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CentOS vs Kali Linux comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Aug 3, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

CentOS
Ranking in Operating Systems (OS) for Business
9th
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
69
Ranking in other categories
No ranking in other categories
Kali Linux
Ranking in Operating Systems (OS) for Business
11th
Average Rating
8.6
Reviews Sentiment
7.2
Number of Reviews
16
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the Operating Systems (OS) for Business category, the mindshare of CentOS is 4.5%, down from 7.6% compared to the previous year. The mindshare of Kali Linux is 3.0%, up from 0.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Operating Systems (OS) for Business Market Share Distribution
ProductMarket Share (%)
CentOS4.5%
Kali Linux3.0%
Other92.5%
Operating Systems (OS) for Business
 

Featured Reviews

Mahender Nirwan - PeerSpot reviewer
In-depth documentation available and command-line utility works well
One issue I recently faced, but I think it was due to my IT support guys, was that when the server storage gets full, the service crashes. It's very difficult to regain access and stability in that situation. That could be improved. So, the stability might be improved. But I don't think it's a CentOS-level issue. The system administrators need to come up with a solution for that, but I don't think it's CentOS's fault. I haven't done any research [R&D] on this issue. There's one thing for sure. We recently migrated from CentOS 7 to CentOS 9, and it was a bit difficult. For example, updating Windows is simple; you just download it, and it takes about 15-20 minutes. But that's not the case with migrating from CentOS 7 to 9. We had to back up the entire server, launch a new server, and then restore the backup to the new server. We couldn't directly migrate. I think that was a bit of a problem. The setup and updates are not that new in CentOS.
Aditya Pillai - PeerSpot reviewer
Has helped me learn penetration testing through hands-on tasks and faster workflows
It would be helpful if Kali Linux could be involved in more systems or laptops. Windows is a standard for many laptops and comes pre-installed on many devices available in the market. If Kali Linux could do the same and increase their reach to better areas, it would be beneficial. They could improve Kali Linux's UI/UX. They have been following a standard UI/UX. They could add more options, similar to how CachyOS distro of Arch Linux has many different UI options to select from. Making Kali Linux more customizable would allow users to personalize it to their style. Many users utilize Kali Linux through virtual machines. Sometimes Kali Linux has issues detecting hardware such as inbuilt or external Wi-Fi adapters. Improving device detection would be beneficial.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"If I need to install a feature or fix a server issue, I can easily find answers online. The CentOS community is also vast and helpful."
"Its performance is most valuable. There is a performance boost as compared to when the applications are run on Windows OS."
"You can work with the UI or in command line, if you prefer."
"It's a good and stable system. It provides everything you need for web servers and database servers."
"The product's initial setup phase is very straightforward."
"The product is based on Red Hat and very stable."
"The most valuable feature of this solution is that it is free."
"The product offers a free community-based version."
"We use the product for open-source intelligence and identifying vulnerabilities."
"Additionally, it now includes comprehensive migration analytics and reporting capabilities."
"Kali Linux is much better than other OS because it gives you a good set of tools. It is preferred for vulnerability assessments and cybersecurity."
"The solution's most valuable feature is that it is very easy to use."
"The tools available in Kali Linux are incredibly effective for conducting security assessments."
"Kali Linux has helped me learn faster and understand concepts better; you get a sense of appreciation when completing tasks on your own machine without help or hints from available tools or operating systems, with minimal guidance."
"The outcomes from using Kali Linux in our organization are significant; we experienced reduced cybersecurity attacks and improved application security, leading to decreased attack surfaces and quicker testing cycles that enabled faster launches and installations."
"The most effective features of Kali Linux include its stability as a Linux operating system, its flexibility in configuring resources such as partitions, its powerful and stable file system, and its multi-user capability, which allows for setting user privileges and rights. Additionally, Kali Linux provides access to a wide range of free and open-source applications for testing and development purposes."
 

