERP Integration | Shopify/BigCommerce

    QOLOS (pronounced "koh-lohs") is a U.S.-based software development company, specializing in building custom, high-performance digital solutions for brands that demand innovation. From complex ERP integrations to e-commerce solutions - you are in good hands with QOLOS...

    Top Services:

    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Software Development
    • UI/UX Design
    • Show more
    Location
    Green Bay, Wisconsin
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    View Profile
    4.9 4.9 (11)
    5.0 5.0 (6)

  • UrApptech, Inc.

    Passion to Innovate

    Passion to Innovate

    Urapptech: Where Innovation Meets Functionality. We specialize in crafting cutting-edge software solutions tailored to amplify your digital presence and streamline operations. Whether you're launching a startup or expanding an enterprise, our team of tech-savvy wizards is dedicated to transforming your ideas...

    Top Services:

    • Web Development
    • Wearables
    • IoT
    • AI Development
    • Blockchain
    • Show more
    Location
    Austin, Texas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (45)

  • Blue Archer

    Professionals You Can Trust For Results-Driven Web Design & Software Development. Since 1999.

    Professionals You Can Trust For Results-Driven Web Design & Software Development. Since 1999.

    Blue Archer is a team of interdisciplinary professionals who looks at your business needs with a single shared goal in mind: to create an effective digital presence for your business. Working collaboratively, we're able to achieve results that are creative and strategic, with measurable business impact. We...

    Top Services:

    • Web Design
    • Web Development
    • Software Development
    • Digital Services
    • SEO
    • Show more
    Location
    Pittsburgh, Pennsylvania
    Number of Employees
    Under 49
    Portfolios Count
    14 Projects Listed
    View Profile
    4.8 4.8 (8)
    4.9 4.9 (153)

  • iVelopment, Inc

    Empowering Innovation Through IT Solutions.

    Empowering Innovation Through IT Solutions.

    iVelopment delivers cutting-edge IT solutions that drive business success. With a focus on personalized service and innovative technologies, we provide tailored software development, systems integration, and IT staffing to help companies stay ahead in a rapidly evolving digital landscape...

    Top Services:

    • Graphic Design
    • Logo Design
    • Web Design
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Portfolios Count
    4 Projects Listed
    View Profile
    4.9 4.9 (10)
    5.0 5.0 (1)

  • The Apptitude

    Think Big. Think The Apptitude - We build apps that build your business.

    Think Big. Think The Apptitude - We build apps that build your business.

    Think Big. Think The Apptitude. This is not merely a slogan - we welcome challenges and deliver sustainable results as per the needs and timeline of clients. From startups to established businesses, The Apptitude has been helping brands succeed in the AI and digital world for well over 9 years...

    Top Services:

    • Software Development
    • Mobile App Development
    • Blockchain
    • AI Development
    • eCommerce Development
    • Show more
    Location
    Houston, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
    View Profile
    4.8 4.8 (8)

  • Dreamsoft4u

    Leading the AI Revolution in Healthcare & Enterprise Solutions

    Leading the AI Revolution in Healthcare & Enterprise Solutions

    Next-Generation AI Development Company - Transforming Ideas into Intelligent Reality DreamSoft4u is pioneering the future of AI-powered software development with cutting-edge Generative AI solutions that deliver measurable business impact...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • IoT
    • AI Development
    • Show more
    Location
    Corona, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    18 Projects Listed
    View Profile
    4.8 4.8 (6)

  • RiviWeb

    We Build Extraordinary Websites

    We Build Extraordinary Websites

    We are a team of designers and developers successfully meeting customer demands, while maintaining outstanding customer service. We love what we do! Team RiviWeb is known for extraordinary websites, expert branding, eCommerce, custom coding, and creative marketing solutions...

    Top Services:

    • Web Development
    • Web Design
    • eCommerce Development
    • UI/UX Design
    • SEO
    • Show more
    Location
    Macon, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Portfolios Count
    19 Projects Listed
    View Profile
    4.8 4.8 (6)

  • Cubicuz Solutions

    Let's Connect with Future

    Let's Connect with Future

    Cubicuz Solutions: Dedicated to enhancing marketing ROI, we champion growth and a robust competitive edge for companies through Google Ads. We're not just marketers; we're your ROI advocates...

