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Mobile App Experts | NYC AI App Developers

Who We Are:

  • Min project size
    $10,000+
  • Hourly rate
    $100 - $149 / hr
  • Employees
    10 - 49
  • Locations
    New York, NY
  • Year founded
    Founded 2017
  • Languages
  • Timezones

4 Languages that we service

  • English
  • Spanish
  • Arabic
  • French

1 Timezone that we service

EST
Eastern Standard Time (EST)

1 Locations

  • New York , NY

No Focus Areas have been added yet…

Industries
Medical
65%
Advertising & marketing
20%
Consumer products & services
15%
Clients
Small Business (<$10M)
70%
Midmarket ($10M - $1B)
20%
Enterprise (>$1B)
10%
Certified in:
Mobile App Development

Pricing Snapshot

Min. project size $10,000+
Avg. hourly rate $100 - $149 /hr
Rating for cost 4.4 /5

What Clients Have Said

SemNexus offers competitive pricing, with projects ranging from $5,000 to $100,000. Clients appreciate their value for cost and effective results, particularly in app marketing and digital campaigns. Many noted strong ROI and responsive communication, though project management inconsistency was highlighted in some reviews.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 60 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

SemNexus Review Insights

Overall Review Rating

4.5
  • Quality 4.4
  • Schedule 4.5
  • Cost 4.4
  • Willing to Refer 4.5

Top Mentions

Review Highlights

  • App Development and Technical Support

    Clients appreciate SemNexus's ability to provide comprehensive app development and technical support, enhancing user experience and app functionality. Their technical expertise is a notable asset for clients.

  • Successful App Installations and User Engagement

    SemNexus has successfully driven app installations and user engagement for many clients, often exceeding initial goals. Their strategic approach to targeting and marketing has been effective in generating measurable outcomes.

  • Strong Expertise in Mobile App Marketing

    SemNexus consistently demonstrates expertise in mobile app marketing, helping clients increase downloads, improve app store rankings, and optimize marketing strategies. Clients appreciate their ability to deliver effective advertising campaigns across various platforms, including Google and social media.

  • Challenges with Deliverable Timeliness

    Some clients have reported delays in project deliverables, which affected their ability to implement changes effectively. Timeliness in delivering marketing strategies and materials is an area for improvement noted by clients.

  • Responsive and Communicative Team

    SemNexus is consistently commended for their communication skills and responsiveness. Clients value their regular updates, accessibility, and willingness to address concerns promptly, contributing to successful project management.

  • Cost-Effective Solutions for Startups

    SemNexus is praised for offering cost-effective solutions, particularly for startups with limited budgets. Their ability to deliver high-quality results at competitive prices is a significant advantage for small businesses.

SemNexus Reviews

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Digital Strategy, PPC & SMM for Mobile App Solutions Company

  • Digital Strategy Pay Per Click Social Media Marketing
  • Confidential
  • Sep. 2024 - Ongoing
4.5
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"The most impressive aspects were the strong results delivered by their campaigns."

Jul 7, 2025
Senior Marketing Manager, Ualett
Cinthya Baez
Verified
  • Financial services
  • Jersey City, New Jersey
  • 51-200 Employees
  • Online Review
  • Verified

SEM Nexus provides digital marketing services for a mobile app solutions company. The team's tasks include designing and producing ad creatives and building advertising campaigns for Meta and Google Ads.

Digital Mktg & Mobile App for Recruitment Event Organizer

  • Content Marketing Digital Strategy Mobile App Development
  • Less than $10,000
  • July 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They've exceeded our expectations at every step."

Dec 31, 2024
CEO, Menbita
Anouar Azelmat
Verified
  • Other industries
  • Paris, France
  • 1-10 Employees
  • Online Review
  • Verified

SEM Nexus provides digital marketing services for a recruitment event organizer. Their work focuses on creating lead generation campaigns, implementing GA4 on the client's website, and building a brokerage app.

App Development & Marketing for Insurance Company

  • Custom Software Development Insurance Services & Brokers Mobile & App Marketing
  • Confidential
  • July - Dec. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They exceeded expectations at every step."

Dec 30, 2024
Founder, Insurance Company
Anonymous
Verified
  • Insurance
  • New York City, New York
  • 51-200 Employees
  • Online Review
  • Verified

SEM Nexus provided app development and marketing services for an insurance company. The team created advertising campaigns to generate leads for the client and implemented GA4 tracking on their website.

Social Media & Mobile App Marketing & SEO for Fitness App

  • Mobile & App Marketing Search Engine Optimization Social Media Marketing
  • $10,000 to $49,999
  • Aug. - Dec. 2024
2.0
Quality
3.0
Schedule
1.0
Cost
1.0
Willing to Refer
2.0

"Their project management was not good."

