<$5,000
<$20 / hr
250 - 999
Startups
India, Bangalore
2012
Within 1 week
Software Development Company

CronJ is a leading React JS Development Company based in the USA, Bangalore, India, New York, UK developing and offering the best platform for ReactJS development services. We have a professional and committed ReactJS and software development team that can build and meet your business needs.

Software Development Company

Techreviewer rating

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4.8

Client review platforms

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

4.9
(15 reviews)Clutch
3.5
(17 reviews)Google

AI Overview

Powered bytechreviewer AI
This company performance overview is based on AI analysis of 15 client reviews across 1 review platform. Read more about our methodology.
Last updated: April 2026

Performance snapshot

Cronj (CronJ IT Technologies) is an India-based custom software and mobile app development firm with a consistent track record across logistics, supply chain, pharma, and energy sectors. Across 15 reviews on a single platform, the vendor earns predominantly strong ratings, with technical delivery, communication, and client outcomes standing out as recurring strengths. One schedule sub-rating of 3.5 represents the only notable concern in an otherwise uniform body of positive feedback. All reviews predate mid-2022, which limits the currency of the evidence base.

Performance breakdown

Technical expertise
Strong

Multiple reviews reference specific technologies including React.js, React Native, Node.js, MERN stack, IoT, AI, and cloud hosting. Projects span complex domains such as cold chain IoT systems, COVID testing platforms, and cross-platform e-commerce apps, demonstrating consistent use of modern tooling.

Project management & delivery
Mixed

Agile methodology and Jira usage are cited across multiple reviews, and most schedule sub-ratings are 5.0. However, one review records a schedule sub-rating of 3.5, introducing a notable exception to an otherwise strong delivery pattern.

Communication & collaboration
Strong

Clients across geographies including the UAE, the US, and India consistently highlight regular updates, transparency, and responsiveness despite time-zone differences. Frequent milestone demonstrations and Jira-based progress visibility reinforce a strong collaborative posture.

Reliability
Strong

Reviewers describe coordinated bug-fixing, consistent milestone tracking, and on-time delivery across multiple engagements. An oil and gas client specifically noted the team's ability to handle complex situations professionally and resolve emerging issues reliably.

Client satisfaction & outcomes
Strong

Quantified outcomes appear across multiple reviews: fuel costs reduced by 30%, consumption rates increased by 73%, and manual HR processes reduced by 92%. Revenue growth and streamlined production are also cited, confirming tangible business value delivered consistently.

Best for

Cronj is best suited for mid-market and enterprise clients in logistics, supply chain, pharma, and energy seeking cost-effective custom software, IoT, or mobile app development with agile delivery and measurable operational outcomes.

Clients info

Cronj's client base spans logistics, supply chain, energy and natural resources, pharmaceuticals, education, and food tech. Engagements range from small startups (1–10 employees) to large enterprises (10,001+ employees), with most projects budgeted between $10,000 and $49,999, and a smaller share below $10,000. Primary industries represented include Logistics & Supply Chain, Energy & Natural Resources, Pharmaceuticals, Education, Food Technology, IT Services. Typical client size bands include 1–10 Employees, 51–200 Employees, 501–1,000 Employees, 1,001–5,000 Employees, 5,001–10,000 Employees, 10,001+ Employees. Common project budget ranges include Less than $10,000, $10,000 to $49,999.

Review strength

Assessment is based on 15 reviews drawn from a single platform. All reviews were published between June 2019 and August 2021, meaning the most recent review is approximately three to four years old. The absence of post-2022 data significantly limits confidence in the current state of vendor performance. Review date range: Jun 29, 2019 - Aug 5, 2021.

Performance breakdown

Technical expertise
Strong

Multiple reviews reference specific technologies including React.js, React Native, Node.js, MERN stack, IoT, AI, and cloud hosting. Projects span complex domains such as cold chain IoT systems, COVID testing platforms, and cross-platform e-commerce apps, demonstrating consistent use of modern tooling.

Project management & delivery
Mixed

Agile methodology and Jira usage are cited across multiple reviews, and most schedule sub-ratings are 5.0. However, one review records a schedule sub-rating of 3.5, introducing a notable exception to an otherwise strong delivery pattern.

Communication & collaboration
Strong

Clients across geographies including the UAE, the US, and India consistently highlight regular updates, transparency, and responsiveness despite time-zone differences. Frequent milestone demonstrations and Jira-based progress visibility reinforce a strong collaborative posture.

Reliability
Strong

Reviewers describe coordinated bug-fixing, consistent milestone tracking, and on-time delivery across multiple engagements. An oil and gas client specifically noted the team's ability to handle complex situations professionally and resolve emerging issues reliably.

Client satisfaction & outcomes
Strong

Quantified outcomes appear across multiple reviews: fuel costs reduced by 30%, consumption rates increased by 73%, and manual HR processes reduced by 92%. Revenue growth and streamlined production are also cited, confirming tangible business value delivered consistently.

Location and contacts

India, Bangalore
#1084, 14th Main, 17th Cross, HSR Layout, Sector 3
560102
+7 093 70-5145

Major clients

Vedantu
USA Today