    Top Services:

    • eCommerce Development
    • Web Development
    • Web Design
    • WordPress Website Design
    • PPC
    • Show more
    Location
    Lewes, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Portfolios Count
    14 Projects Listed
    View Profile
    4.7 4.7 (8)

  • Plaxonic Technologies

    Invent | Innovate

    Invent | Innovate

    Plaxonic is a forward-thinking technology company specializing in AI, automation, and digital transformation. We provide innovative solutions to enhance business efficiency and drive growth in various industries...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • IoT
    • AI Development
    • Show more
    Location
    Clearwater, Florida
    Number of Employees
    100 - 249
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    9 Projects Listed
    View Profile
    4.8 4.8 (8)
    4.4 4.4 (8)

  • Screenlink Technologies

    Every business need a digital identity

    Every business need a digital identity

    At Screenlink Technologies, we specialize in customizing website development to craft unique, responsive, and dynamic online experiences for your brand. We collaborate closely to ensure tailored solutions that enhance your web presence from conception to launch, driven by our dedication to delivering...

    Top Services:

    • Mobile App Development
    • Web Development
    • Branding
    • Logo Design
    • WordPress Website Design
    • Show more
    Location
    Austin, Texas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $100/hr
    Portfolios Count
    17 Projects Listed
    View Profile
    4.8 4.8 (6)

  • Xenonapps

    Seamless Digital Solutions For Mobile App Development Service.

    Seamless Digital Solutions For Mobile App Development Service.

    Elevate your online footprint through our extensive array of mobile app development services. Our commitment is to provide cutting-edge, feature-enriched app development solutions, fostering the digital transformation of businesses and ensuring their resilience in the fiercely competitive market landscape...

    Top Services:

    • Mobile App Development
    • IoT
    • VR/AR
    • UI/UX Design
    • Web Development
    • Show more
    Location
    Miami, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
    View Profile
    4.8 4.8 (8)
    5.0 5.0 (3)

  • Nerdheadz

    AI-Powered Custom Software Development Agency

    AI-Powered Custom Software Development Agency

    NerdHeadz builds AI-powered web, mobile & desktop apps. 30+ engineers, 35+ projects in fintech, edtech, healthtech & more...

    Top Services:

    • AI Development
    • Software Development
    • Web Development
    • Mobile App Development
    • Web Design
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
    View Profile
    4.9 4.9 (9)
    5.0 5.0 (5)

  • Right Tail

    Product Teams On Demand

    Product Teams On Demand

    Right Tail provides a high-performance Product Software Development and IT Staff Augmentation team built for speed, precision, and outcomes. We partner with startups, scale-ups, and enterprise technology companies to design, build, and scale world-class digital products...

    Top Services:

    • Staff Augmentation
    • Software Development
    • Mobile App Development
    • AI Development
    • Blockchain
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed
    View Profile
    4.8 4.8 (6)

  • DevsData Tech Talent

    Premium Software Development & Tech Recruitment Services

    Premium Software Development & Tech Recruitment Services

    IT managed services, offshore team in Poland , Romania , and LATAM , highly-technological clients with ultra high satisfaction...

    Top Services:

    • HR Outsourcing
    • Staff Augmentation
    • Mobile App Development
    • Web Development
    • AI Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $55/hr
    Portfolios Count
    15 Projects Listed
    View Profile
    4.8 4.8 (6)

  • HyperSense Software

    Production AI That Users Actually Feel

    Production AI That Users Actually Feel

    As an AI software development company, we deliver production-ready AI features-copilots, document automation, knowledge assistants, recommendations, and voice agents-integrated into your apps to streamline workflows, enhance decision-making, and drive measurable business impact...

