Top NYC Cross-Platform App Development Companies

86 Companies-Rankings updated: September 06, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

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  • Kodexo Labs

    Create - Inspire - Deliver

    We boost businesses with expert AI software development and web solutions, offering products and consulting across industries like automotive, IT, and healthcare etc. Partner with us to grow in the digital era using innovative technology...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • Software Testing
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    17 Projects Listed
    Visit WebsiteView Profile
    5.0 5.0 (6)

  • Riseup Labs

    Diving Into Technology

    Riseup Labs is a global AI-first technology company delivering software, BPO, and CX solutions that help enterprises innovate faster, scale smarter, and grow sustainably. From Bangladesh to the world, we design and build reliable solutions and agentic workflows that drive real outcomes...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Product Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
    Visit WebsiteView Profile
    4.7 4.7 (499)

  • Umbrella IT

    Booster for the Digital Evolution of Business

    Umbrella IT is a globally oriented company with a focus on fintech, retail and media. Umbrella IT is one of the top app development companies that provide common web/mobile and unique services such as Dedicated Team, IT Rescue Team, WordPress VIP Development Team, Project inn 3 months, UX Development...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • IT Services
    • Web Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    19 Projects Listed
    Visit WebsiteView Profile

  • Quytech

    AI | Gen-AI | Blockchain | IT Staff Augmentation | Mobile App

    Quytech is a leader in digital innovation of global startups, SMEs, and Fortune 500 organizations. With 14+ years of experience and strong technology expertise, we deliver digital-first experiences that help businesses stay competitive.View the Quytech Reviews, Portfolio, and Services...

    Top Services:

    • Mobile App Development
    • AI Development
    • Blockchain
    • IoT
    • Software Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
    Visit WebsiteView Profile
    4.7 4.7 (4)
    4.3 4.3 (122)

  • Moravio

    We design & develop web and mobile applications. Specializing in outsourcing and AI integration

    We are ready to build your project in the digital world. We will help you through the development process from initial analysis to successful launch. We design, build and launch digital products on mobile, web, and connected platforms...

    Top Services:

    • Software Development
    • AI Development
    • Staff Augmentation
    • Mobile App Development
    • CRM Consulting
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $79/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    2 Projects Listed
    Visit WebsiteView Profile
    4.4 4.4 (2)
    4.7 4.7 (30)

  • Edvantis

    Let's Create Digital Success Together!

    Edvantis is a data, AI & software engineering partner with over 400 talented professionals operating in Central & Eastern Europe and the USA...

    Top Services:

    • Software Development
    • AI Development
    • Big Data Analytics
    • Staff Augmentation
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed
    Visit WebsiteView Profile
    4.2 4.2 (5)

  • Captus Technologies

    Agile and Client Centric Software Development

    Captus Technologies offers professional services since 11+ years for more than 2300+ website developed. We have worked variety of industries such as Retail, Real Estate, Logistics, Healthcare and many more. We have Developed 1100+ Brands across the world. Our certified mobile app developers is committed to...

    Top Services:

    • UI/UX Design
    • Software Development
    • Web Development
    • eCommerce Development
    • Mobile App Development
    • 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
    14 Projects Listed
    Visit WebsiteView Profile

  • Winklix

    IT Solution Simplified

    Winklix is a digital transformation and IT consulting company delivering custom software, mobile apps, Salesforce solutions, AI development, and cloud services. We help startups and enterprises build scalable, high-performing digital solutions that drive growth and innovation...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Testing
    • Software Development
    • CRM Consulting
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile
    4.1 4.1 (1)
    5.0 5.0 (1)

  • Messapps

    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
    Visit WebsiteView Profile
    5.0 5.0 (5)

  • Cause of a Kind

    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
    Visit WebsiteView Profile
    5.0 5.0 (7)

  • Boomdevs LLC

    Branding That Starts With Trust

    Boomdevs is a strategic digital product partner for startups, scaleups, and enterprises. Since 2014, one senior team has taken products from strategy through design, engineering, and post-launch growth — custom software, web & mobile apps, UI/UX, and AI built in rather than bolted on. Our work runs at real...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Web Development
    • Web Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
    Visit WebsiteView Profile

  • Leadingdots US

    Your Trusted Web & Mobile Application Development Agency

    We understand your IT needs and deliver tailored solutions for a lasting impact...

