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SemNexus

Premier Verified

Mobile App Experts | NYC AI App Developers

4.6
10 Reviews
Min. Project $10,000+
Hourly Rate $100 - $149 / hr
Employees 1-10
Locations New York, NY
Founded 2017
Languages English, Spanish, Arabic, French
About

Mobile App Experts | NYC AI App Developers

SemNexus focuses on building mobile applications that are powered by modern technologies, which includes AI. Based in New York, the team works with businesses in order to design & develop apps that support growth and improve user engagement. Their approach centers on combining technical expertise with practical product thinking to... Read More

"We are extremely pleased with the numbers and all measurable outcomes that SEM Nexus delivered."

Service Mix
Pricing

Pricing Snapshot

Min. Project $10,000+
Avg. Hourly $100 - $149 / hr
Cost Rating 4.6/5

What Clients Have Said

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

Projects

Most Common Project Size

$0 – $50,000

Based on 10 reviews

Compare

Where SemNexus Competes

SemNexus is listed in 2 categories on 10Firms. Browse each category to see how it ranks against other verified providers, or view its packages and pricing.

Reviews

SemNexus Client Reviews

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

Aug 06, 2026
The Project
Mobile App Development
$10,000 to $49,999
May 2024 - Ongoing
Project Summary

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.

The Review

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

Feedback Summary

With SEM Nexus' help, the client has seen a massive increase in app downloads, from 200 to over 5,000. What stands out about the team is their ability to follow through on their promises consistently. Also, their responsiveness, personable attitude, and professionalism make them a joy to work with.

5
Quality 5
Schedule 5
Cost 5
Use of AI 5
Willing to Refer 5
J
The Reviewer

Jacqueline Rousselow

Co-Founder at Co-Owner & CEO, Brisa Therapeutics

Digital Marketing for Automotive Tech Company

Aug 06, 2026
The Project
Content Marketing
$50,000 to $199,999
Apr. 2023 - Ongoing
Project Summary

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.

The Review

"The team's adeptness at budget management in relation to our app's goals is remarkable."

Feedback Summary

With SEM Nexus' help, the client has exceeded their app download goals by 5x; their CPI rate is below the industry average as well. The team has impressed the client with their ability to produce effective campaigns at a budget-friendly price. Also, the assigned campaign manager has been reliable.

4
Quality 4
Schedule 4
Cost 5
Use of AI 4
Willing to Refer 4
A
The Reviewer

Anonymous

Manager at ZF Group

App Dev & Maintenance for Music Promotion Tech Company

Aug 06, 2026
The Project
Mobile & App Marketing
Confidential
Mar. 2023 - Ongoing
Project Summary

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.

The Review

"SEM Nexus has exceptional technical talent and execution."

Feedback Summary

The client praises the SEM Nexus' development services. The team has been truly hands-on in the engagement, leveraging their technical expertise to deliver results to the client. Moreover, they've been highly professional as they implement proactive measures to fully improve the client's product.

5
Quality 5
Schedule 5
Cost 5
Use of AI 5
Willing to Refer 5
S
The Reviewer

Shevy Smith

Co-Founder at Ultimate Playlist App

App Development & Mktg for Real Estate Platform

Aug 06, 2026
The Project
Mobile & App Marketing
$50,000 to $199,999
Mar. 2023 - Feb. 2024
Project Summary

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.

The Review

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

Feedback Summary

The client is satisfied with SEM Nexus' work and performance. The team consistently delivers what they promise, and they maintain a high level of communication. Moreover, they're honest, helpful, and responsive. They're always happy to answer questions and go beyond their scope of expertise.

5
Quality 5
Schedule 5
Cost 5
Use of AI 5
Willing to Refer 5
K
The Reviewer

Kelly Clark

CEO at Cell My Listing

Website Audit & SMM for E-Commerce Fine Jewelry Co

Aug 06, 2026
The Project
Advertising
$10,000 to $49,999
June 2022 - Ongoing
Project Summary

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.

The Review

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

Feedback Summary

Thanks to SEM Nexus' efforts, the client has seen an upward trend in sales and more traffic on their website. The team is responsive and communicative through weekly email updates and meetings. They're also organized and timely, and their expertise and ability to find answers stand out.

5
Quality 5
Schedule 5
Cost 5
Use of AI 5
Willing to Refer 5
A
The Reviewer

Anonymous

Executive at E-Commerce Fine Jewelry Company

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