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Kali Linux vs Ubuntu Linux comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 25, 2026

Review summaries and opinions

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

ROI

Sentiment score
6.2
Kali Linux improves vulnerability testing, offering cost-effective security benefits through AWS deployment and open-source tools for businesses.
Sentiment score
6.9
Ubuntu Linux offers cost savings and high ROI by eliminating paid licenses, extending equipment life, and enhancing performance.
Integrating Kali Linux with DevOps tools has resulted in reduced operational costs due to automated test cases, making it a worthwhile investment with significant returns by decreasing the attack surface area and the frequency of attack incidents.
SWE-1 at a tech vendor with 10,001+ employees
If we had installed it on-premises or through other means, it would have incurred significant money and effort to create the VMs, deploy it on machines, and then delete and format it after use.
Cloud Security Architect at a tech services company with 10,001+ employees
I have saved time by avoiding the lag I sometimes face on the TryHackMe in-built machine, and I have learned more efficiently.
Associate Consultant at a consultancy with 10,001+ employees
 

Customer Service

Sentiment score
5.2
Kali Linux provides strong community support and documentation but lacks direct customer support, relying on user self-research.
Sentiment score
6.5
Users primarily rely on community forums for Ubuntu support, appreciating the proactive and comprehensive help for troubleshooting issues.
Since most of the tools and other things are community-based, the documentation and other community support are very good.
Cloud Security Architect at a tech services company with 10,001+ employees
I was able to solve the problems I was experiencing.
Product security engineer at a tech vendor with 10,001+ employees
They responded well, understood that the issue was not on my end, and provided a patch within two days.
Manging Director at Winworth UK
The community around Ubuntu Linux is beneficial, providing answers to questions and assisting with issues.
Bachelor of Engineering at Vaasan ammattikorkeakoulu VAMK University of Applied Sciences
Ubuntu Linux has a comprehensive knowledge base for self-help.
Techincal Support Engineer at Ibits Tech Solutions
 

Scalability Issues

Sentiment score
7.5
Users find Kali Linux scalable and flexible, supporting diverse platforms, ideal for penetration testing and educational purposes.
Sentiment score
7.2
Ubuntu Linux effectively scales across environments, praised for reliability and adaptability with tools like containers and Kubernetes.
You can use it on cloud, VPS, and on-premises.
Security Researcher at a consultancy with 10,001+ employees
I would describe Kali Linux's scalability as very scalable because I can deploy it on a range of different machines, whether that is my laptop or using maybe Raspberry Pi or Android.
Enterprise Cloud Operations Lead at a tech vendor with 10,001+ employees
Regarding the scalability of Kali Linux for my work and projects, whenever I was conducting brute force attacks and provided more than two or three million lines of payload, the system would freeze.
Product security engineer at a tech vendor with 10,001+ employees
In a server environment, it can seamlessly adapt to increased customer demand.
Bachelor of Engineering at Vaasan ammattikorkeakoulu VAMK University of Applied Sciences
Any Linux is scalable in terms of capacity, and on a day-to-day basis, we use scalability options with the help of Kubernetes clusters.
Associate Cloud Operations Engineer at a tech vendor with 1,001-5,000 employees
So far, I do not have any issues related to security in Ubuntu Linux.
System Administrator at mmcytech
 

Stability Issues

Sentiment score
8.0
Kali Linux is praised for stability and dependability, recommended for virtualization, with occasional issues resolved using older versions.
Sentiment score
7.8
Ubuntu Linux is praised for its high stability and reliability, especially LTS versions, in development and server management.
Due to the huge user base that uses it, it is kept up to date regularly.
Enterprise Cloud Operations Lead at a tech vendor with 10,001+ employees
Kali Linux is stable for my use cases, though not the latest version.
Product security engineer at a tech vendor with 10,001+ employees
Kali Linux is very stable for my needs.
Consultant at Cognizant
The system has been completely stable, which makes it deserve a perfect score.
BA at a computer software company with 11-50 employees
Ubuntu Linux is extremely stable and maintains uptime effectively.
Manging Director at Winworth UK
Ubuntu Linux is generally stable, though there can be occasional issues with new hardware integration.
Bachelor of Engineering at Vaasan ammattikorkeakoulu VAMK University of Applied Sciences
 