    Top Services:

    • Mobile App Development
    • Web Design
    • Software Development
    • UI/UX Design
    • IT Services
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    21 Projects Listed
    View Profile
    4.8 4.8 (5)
    5.0 5.0 (5)

  • SoftTeam

    Venture Infrastructure for Scalable Value Creation

    Venture Infrastructure for Scalable Value Creation

    SoftTeam is an international IT services and talent-augmentation company operating across locations such as Ukraine, Estonia, Poland, Austria and the United Kingdom. The firm provides models such as IT staff augmentation, dedicated teams and out-staffing to support businesses across industries including...

    Top Services:

    • IT Services
    • Staff Augmentation
    • Software Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
    View Profile
    4.8 4.8 (7)
    5.0 5.0 (1)

  • DigitalSuits

    Shopify/Plus | Web Development | AI Development | UX/UI design | Custom Development

    Shopify/Plus | Web Development | AI Development | UX/UI design | Custom Development

    DigitalSuits is a full-cycle ecommerce agency with a focus on Shopify development and extensive expertise in AI development, web development, and custom software development...

    Top Services:

    • eCommerce Development
    • Software Development
    • Web Development
    • Web Design
    • Staff Augmentation
    • Show more
    Location
    Miami, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
    View Profile
    4.8 4.8 (8)
    5.0 5.0 (2)

  • itCraft

    High-end development for mobile innovation leaders

    High-end development for mobile innovation leaders

    Top rated software house that delivers mobile and web application for clients around the world. 11 years on the market, 100+ engineers, 250+ projects delivered. All aspects related to safety, confirmed by the ISO 9001 / ISO 27001 certificates...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • Product Design
    • Software Testing
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    13 Projects Listed
    View Profile
    4.8 4.8 (7)
    4.5 4.5 (10)

  • iotric

    MVP & Product Development Company

    MVP & Product Development Company

    We are a premier global agency specializing in MVP and and Product Development, empowering groundbreaking startups to bring their ideas to fruition through cutting-edge technology...

    Top Services:

    • AI Development
    • Blockchain
    • Mobile App Development
    • Web Development
    • VR/AR
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
    View Profile
    4.8 4.8 (7)

  • WestLink

    Products Start Here.

    Products Start Here.

    Founded in 2016, WestLink is a Colorado-based digital product development studio, providing product development and strategy consulting services for companies across the US. Get in touch - we'd be excited to see how we can help!...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • eCommerce Development
    • UI/UX Design
    • Show more
    Location
    Denver, Colorado
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    View Profile
    4.9 4.9 (10)

  • Wilson Wings

    Imagine. Innovate. Inspire.

    Imagine. Innovate. Inspire.

    We help businesses by guiding them through the process of planning, building & launching their digital products. With over 6+ years of industry experience & 50+ team members, we have managed to deliver 200+ successful projects including digital services like Strategy, Design, and Development...

    Top Services:

    • UI/UX Design
    • Web Development
    • Branding
    • WordPress Website Design
    • Web Design
    • Show more
    Location
    Clermont, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Portfolios Count
    25 Projects Listed
    View Profile
    4.9 4.9 (23)
    4.9 4.9 (9)

  • BairesDev

    Software Outsourcing & Development | 500+ Active Clients

    Software Outsourcing & Development | 500+ Active Clients

    Founded in 2009 by Nacho de Marco and Paul Azorín, BairesDev provides top 1% tech talent to a range of clients, from startups to Fortune 500 companies...

    Top Services:

    • Software Development
    • Web Development
    • UI/UX Design
    • Mobile App Development
    • Software Testing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
    View Profile
    4.8 4.8 (8)
    3.9 3.9 (32)

  • Red Collar

    An Award-Winning Agency With 13 Years of Expertise

    An Award-Winning Agency With 13 Years of Expertise

    Red Collar digital agency was founded in 2011, now the team consists of 100+ experts. Our two main service lines are web design and end-to-end development. We were announced the best agency in the world in 2017 and 2019 by CSS Design Awards and have twice won the Webby, the 'Oscar' of the Internet...

