Our industry experts identified the leading mobile app development companies in New York that build high-performance apps that foster growth. You can filter agencies by budget, reviews, team size and city to choose the best partner for your business needs.​
Best New York Mobile App Developers
3 Companies-Rankings updated: September 05, 2026
Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.
Here at SEM Nexus, we combine agile App Development with strategic marketing to launch standout mobile apps. Our deep understanding of user experience, monetization models, and growth hacking ensures unmatched results. From discovery to VC prep, we drive engagement and scale your app’s success...
Top Services:
Mobile App Development
Digital Marketing
Social Media Marketing
Advertising
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Location
New York City, New York
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
8 Projects Listed
SEM Nexus Services
Mobile App Development
Digital Marketing
Social Media Marketing
Advertising
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Know Wake
Assassins
Nautical Eye
YogiGoFitness
WinQuik
Data sourced from the agency's DesignRush profile
SEM Nexus Reviews & Testimonials
Anonymous
CEO at Cell My Listing
5.0★
App Marketing Review from Anonymous
SEM Nexus built a mobile app for our real estate platform, handling a complex API and other technical elements while also marketing the app. They always deliver what’s promised and maintain strong communication. The team is helpful, honest, and quick to respond, always willing to answer questions and go the extra mile.
Marilyn Major
CEO at FYSH
5.0★
Digital Marketing Review from Marilyn Major
The app is now live on Google Play and App Store and reached 8,450 downloads and 5,621 accounts created. Overall, [we are] satisfied with these success metrics thanks to SEM Nexus. The team manages the engagement well through regular meetings. They're always available, courteous, and honest. (Verified via email)
Anonymous
Founder at Truck'n
5.0★
Mobile App Development Review from Anonymous
The app is easy to navigate and designed for users. We’re very pleased with SEM Nexus’ work, which has exceeded expectations. They manage the partnership well, remain polite and professional, and take full ownership of the project’s success.
Reviews verified by DesignRush and sourced from the agency's profile
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AllianceTek is a global software development and IT consulting company delivering AI, cloud, web, and mobile solutions with 20+ years of expertise...
Top Services:
Software Development
Mobile App Development
Web Development
AI Development
IoT
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Location
New York City, New York
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
59 Projects Listed
AllianceTek Inc. Services
Software Development
Mobile App Development
Web Development
AI Development
IoT
CRM Consulting
eCommerce Development
IT Services
Staff Augmentation
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Genpact
Zydus USA
NFL
Johnson-Johnson
Innosight
Vacation Innovations
CTDI
Money360
Yeshiva University
QNB
Data sourced from the agency's DesignRush profile
AllianceTek Inc. Reviews & Testimonials
Kristine Wilson
Owner at KOMYOON Inc.
5.0★
Cross-Platform Review from Kristine Wilson
I've been working with AllianceTek for over five years, and they have been an invaluable technology partner. They seamlessly took over a complex project from previous vendors and have since played a crucial role in managing both our app and website.
Their team is highly knowledgeable, resourceful, and adaptable, with expertise across various platforms. No matter the challenge, they approach each project with patience, professionalism, and a problem-solving mindset. Their ability to listen, provide clear solutions, and ensure smooth execution has made them a trusted extension of our team.
Beyond their technical capabilities, what truly sets AllianceTek apart is their commitment to client success. They are responsive, proactive, and consistently go above and beyond to deliver results. I highly recommend them to anyone seeking a reliable, skilled, and collaborative development partner.
Kevin Labianco
Founder at Plantrip
5.0★
Mobile App Development Review from Kevin Labianco
We recently worked with AllianceTek regarding an app update, and they were professional, timely, and responsive as usual. Would recommend again!
Ravin Vasani
Review from Google
5.0★
Ravin Vasani's Review Sourced from Google
It's been great working in AllianceTek. User friendly working environment, I have learned so many things in this company. Management is very supportive.
Reviews verified by DesignRush and sourced from the agency's profile
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At CB/I Digital, we specialize in Performance Marketing and Platform Development for the purpose of driving increased traffic and revenue for Direct-to-Consumer (DTC) e-Commerce and large omnichannel brands...
Top Services:
PPC
Digital Marketing
SEO
AI Development
Mobile App Development
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Location
New York City, New York
Number of Employees
100 - 249
Average Hourly Rate
$149/hr
Minimal Budget
$25,000 - $50,000
CB/I Digital Services
PPC
Digital Marketing
SEO
AI Development
Mobile App Development
eCommerce Development
Web Development
Digital Services
Digital Strategy
UI/UX Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
LVMH
SLEEPER
VINGROUP
Frist Citizens Bank
IPPOLITA
Marmur Medical
MELINDA MARIA
UNION SAVINGS BANKS
MIZMOOZ
CHANLUU
Data sourced from the agency's DesignRush profile
CB/I Digital Reviews & Testimonials
Chandra Oh
Review from Google
5.0★
Chandra Oh's Review Sourced from Google
It has been wonderful working with Rhashiva from CBI over the past several months, as he and his team have been helpful in identifying areas of opportunity and coming up with strategies to improve our website's SEO. He is extremely communicative and easy to collaborate with. We've set several SEO goals for this quarter and I am looking forward to seeing how CBI's efforts can meet these targets.
Tyler Malinky
Review from Google
5.0★
Tyler Malinky's Review Sourced from Google
More than two years ago I hired CBI to help manage my SEO during a new website launch. The maintained and improved our orgranic traffic during this complex project. I was confident that I had a very technically capable team watching for anything that needed addressed during this time, things that I wouldn't even know to look for. I extended our working arrangement and they have worked with us on our website and SEO ever since, over two years now. I view CBI as a very important part of my company, trust them 100%, and enjoy working with them. They are one of the few companies that over-deliver. Highly recommended
Pricerock.com Pricerock.com
Review from Google
5.0★
Pricerock.com Pricerock.com's Review Sourced from Google
We have been working with CB/I Digital for over 2 years and very happy with their work. They have worked on several upgrades and design changes on our Magento website. They are now assisting with Facebook advertising. They have a very professional team that is very knowledgeable and diligent. We would highly recommend CG/I Digital to anyone interested in working with them.
Reviews verified by DesignRush and sourced from the agency's profile
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