<$5,000
$20 - $29 / hr
10 - 49
Enterprise
United States, Brooklyn
2017
Within 1 week

21Twelve Interactive offers cutting-edge digital solutions, specializing in web design, development, and digital marketing. We craft bespoke, user-centric experiences to drive engagement and growth for businesses of all sizes. Discover how our innovative strategies and technical expertise can elevate your online presence. Partner with us to turn your vision into reality and stay ahead in the digital landscape.

Techreviewer Score

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5.0

Client review platforms

The company's reputation is reflected through ratings and reviews from different review websites:

4.9
(34 reviews)Clutch
3.5
(4 reviews)Google

AI Overview

Powered bytechreviewer AI
This company performance overview is based on AI analysis of 34 client reviews across 2 different review platforms. Read more about our methodology.
Last updated: October 2026

Performance snapshot

21Twelve Interactive presents a consistently high-performing profile across a broad service portfolio spanning mobile app development, web development, UX/UI design, SEO, AR/VR, and custom software. The overwhelming majority of reviewed engagements yield perfect sub-metric scores across quality, schedule, cost, and willingness to refer, with measurable client outcomes reported across multiple industries. A small number of older reviews note occasional difficulties grasping specific requirements and minor scheduling delays, introducing marginal concerns. Overall, the vendor demonstrates a stable, reliable delivery record with strong client retention signals.

Performance breakdown

Technical expertise
Strong

Multiple reviews confirm proficiency across React Native, Flutter, AR/VR, AI integration, real-time data sync, EHR systems, and CRM development. A gaming client noted enhanced performance and cross-platform compatibility, while a data platform client highlighted successful API integration and real-time alerting capabilities.

Project management & delivery
Strong

Agile methodologies and milestone-driven delivery are consistently cited across engagements from 2024. One startup accelerator reported continuous on-schedule delivery, and a manufacturing client noted structured timelines with regular milestone updates. Two older reviews (2017) mention occasional delays, but these are not reflected in recent work.

Communication & collaboration
Strong

Clients across multiple industries commend proactive communication via email and messaging apps, regular progress reports, and responsiveness to evolving requirements. A 2021 review noted occasional challenges grasping specific requirements, but this is an isolated and dated concern not echoed in 2024 reviews.

Reliability
Strong

Stable post-launch product quality is evidenced across healthcare, fintech, and hospitality engagements, with post-launch support explicitly mentioned in multiple reviews. A mobile app for an IT services company was cited as stable upon delivery with positive user feedback, and a hospitality app reduced operational costs while sustaining guest satisfaction.

Client satisfaction & outcomes
Strong

Quantified outcomes are reported across numerous engagements: 30% increase in mobile traffic engagement, 90% user retention, 15–20% monthly site traffic growth, and measurable reductions in manual ordering errors. All 2024 Clutch sub-metric scores are 5.0 across quality, schedule, cost, and willingness to refer.

Best for

21Twelve Interactive is best suited for SMBs and mid-market companies seeking end-to-end mobile app development, custom software, or web development with embedded UX/UI design. Their track record spans fintech, real estate, gaming, hospitality, and marketing sectors.

Clients info

21Twelve Interactive serves a diverse client base including financial services, advertising and marketing, gaming, real estate, hospitality, manufacturing, and information technology. Clients are predominantly SMBs and mid-market companies ranging from 11 to 500 employees, with a smaller number of early-stage or micro-firms. Project budgets are largely concentrated in the under $10,000 and $10,000–$49,999 ranges, indicating a cost-accessible positioning for growth-stage and established mid-market buyers. Primary industries represented include Financial Services, Advertising & Marketing, Gaming, Real Estate, Hospitality & Leisure, Information Technology, Manufacturing. Typical client size bands include 1–10 Employees, 11–50 Employees, 51–200 Employees, 201–500 Employees. Common project budget ranges include Less than $10,000, $10,000 to $49,999.

Review strength

34 valid reviews were analyzed across two platforms. The majority are recent, spanning March to October 2024, which strongly supports the relevance of findings. One review was discarded as it was an unrelated Google Maps complaint with no bearing on vendor performance. A cluster of 11 older reviews from 2017 and one from 2021 remain on record but carry reduced weight given the recency of more detailed 2024 submissions. Review date range: 2017-03-21 - 2024-10-24.

Performance breakdown

Technical expertise
Strong

Multiple reviews confirm proficiency across React Native, Flutter, AR/VR, AI integration, real-time data sync, EHR systems, and CRM development. A gaming client noted enhanced performance and cross-platform compatibility, while a data platform client highlighted successful API integration and real-time alerting capabilities.

Project management & delivery
Strong

Agile methodologies and milestone-driven delivery are consistently cited across engagements from 2024. One startup accelerator reported continuous on-schedule delivery, and a manufacturing client noted structured timelines with regular milestone updates. Two older reviews (2017) mention occasional delays, but these are not reflected in recent work.

Communication & collaboration
Strong

Clients across multiple industries commend proactive communication via email and messaging apps, regular progress reports, and responsiveness to evolving requirements. A 2021 review noted occasional challenges grasping specific requirements, but this is an isolated and dated concern not echoed in 2024 reviews.

Reliability
Strong

Stable post-launch product quality is evidenced across healthcare, fintech, and hospitality engagements, with post-launch support explicitly mentioned in multiple reviews. A mobile app for an IT services company was cited as stable upon delivery with positive user feedback, and a hospitality app reduced operational costs while sustaining guest satisfaction.

Client satisfaction & outcomes
Strong

Quantified outcomes are reported across numerous engagements: 30% increase in mobile traffic engagement, 90% user retention, 15–20% monthly site traffic growth, and measurable reductions in manual ordering errors. All 2024 Clutch sub-metric scores are 5.0 across quality, schedule, cost, and willingness to refer.

Location and contacts

United States, Brooklyn
1047 74th Street
11228
+34 761 410 02

Major clients

Prospuh