    Top Services:

    • Web Development
    • eCommerce Development
    • Web Design
    • Branding
    • Graphic Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    23 Projects Listed
    View Profile
    4.7 4.7 (4)
    5.0 5.0 (1)

  • SPEC INDIA

    Recommended by 96% CEO, CTO and COO Globally

    Recommended by 96% CEO, CTO and COO Globally

    At SPEC INDIA, we are Empowering businesses with AI in the digital world. With more the 36+ years of experience in the tech space we have been delivering bespoke software solution that power businesses worldwide. Our commitment and assurance of quality makes us stand out in the market. ...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Software Testing
    • Show more
    Location
    Bridgewater, New Jersey
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    54 Projects Listed
    View Profile
    4.8 4.8 (14)
    4.4 4.4 (135)

  • Rocketech Development

    We create digital products and grow with our partners!

    We create digital products and grow with our partners!

    Rocketech is a software development company collaborating with 100+ Middle and Senior level IT and business professionals and specialising in analytics-driven web and mobile development. Our team has released 150+ products for 100+ startups and enterprises...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • Blockchain
    • UI/UX Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed
    View Profile
    4.8 4.8 (6)
    5.0 5.0 (1)

  • Promodex

    Website & application development

    Website & application development

    Promodex is your long-term digital partner. We deliver UI/UX design, front/back-end development, marketing (SEO, SMM, PPC), support, automation, and custom CRM/ERP solutions. 12+ years of experience. Need a turnkey solution? Lets talk!...

    Top Services:

    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Web Design
    • Mobile App Development
    • Show more
    Location
    Cheyenne, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    20 Projects Listed
    View Profile
    4.8 4.8 (5)
    4.9 4.9 (15)

  • Báchoo

    We Create Loveable Websites, Game-Changing Applications, Scalable and Reusable Code Under the Hood.

    We Create Loveable Websites, Game-Changing Applications, Scalable and Reusable Code Under the Hood.

    Bachoo studio is an award-winning web studio, dedicated to creating sophisticated and technologically advanced solutions for our clients. We offer end-to-end services, starting with concept and strategy, and continuing through design, development, QA, devops, and support...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Branding
    • Show more
    Location
    El Segundo, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Portfolios Count
    17 Projects Listed
    View Profile
    4.7 4.7 (5)

  • Junkies Coder

    Top-rated Mobile Apps, AI/ML, Blockchain Development Company.

    Top-rated Mobile Apps, AI/ML, Blockchain Development Company.

    Junkies Coder is a leading technology solution provider across 15 countries and 50+ Rockstar Developers is our strength, We're specializing in web development, Top-rated Mobile App Development, and innovative solutions. Our experienced team is dedicated to delivering high-quality service and support to help...

    Top Services:

    • Mobile App Development
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • Digital Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    15 Projects Listed
    View Profile
    5.0 5.0 (29)
    4.9 4.9 (22)

  • AppVerticals

    Products Engineered for Growth, Built AI-Native

    Products Engineered for Growth, Built AI-Native

    AppVerticals is a Dallas-based product engineering company building mobile, web, custom software, and AI-native products for startups and Fortune 500s. Senior-only teams. 2,000+ products shipped...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • ERP Consulting
    • Show more
    Location
    Dallas, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    22 Projects Listed
    View Profile
    4.7 4.7 (4)
    5.0 5.0 (8)

  • BKThemes

    Where cutting edge development happens

    Where cutting edge development happens

    We are number one in Shopify, WordPress and BigCommerce with updates, custom themes and sitespeed. No need to pay those high Agency fees. Look here and get the best quality at a price you can afford...

    Top Services:

    • Digital Services
    • SEO
    • Digital Strategy
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Ontario, Oregon
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    17 Projects Listed
    View Profile
    4.8 4.8 (5)
    5.0 5.0 (7)

  • JetRuby

    AI-Enabled Сustom Software Development

    AI-Enabled Сustom Software Development

    We're JetRuby — AI-native, award-winning, and ISO-certified agency that's been shipping software since 2010. Our 250+ engineers turn bold ideas into production-ready products, starting from budgets of $50,000 and scaling all the way to enterprise roll-outs...