Dec 11, 2024
Co-Founder, Fitness App
Preston Moore
Verified
  • Fitness
  • Phoenix, Arizona
  • 1-10 Employees
  • Online Review
  • Verified

A fitness app hired SEM Nexus to provide social media and mobile app marketing services. The team also created a marketing strategy, designed ad creatives, and conducted keyword research and a UX/UI audit.

Mobile App Dev, SEO, SMM & PPC for Mental Health Service

  • Mobile App Development Pay Per Click Search Engine Optimization Social Media Marketing
  • Health & Wellness Mobile App Development
    +3
  • $10,000 to $49,999
  • May 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their team always does what they say they’ll do."

Sep 23, 2024
Co-Founder, Co-Owner & CEO, Brisa Therapeutics
Jacqueline Rousselow
Verified
  • Other industries
  • Alpine, Texas
  • 1-10 Employees
  • Phone Interview
  • Verified

SEM Nexus is helping a mental health service develop and maintain their mobile app. They also manage the client’s SEO and run SMM and PPC campaigns across Facebook, Instagram, and Google.

Digital Marketing for Automotive Tech Company

  • Content Marketing Graphic Design Pay Per Click Social Media Marketing
  • Infographic Design
    +2
  • $50,000 to $199,999
  • Apr. 2023 - Ongoing
4.0
Quality
4.0
Schedule
3.5
Cost
5.0
Willing to Refer
4.0
"The team’s adeptness at budget management in relation to our app’s goals is remarkable."
Nov 21, 2023
Manager, ZF Group
Anonymous
Verified
  • Automotive
  • Miramar, Florida
  • 10,001+ Employees
  • Online Review
  • Verified

An automotive technology firm has hired SEM Nexus for their digital marketing services. The team's tasks range from mobile app marketing and content creation and moderation to SMM and PPC management.

App Dev & Maintenance for Music Promotion Tech Company

  • Mobile & App Marketing Mobile App Development
  • Angular
    +1
  • Confidential
  • Mar. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"SEM Nexus has exceptional technical talent and execution."

Oct 6, 2023
Co-Founder, Ultimate Playlist App
Shevy Smith
Verified
  • Arts, entertainment & music
  • Los Angeles, California
  • 1-10 Employees
  • Online Review
  • Verified

SEM Nexus provides development services for a music promotion technology firm. The team has optimized and maintained the client's existing app. They've also provided digital promotion services to the client. 

App Development & Mktg for Real Estate Platform

  • Mobile & App Marketing
  • $50,000 to $199,999
  • Mar. 2023 - Feb. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They seem genuinely excited about our project and are behind us 100% with our goals."

Jul 5, 2023
CEO, Cell My Listing
Kelly Clark
Verified
  • Real estate
  • Atlanta, Georgia
  • 1-10 Employees
  • Online Review
  • Verified

SEM Nexus has developed a mobile application for a real estate platform. The team is responsible for building a complex API and other elements of the app, as well as marketing the application.

Website Audit & SMM for E-Commerce Fine Jewelry Co

  • Advertising Ecommerce Marketing Social Media Marketing
  • $10,000 to $49,999
  • June 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They’re very knowledgeable on any topic we bring up."

Mar 27, 2023
Executive, E-Commerce Fine Jewelry Company
Anonymous
Verified
  • Retail
  • Great Neck, New York
  • 1-10 Employees
  • Online Review
  • Verified

SEM Nexus has done a website audit for an e-commerce jewelry company and set up Google Analytics. They run ad campaigns on Facebook and Google and use Smartlook and AdsCapsule to monitor users and campaigns.

Digital Marketing Services for Real Estate Firm

  • Advertising Mobile & App Marketing
  • Confidential
  • Aug. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"They're very efficient; they always deliver on time."

Mar 27, 2023
Principal Broker & Founder, Avenue Realty Advisors
Aaron Aziz
Verified
  • Real estate
  • Manhattan, New York
  • 11-50 Employees
  • Online Review
  • Verified

SEM Nexus provides ongoing digital marketing services for a real estate company. The team has created a marketing strategy, made a keyword research sheet, and set up a Google Ads campaign.

Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

Learn More
Verified Client Reviews
62
Overall Review Rating
4.5
Source
Clutch
Last Updated
May 4, 2026

Business Entity

Business Entity Name SEMNEXUS LLC
Source New York Secretary of State
Jurisdiction of Formation New York
Date of Formation February 26, 2018
Status Active
Last Updated December 3, 2021
ID 5293214

Credit Report Results

International Credit Risk Assessment Moderate Risk
Source Creditsafe
Last Updated December 3, 2021
Learn More About The Clutch Verification Process

Locations (1)

243 West 30th Street New YorkNY, United States 10001

16 - 20

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