Cons

"As an open-source solution, there isn't much technical support."
"Updates are going to a streaming version."
"I would like to see more frequent updates."
"If CentOS could add Office features then that would be beneficial. Additionally, the UI could improve."
"When comparing the GUI of CentOS to Microsoft Windows or Mac, it could improve."
"In terms of commands, it's all CLI and there isn't any GUI which can make it challenging to use for some people."
"The support could be a bit better."
"CentOS could be improved by being more secure. Of course, we use a firewall, but security is always a concern."
"From an improvement perspective, it should be made possible for users to learn about the product easily."
"I would like for them to offer more features for the free version in order for users to test them in their internal environment before purchasing."
"Unfortunately, my current tool runs on Windows 10, and its use is restricted to enterprise versions. Integrating this tool or similar functionalities into Kali Linux for non-enterprise users would be incredibly valuable."
"The tool is slightly difficult to learn."
"There are areas for improvement in Kali Linux, particularly regarding its use of the Linux kernel, which requires external additional patching, and the fact that network services are disabled by default, which complicates usage; enhancing user-friendliness through more GUI-based tools and better integration could be beneficial."
"There can be some lagging issues because the product gets stuck at times, making it an area of concern where improvements are required."
"The tool is already stable and well-developed, so there's minimal feedback for enhancement or change. However, it should improve security, which is crucial, especially with the increasing use of Kali Linux in cloud environments."
"Many users utilize Kali Linux through virtual machines. Sometimes Kali Linux has issues detecting hardware such as inbuilt or external Wi-Fi adapters."
 

Pricing and Cost Advice

"The price could be better. The cost depends on how the organization or a specific person licenses it. If you want the free version, there's Ubuntu which is supported by forums. You can pay for the license yearly or pay for a specific version."
"CentOS is a free solution."
"There is no price or licensing required — it's open-source."
"We have a CentOS license that we pay for on a yearly basis."
"The solution is not subscription-based, unlike Red Hat."
"CentOS is an open source that is free of cost."
"This is an open-source solution, so there are no licensing costs involved."
"It's free."
"Kali Linux is open source."
"The tool is open-source."
"The licensing fee is expensive compared to other products."
"Kali Linux is a free product, and you don't have to pay for a license."
"Kali Linux offers a perpetual license, meaning you pay for it once and can use it. While free versions of Linux are available, Kali Linux, being an enterprise edition, usually comes with a perpetual license. I rate its pricing a five out of ten."
"It is an open-source tool."
"I use it free of charge."
"I have used the free version."
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Comparison Review

it_user281973 - PeerSpot reviewer
Aug 24, 2017
It's improved our company's system environments that run Oracle databases.
Red Hat is mission critical to our environment Red Hat has improved the mission critical environments running Oracle databases, while CentOS has improved our web environment and MySQL. Oracle and SAP Environment and all HPC environments. 10 years No issues Very stable i don´t find any problem…
 

Top Industries

By visitors reading reviews
Computer Software Company
15%
Manufacturing Company
8%
Comms Service Provider
8%
Educational Organization
7%
Comms Service Provider
13%
University
13%
Computer Software Company
12%
Educational Organization
11%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business29
Midsize Enterprise19
Large Enterprise23
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise1
Large Enterprise7
 

Questions from the Community

Which would you choose - RHEL (Red Hat Enterprise Linux) or CentOS?
Red Hat Enterprise Linux is fantastic. It is an inexpensive solution that has excellent security, performance, and stability, and also lots of features. I specifically like that the solution has fe...
What do you like most about CentOS?
CentOS is very easy to use, and all the commands are user-friendly.
What is your experience regarding pricing and costs for CentOS?
CentOS is a free product with free updates. There are third-party companies available for support, but they charge varying amounts for their services.
What do you like most about Kali Linux?
I use the tool with Nmap to perform network audits. We use it to find vulnerabilities in our network through attacks. It's for those who want to launch or create viruses or perform attacks on syste...
What is your experience regarding pricing and costs for Kali Linux?
Kali Linux offers a perpetual license, meaning you pay for it once and can use it. While free versions of Linux are available, Kali Linux, being an enterprise edition, usually comes with a perpetua...
What needs improvement with Kali Linux?
We don't know if Kali Linux has the port scanning capability yet, but that is an area of improvement because we are working with DMZ zones and customized ports. If we can add featured customized po...
 

Comparisons

 

Also Known As

CentOS 7 (x86_64) - with Updates HVM
No data available
 

Overview

Find out what your peers are saying about CentOS vs. Kali Linux and other solutions. Updated: September 2025.
869,089 professionals have used our research since 2012.