Top Mobile App Development Companies in Brooklyn, New York

OSMOS

Verified

Turning Startups into Buisnesses, and Buisnesses into Disruptors

5.0(10)

5.0

10 reviews

At OSMOS, we’re your partners in building scalable products and standout brands. Based in New York City, we specialize in custom app development, brand strategy, and growth marketing, helping startups and enterprises create products that not only work but also thrive. Our Distinctly Human approach ensures every app is user-centric and deeply aligned with a compelling brand identity. From defining your brand to launching growth-driven apps, we build with the future in mind, positioning you to scale and succeed in competitive markets. We help startups at every stage with: Strategic Branding That Resonates Go-to-Market & Growth Strategies Experiential Web Design UI/UX Ai Implementation Partner with OSMOS to bring your vision to life and establish a brand and product that genuinely connect with users. Let’s build something remarkable.

Vention

Engineering peace of mind

As a software development company with 20+ years in the field, Vention provides innovative services to startups and large enterprises. The company tackle projects of any complexity and size, delivering outstanding solutions that help clients focus on business expansion and new opportunities. With 3K+ dedicated developers globally, Vention match clients with top engineering talent in time zones that align seamlessly with their unique needs. The company’s impressive track record: • Over 500 industry-leading clients, including PayPal, IBM, Mount Sinai, PwC, and Postman. • Contributions to client acquisitions exceeding $15B. • Clients typically save up to $600K annually. • An average client relationship of more than 36 months, demonstrating consistently high client satisfaction. • The longest client engagement has lasted 16 years. Vention provides end-to-end software development expertise, covering the full engineering spectrum—from initial concept creation to final delivery and optimization: - Custom software development - AI software development - Web and mobile development - QA and testing - Cloud & DevOps - Blockchain - AR/VR

Zfort Group

Zfort Group is a versatile IT services provider specializing in custom software development, AI solutions, and web ap...

4.7(1)

4.7

1 review

Zfort Group is a versatile IT services provider specializing in custom software development, AI solutions, and web applications. With a focus on innovation and quality, the company is dedicated to helping businesses enhance their operations and drive growth through advanced technology.

BlueLabel

Blue Label is an award-winning, remote-first team of 100+ strategists, designers, and developers.

4.7(1)

4.7

1 review

Blue Label is an award-winning, remote-first team of 100+ strategists, designers, and developers. We’re based all over the world, with offices in New York City, Seattle, and San Francisco.

Top Notch Dezigns

Verified

Top Notch Dezigns is a custom web design and digital marketing agency and its main focus is to boost brands online.

Top Notch Dezigns is a custom web design and digital marketing agency and its main focus is to boost brands online. We design and create custom websites and digital strategies to boost brand awareness and increase leads or sales.

Lickability

Lickability is a mobile app design and development agency that creates iOS, Android, and cross-platform applications.

Lickability is a mobile app design and development agency that creates iOS, Android, and cross-platform applications for startups and Fortune 500 companies. They provide end-to-end services including strategy, user research, UI/UX design, native development, and product management, with notable clients like The Atlantic, Mastodon, and RevenueCat.

noformat

noformat is a strategic creative agency based in NYC that creates digital strategies and experiences for brands and.

noformat is a strategic creative agency based in NYC that creates digital strategies and experiences for brands and startups by combining beautiful design with cutting-edge technology. They specialize in developing mobile apps, website design and development, brand identity systems, and digital product experiences, with notable work including fitness tracking apps, banking website redesigns, and social media platforms.

Utility is a New York-based digital products agency specializing in custom mobile app development, digital transformation, and AI solutions. They craft award-winning applications and platforms for enterprises like Airbnb, Forbes, and Samsung, combining strategic design with scalable technology to create innovative user experiences across mobile, web, and emerging technologies.

Work & Co

Work & Co is a digital product agency that designs and develops flagship digital products for the world's leading bra...

Work & Co is a digital product agency that designs and develops flagship digital products for the world's leading brands. Known for a product-driven approach, the agency has created digital experiences for companies like Apple, IKEA, Marriott, and Gatorade.

Simpalm

Award Winning Mobile, App & Web Design Company

5.0(22)