    Top Services:

    • Mobile App Development
    • Web Development
    • Web Design
    • Software Development
    • SEO
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $67/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
    Visit WebsiteView Profile

  • Icicle Technologies Inc

    Reliable Software Development Partner

    Icicle technologies is building web and mobile apps for startups and enterprises since 2004. Specialized in Ruby on Rails, Elixir and Javascript technologies...

    Top Services:

    • eCommerce Development
    • UI/UX Design
    • Web Design
    • Web Development
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • Sparktopus, Inc

    Gifted by God to solve IT challenges.

    Sparktopus is a global IT services and consulting firm specializing in web design, web development, mobile app development, AI integration, cloud services, cybersecurity, digital marketing, and more...

    Top Services:

    • Web Design
    • WordPress Website Design
    • Web Development
    • SEO
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed
    Visit WebsiteView Profile

  • Hooman Studio

    Design for Humans

    Hooman is a digital studio that blends bold ideas with beautiful, human-first design. We specialize in websites, apps, and brand experiences that feel simple, smart, and just right. Whether you're building from scratch or leveling up, we turn complex ideas into intuitive products people actually enjoy using...

    Top Services:

    • Mobile App Development
    • Branding
    • Web Design
    • Web Development
    • AI Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $140/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile
    5.0 5.0 (36)

  • TechMagic

    Software development | HealthTech & Security experts

    TechMagic - a full-cycle development company with strong Healthtech expertise that provides end-to-end software development services to businesses.With a proven track record of 200+ successful projects, 10+ years on the market, and 300+ experts onboard, TechMagic is your trusted partner...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Cybersecurity
    • IT Services
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
    Visit WebsiteView Profile
    4.7 4.7 (81)

  • Supercharge

    Supercharge - Innovating Digital Product Development

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

    Top Services:

    • Software Development
    • AI Development
    • Digital Services
    • Product Design
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    6 Projects Listed
    Visit WebsiteView Profile
    5.0 5.0 (1)

  • thoughtbot

    thoughtbot is your expert partner for product design and development.

    20+ years over 1,000 clients! thoughtbot is a design and development company that helps clients lead the way through better products, faster teams, and stronger growth...

    Top Services:

    • Software Development
    • Web Development
    • Product Design
    • Web Design
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
    Visit WebsiteView Profile

  • Ultrashield Technology

    Top Mobile App Development Company Powered by AI & Blockchain

    Ultrashield Technology is a top mobile app development company in INDIA, specializing in iOS, Android & cross-platform apps. With expertise in AI/ML, LLMs, and Blockchain, we deliver secure, scalable, and future-ready digital solutions trusted by startups and enterprises...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • Blockchain
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
    Visit WebsiteView Profile
    4.3 4.3 (1)
    4.5 4.5 (13)

  • Blocktunix

    Design! Develop! Decentralize!

    Blocktunix distinguishes itself as a leading blockchain development company, recognized for its excellence in the field. Our team of highly skilled and adept blockchain developers ensures the consistent delivery of robust and dependable blockchain solutions...

    Top Services:

    • Blockchain
    • AI Development
    • Software Development
    • Mobile App Development
    • IoT
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
    Visit WebsiteView Profile
    5.0 5.0 (3)

  • Synchronized Studio

    Full-service creative studio crafting unparalleled digital experiences.

    We are a full-service creative studio crafting unique digital experiences.We provide our partners with exceptional digital solutions that bring strategic value and make their businesses thrive...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • Digital Services
    • Design Services
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    Visit WebsiteView Profile

  • Utility

    Award-Winning Mobile Design & Development Agency with AI Expertise

    Utility is a premier digital product agency specializing in custom mobile apps, web platforms, and AI-powered solutions for forward-thinking startups and global brands including Airbnb, Coca-Cola, Samsung, the NBA, and Forbes...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • UI/UX Design
    • Digital Services
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile
    4.6 4.6 (10)

  • Soft Does

    Custom Software That Works In The Real World

    SoftDoes builds custom software, AI, and web applications for mid-market companies that need enterprise-grade results without the overhead of an in-house team. U.S.-based leadership. Full IP ownership. No lock-in...