    Top Services:

    • Web Development
    • Software Development
    • Mobile App Development
    • Web Design
    • AI Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    33 Projects Listed
    View Profile
    4.5 4.5 (2)

  • Mindrops

    Web and Mobile Apps Development Company

    Web and Mobile Apps Development Company

    Mindrops is an AI-driven digital technology company delivering future-ready solutions. We build intelligent websites, smart eCommerce platforms, mobile apps, and custom software-scalable, secure, and user-friendly. Our AI expertise drives automation and business growth...

    Top Services:

    • Web Development
    • IT Services
    • AI Development
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Orlando, Florida
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed
    View Profile
    4.9 4.9 (26)
    4.9 4.9 (119)

  • Sparx IT

    Software development company that delivers measurable results.

    Software development company that delivers measurable results.

    SparxIT is an AI-driven technology partner delivering intelligent software solutions, AI development, cloud transformation, and digital products. We build scalable platforms powered by AI, ML, and automation for startups and enterprises. Trusted by HP, Suzuki, and Hisense...

    Top Services:

    • AI Development
    • Cybersecurity
    • Web Design
    • Web Development
    • eCommerce Development
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    Location
    Walpole, Massachusetts
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Portfolios Count
    35 Projects Listed
    View Profile
    4.9 4.9 (19)
    3.8 3.8 (435)

  • Vention

    Verified Verified by the DesignRush team for authenticity and credibility.
    Engineering peace of mind

    Engineering peace of mind

    At Vention, unparalleled customer care isnt just a promise its our mission. We blend personalized experience, unwavering attention to detail, and a genuine passion for your business, ensuring that every aspect of our collaboration is tailored to your success...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Software Testing
    • Web Development
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    Location
    New York City, New York
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    15 Projects Listed
    View Profile
    4.6 4.6 (6)
    4.9 4.9 (19)

  • Agency Partner Interactive

    Grow Your Business With Our Digital Growth Engine

    Grow Your Business With Our Digital Growth Engine

    Trust your web or marketing project with a 5-star Google rated, Texas-based Inc. 5000 award winner. Our expertise earned us a spot on the SMU-Cox School of Business 'Dallas 100' list for 2020. With industry awards for marketing, web design, and digital strategy, work with an expert...

    Top Services:

    • Web Design
    • Web Development
    • Digital Marketing
    • Design Services
    • eCommerce Development
    • Show more
    Location
    Plano, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    30 Projects Listed
    View Profile
    4.5 4.5 (3)

  • TowerHouse Studio

    Technology That's All About You

    Technology That's All About You

    TowerHouse is a full-service mobile application development company with offices in Miami and Montevideo. We strategize and work with your team from start to finish with one goal: Deliver the best product possible...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • IT Services
    • UI/UX Design
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    Location
    Miami, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Portfolios Count
    15 Projects Listed
    View Profile
    4.8 4.8 (5)
    4.8 4.8 (6)

  • Scopic Studios

    Marketing: Easier said than done. Let the experts do it!

    Marketing: Easier said than done. Let the experts do it!

    We are your dedicated full-service digital marketing & growth partner. With a global team of experienced marketers, we blend bold techniques with strategic insight to drive long-term growth for both B2B and B2C brands. Get in touch and let's put your brand on top...

    Top Services:

    • SEO
    • Digital Services
    • Digital Marketing
    • Web Design
    • Content Marketing
    • Show more
    Location
    Marlborough, Massachusetts
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
    View Profile
    4.7 4.7 (6)
    5.0 5.0 (1)

  • Tech Gropse

    Next-Gen Apps for Next-Gen User

    Next-Gen Apps for Next-Gen User

    Passionate about crafting innovative digital solutions, TechGropse is a leading technology firm that specializes in mobile app development, web development, and emerging technologies. Our commitment to excellence, creativity, and client satisfaction sets us apart...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • AI Development
    • IoT
    • Show more
    Location
    Atlanta, Georgia
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    23 Projects Listed
    View Profile
    4.9 4.9 (24)

  • datarockets

    Not A Typical Dev Shop

    Not A Typical Dev Shop

    datarockets is a development company consisting of 40 in-house developers working remotely from Canada and eastern Europe. Founded in 2014, they develop custom software and applications for startups and medium-sized businesses. Besides development, they consult entrepreneurs on product strategy...