5.0

22 reviews

Simpalm is a leading digital product development company in the USA, specializing in UI/UX design, mobile app development, web development, AI solutions, and SaaS platforms. With offices in Maryland, Chicago and New York, we’ve been building transformative digital solutions for startups, established companies, and nonprofits. Our digital solutions have solved challenges for healthcare, financial services, construction, education, IoT, charities, associations and SaaS industry. Our team of experienced project managers, designers, developers, and testers combines creativity with cutting-edge technology to turn ideas into high-performing apps, websites, and AI-driven systems. We focus on delivering products that enhance efficiency, scalability, and user experience — helping organizations grow faster in today’s digital-first world. With over 400+ successful deployments, Simpalm has become a trusted partner for businesses looking to design, develop, and scale their digital products. Beyond development, we offer continuous support and maintenance to ensure your solution remains secure and future-ready. Our Main Services: Discovery and Design: Define requirements, create wireframes, and design visually engaging UI/UX for your app or website. Custom App Development: Build AI-powered mobile apps using React Native, Swift, Kotlin, and Flutter. Website Design and Development: Craft CMS-based websites in WordPress, Drupal, or Hubspot CMS to represent your brand or organization effectively. Web and SaaS Applications: Develop scalable SaaS or web portals using React, Node.js, .NET, and Python. AI Strategy and Development: Create tailored AI strategies, chatbots, and automation workflows that empower your business. Support and Maintenance: End-to-end technical support to keep your products performing seamlessly. Some of our customers include, Bamboo, WindowNations, Pepsi, AudiobooksNow.

Rexsoft

RexSoft is an international custom software development company with 12+ years of experience specializing in web and.

RexSoft is an international custom software development company with 12+ years of experience specializing in web and mobile app development, IT consulting, and outsourced IT services. They offer ready-made solutions for electric scooter/bike rental businesses and provide bespoke software development across logistics, scooter sharing, and moving industries.

Automatic Technology Solutions is a results-driven IT and marketing company helping businesses grow through intelligent digital transformation. We specialize in combining advanced technologies with strategic marketing to deliver measurable business outcomes. Our services include custom software development, AI-powered solutions, performance marketing, SEO optimization, and scalable e-commerce systems. What sets us apart is our ability to bridge the gap between technology and growth. We don’t just build solutions — we create systems that attract customers, increase conversions, and drive long-term revenue. With experience working across international markets including the US, Dubai, and Africa, we bring a global perspective to every project while adapting strategies to local business needs. Our approach is simple: data first, execution fast, results measurable. Whether you're a startup looking to launch or an established company aiming to scale, we provide the tools, strategy, and execution to move your business forward.

Crush and Lovely

Crush & Lovely is a digital product development agency specializing in mobile and web applications for health, media,...

4.7(1)

4.7

1 review

Crush & Lovely is a digital product development agency specializing in mobile and web applications for health, media, and social impact organizations. They develop photo-heavy apps like National Geographic's mobile magazine experience, create digital tools such as Rooms To Go's sofa configurator, and build platforms for clients including the American Heart Association, Doctors Without Borders, and Triller's music video app.

Rapptr Labs is a digital product development agency specializing in building and scaling mobile apps, web applications, and AI-powered digital experiences. They focus on turning ideas into launch-ready MVPs with interdisciplinary teams covering strategy, design, and engineering, having built over 50 products with a 95% rate of accurate estimates.

RNO1

Verified

RNO1 Is A Global Branding, UX & Digital Growth Agency. We Guide Modern Brands Across Platforms & Places. Creating Radical Digital Experiences™.

RNO1 is a global branding, UX/UI, digital product & growth agency built for the future of bold companies. For 15+ years, we've helped modern brands from VC-backed startups to global enterprise, design standout digital experiences that convert users into customers and drive measurable business results. What We Do We partner with teams that want more than just pretty work. We help visionary brands: Define and elevate brand strategy and identity Design UX/UI and digital platforms that convert Build performance-driven websites & apps Create AI-enhanced digital marketing and GEO/AEO Generate measurable digital growth and user engagement Our approach merges senior design expertise with growth-centric thinking (not vendor work, but a true partnership). Who We Work With From VC-backed startups to Fortune 500/100 brands, RNO1 pushes boundaries with companies who: Seek real impact over buzz Want scalable digital experiences Are ready to grow faster, smarter, and with purpose Clients include brands like Airbnb, Microsoft, Acorns, Rezolve, BMW, Disney, and high-growth VC-backed tech companies. Proven Results We dont just deliver projects we fuel growth: $10B+ in aggregated client market growth Multiple clients acquired or scaled to unicorn status Clients raising major funding rounds after our collaborations Why RNO1? Flexible partnership models: custom models tailored to your business. Senior-level, cross-functional teams: strategy through execution. Design first, results always: we measure success by impact, not effort. Ready to accelerate your digital growth? Visit rno1 dot com: Lets build your next breakthrough Speak to a human? 1-833-473-0086

SEM Nexus

SEM Nexus is a mobile app development and marketing agency that builds and markets high-performance mobile applications.

SEM Nexus is a mobile app development and marketing agency that builds and markets high-performance mobile applications using agile development processes. They specialize in App Store Optimization (ASO), data-driven user acquisition, and leverage AI to create mobile experiences that deliver measurable business results for startups and established companies.

Fueled is a digital agency delivering strategic web development, mobile apps, and AI solutions. They specialize in enterprise WordPress development as the top WP VIP partner, award-winning iOS app development, and cutting-edge AI applications including workflow automation and rapid prototyping for clients like Google, New York Times, and Mayo Clinic.