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile

  • 21Twelve Interactive

    Imigration turns to innovation

    21Twelve Interactive is the leading application development company in India, the United States, Canada and Australia. We help you transform the concepts of mobile phones into reliable and robust application solutions, with a surprising design and an incredible user experience that meets the requirements of...

    Top Services:

    • eCommerce Development
    • WordPress Website Design
    • UI/UX Design
    • Web Development
    • Web Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Visit WebsiteView Profile
    3.5 3.5 (4)

  • Webefy Today

    We Help Brands to Thrive and Grow

    Webefy Today is your go-to partner for all your design and development needs. From logo design to complete business solutions, we offer a wide range of services to meet your requirements. With years of experience, we specialize in assisting startups and established businesses in creating a unique online...

    Top Services:

    • Web Development
    • eCommerce Development
    • Web Design
    • Digital Marketing
    • Graphic Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    Visit WebsiteView Profile

  • Akxens

    Transform Ideas Into Digital Solution

    Akxens Inc. is a premier enterprise software engineering firm redefining the standards of digital transformation by bridging the critical gap between boutique agility and institutional scale. We specialize in architecting high-performance digital infrastructure from custom ERP and CRM ecosystems to scalable...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Digital Services
    • Cybersecurity
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • Mobile App Development Company in New York

    Apps Powered By New York Energy

    A results-driven mobile app development company focused on creating innovative, scalable, and user-centric digital solutions. It offers end-to-end services, from concept and design to development and ongoing support, helping businesses turn ideas into high-performing mobile applications...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Software Development
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • Blood & Treasure, LLC

    Your SkunkWorks Dev Team

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

    Top Services:

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

  • Teletab

    Growth For Apps That Want To Scale Smarter

    Teletab is a full-service app marketing agency helping startups and top apps grow smarter through AI SEO, creative performance, and data-driven strategy. We specialize in app store optimization (ASO), AI SEO, influencer marketing, performance marketing, paid media, and creative testing that scales installs...

    Top Services:

    • Digital Marketing
    • Mobile App Development
    • Web Design
    • UI/UX Design
    • Cloud Consulting
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • New York App Devs

    Backed by Global Expertise, Powered by Local Insight

    New York App Devs is a top-rated mobile app development company in New York specializing in custom iOS, Android, and AI-powered solutions. From eCommerce to healthcare, we build sleek, scalable apps tailored for NYC's fast-paced market. Our local team uses Swift, Kotlin, Flutter & TensorFlow to craft...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Software Testing
    • Software Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    5.0 5.0 (4)

  • mejix

    Tailored digital products and brand UX design

    For two decades, our innovative digital products development agency has taken on a wide range of challenging IT services. We are masters at crafting custom software solutions and stunning web designs - anything from simple logo design to complex large-scale development projects! Let us help make your digital...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • Software Development
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $25,000 - $50,000
    Visit WebsiteView Profile
    5.0 5.0 (3)

  • Vectorium Labs

    AI-first product engineering. From idea to production.

    At Vectorium Labs, we combine deep technical expertise with bold innovation to deliver cutting-edge, AI-powered software solutions that solve real-world challenges...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Big Data Analytics
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile

  • Akendi Inc.

    Intentional Experiences

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

    Top Services:

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

  • Wildnet Technologies Ltd.

    Your Digital Marketing and White Label Partner

    Wildnet Technologies - Best Digital Marketing Agency | White Label Services for Growing Agencies | Results-Driven AI SEO Services  We don't just run campaigns, we build growth engines that scale. As an award-winning digital marketing and SEO agency, we help brands and agencies dominate their markets through...

    Top Services:

    • Digital Marketing
    • Social Media Marketing
    • Staff Augmentation
    • Digital Services
    • PPC
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile
    4.2 4.2 (240)

  • Nickelfox Technologies

    Empowering Ideas. We Design, Develop & Deliver!!!

    Nickelfox is a leading design and development studio that specializes in creating customized, scalable mobile app, UI/UX design, staff augmentation and software solutions for startups and Fortune 500 companies...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • IT Services
    • Web Design
    • Staff Augmentation
    • 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
    1 Project Listed
    Visit WebsiteView Profile
    4.5 4.5 (94)

  • Claritus Consulting

    Powering Innovation. Enabling Change.

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

    Top Services:

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

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