    Top Services:

    • Software Development
    • Mobile App Development
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    19 Projects Listed
    View Profile
    4.7 4.7 (4)
    4.7 4.7 (12)

  • Rootless Agency

    Where Brands Take Flight Through Exceptional Web Design!

    Where Brands Take Flight Through Exceptional Web Design!

    At Rootless Agency, we're a full-service digital agency based in the Greater Boston area, specializing in web design, social media management, digital marketing, and branding. Our mission is to craft digital experiences that boost business growth and pave the way for innovative technologies...

    Top Services:

    • Graphic Design
    • Video Production
    • Branding
    • Web Design
    • Web Development
    • Show more
    Location
    Hudson, Massachusetts
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    11 Projects Listed
    View Profile
    4.8 4.8 (6)
    5.0 5.0 (40)

  • Articon

    Artistic Designs - Creative Concepts

    Artistic Designs - Creative Concepts

    We at ARTICON (Custom Design Agency) believe and respect this proverb because we are in the business of creativity and ideas. We are here to create a GREAT First impression of our clients for their customers through our highly creative and unique presentations through our designs...

    Top Services:

    • Logo Design
    • Web Design
    • eCommerce Development
    • Branding
    • Mobile App Development
    • Show more
    Location
    Dallas, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    28 Projects Listed
    View Profile
    4.5 4.5 (2)

  • Dev.Pro

    Software Development Partner

    Software Development Partner

    Dev.Pro is a software and smart contract development partner that allows innovative technology companies to amplify their growth ambitions and expedite time-to-market...

    Top Services:

    • Software Development
    • Blockchain
    • Mobile App Development
    • Cloud Consulting
    • Digital Services
    • Show more
    Location
    Charlotte, North Carolina
    Number of Employees
    500 - 999
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed
    View Profile
    4.8 4.8 (7)

  • Idea Maker

    You Think It, We'll Build It.

    You Think It, We'll Build It.

    Idea Maker is a U.S.-based software development agency helping businesses transform ideas into scalable digital products. Our expert team specializes equally in mobile apps, custom software, AI-powered solutions, and modern web platforms...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • AI Development
    • Web Design
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    10 Projects Listed
    View Profile
    4.8 4.8 (6)
    5.0 5.0 (16)

  • Trango Tech

    Driving Change Through Technology - Apps, Ecommerce, Staff Aug, BPO, Next Gen Tech and more!

    Driving Change Through Technology - Apps, Ecommerce, Staff Aug, BPO, Next Gen Tech and more!

    Trango Tech provides unique digital solutions, leveraging a team of 200+ seasoned developers to deliver seamless App Development, mobile platforms, and enterprise-grade systems. Our powerful insights optimize results across every digital transformation campaign. Explore what’s next...

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • AI Development
    • Web Design
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Portfolios Count
    17 Projects Listed
    View Profile
    4.6 4.6 (5)
    4.5 4.5 (6)

  • Timspark

    Software Development and Consulting Company

    Software Development and Consulting Company

    Timspark is a software development company delivering custom technology solutions through skilled, autonomous engineering teams. Our flexible delivery model helps clients solve complex challenges, accelerate development, and build reliable, scalable digital products...

    Top Services:

    • Staff Augmentation
    • Software Development
    • Mobile App Development
    • AI Development
    • DevOps Consulting
    • Show more
    Location
    St. Petersburg, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    35 Projects Listed
    View Profile
    4.3 4.3 (1)

Related Mobile App Development Specializations in the US

Popular Services

Why People Trust DesignRush

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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  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
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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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