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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

App Marketing & Optimization for Gig Management Company

Aug 06, 2026
The Project
Mobile & App Marketing
$50,000 to $199,999
June 2022 - Ongoing
Project Summary

SEM Nexus has helped a gig management company with their flagship app's pre-launch campaign, aiming to hit 5,000 downloads by the end of 2022. They did app store optimization, ads, and influencer marketing.

The Review

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

Feedback Summary

The app is now live on Google Play and App Store, reaching 8,450 downloads and 5,621 accounts created. Overall, the client is extremely happy with these success metrics, thanks to SEM Nexus. The team manages the engagement well through regular meetings. They're always available, polite, and honest.

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

Marilyn Major

CEO at Unison Workforce Technologies

Digital Strategy, PPC & SMM for Mobile App Solutions Company

Aug 06, 2026
The Project
Digital Strategy
Confidential
Sep. 2024 - Ongoing
Project Summary

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.

The Review

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

Feedback Summary

SEM Nexus has helped the client achieve a 50% increase in lead generation. The team delivers all campaign assets on time and holds weekly performance review meetings with the client. SEM Nexus is highly efficient in addressing the client's requests. The team's deep expertise is also remarkable.

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

Cinthya Baez

Senior Marketing Manager at Ualett

Digital Mktg & Mobile App for Recruitment Event Organizer

Aug 06, 2026
The Project
Content Marketing
Less than $10,000
July 2024 - Ongoing
Project Summary

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.

The Review

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

Feedback Summary

With SEM Nexus' help, the client has seen improvements in their lead quantity and quality; they've also entered a new market through the brokerage app. The team delivers on time and is very responsive to the client's needs. SEM Nexus' flexibility and innovative approach to marketing have stood out.

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

Anouar Azelmat

CEO at Menbita

App Development & Marketing for Insurance Company

Aug 06, 2026
The Project
Custom Software Development
Confidential
July - Dec. 2024
Project Summary

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.

The Review

"They exceeded expectations at every step."

Feedback Summary

SEM Nexus helped the client increase the quantity and quality of leads. The client also entered a new market by having their own brokerage app. SEM Nexus was flexible and showcased an innovative approach to marketing. The team was responsive to the client's needs via email and virtual meetings.

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

Anonymous

Founder at Insurance Company

Social Media & Mobile App Marketing & SEO for Fitness App

Aug 06, 2026
The Project
Mobile & App Marketing
$10,000 to $49,999
Aug. - Dec. 2024
Project Summary

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.

The Review

"Their project management was not good."

Feedback Summary

SEM Nexus failed to meet expectations and made several significant mistakes. The team delivered tasks late, demonstrating poor response times, communication skills, and unprofessional conduct. Their project manager failed to review several tasks, resulting in a soured engagement. This review includes the vendor's response.

2
Quality 3
Schedule 1
Cost 1
Use of AI 2
Willing to Refer 2
P
The Reviewer

Preston Moore

Co-Founder at Fitness App

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