Room For Improvement

Kali Linux users seek better automation, UI, security, and support, with improved installation, hardware detection, and beginner-friendly resources.
Ubuntu Linux requires enhanced software compatibility, user interface, documentation, hardware integration, marketing, and improved update and firewall systems.
If real-time customized port scanning can be added, for example, instead of a default port such as 8080 or 443, if we can use a customized port such as 9876, that capability would be great.
Senior Technical Manager at a tech vendor with 10,001+ employees
I face significant challenges with Kali Linux regarding a major issue with the Grub loader becoming corrupted, which makes it very difficult to recover data.
Senior Solution Architect & Delivery Lead at a tech services company with 10,001+ employees
If there were video courses attached to how to safely use it, especially for absolute beginners with no previous experience using Linux operating systems, I think that could be very useful.
Enterprise Cloud Operations Lead at a tech vendor with 10,001+ employees
There is a push towards integrating AI into software for various purposes like video and sound processing.
Manging Director at Winworth UK
Stability issues occur when integrating new components due to physical or technical challenges.
Bachelor of Engineering at Vaasan ammattikorkeakoulu VAMK University of Applied Sciences
Unlike CentOS, Ubuntu Linux lacks an easily accessible inbuilt repository where dependencies or packages are easily found.
Techincal Support Engineer at Ibits Tech Solutions
 

Setup Cost

Kali Linux is a cost-effective, open-source solution for enterprises seeking a comprehensive operating system with no licensing costs.
Ubuntu Linux is favored by enterprises for its cost-effectiveness, flexibility, and optional support services, enhancing affordability.
Kali Linux is free software, an operating system that's available to download without any cost or licensing fees.
Associate Consultant at a consultancy with 10,001+ employees
I simply create a VM, so there are no costs involved.
Senior Solution Architect & Delivery Lead at a tech services company with 10,001+ employees
My experience with pricing, setup costs, and licensing for Kali Linux has been positive, as it operates under an open-source model.
SWE-1 at a tech vendor with 10,001+ employees
For an enterprise-wide scalable operating system with professional services, you can select Ubuntu Linux at a reasonable price.
Owner at a computer software company with 1-10 employees
The setup cost is free.
Head of mission at CapHornier
Ubuntu Linux is open-source, leading to cost savings through its free availability.
Bachelor of Engineering at Vaasan ammattikorkeakoulu VAMK University of Applied Sciences
 

Valuable Features

Kali Linux is favored for its pre-installed security tools, user-friendly design, and customizable features for efficient cybersecurity tasks.
Ubuntu Linux impresses with security, speed, and flexibility, offering stability, customization, and robust package management for diverse applications.
Kali Linux has positively impacted my organization by improving efficiency in penetration testing; its open-source nature permits extensive customization and inclusion of numerous comprehensive pre-installed tools, contributing to a secure network environment with effective monitoring of network applications.
SWE-1 at a tech vendor with 10,001+ employees
A unique and really helpful feature of Kali Linux, compared to other operating systems, is that many of the offensive security tools are already pre-configured and pre-installed.
Product security engineer at a tech vendor with 10,001+ employees
Kali Linux positively impacts my organization by allowing us to monitor changes and security posture for the company.
Consultant at Cognizant
Ubuntu Linux's open-source nature supports community contributions, bolstering its development and support ecosystem.
Bachelor of Engineering at Vaasan ammattikorkeakoulu VAMK University of Applied Sciences
Ubuntu Linux supports remote troubleshooting via SSH, allowing connection from anywhere, which is beneficial for troubleshooting server issues.
Techincal Support Engineer at Ibits Tech Solutions
In terms of security, I am satisfied with Ubuntu Linux and I can rely on its security features more than I can with Windows.
Solution Architect at TB
 

Categories and Ranking

Kali Linux
Ranking in Operating Systems (OS) for Business
10th
Average Rating
8.6
Reviews Sentiment
6.9
Number of Reviews
26
Ranking in other categories
No ranking in other categories
Ubuntu Linux
Ranking in Operating Systems (OS) for Business
3rd
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
150
Ranking in other categories
OpenStack (1st)
 

Mindshare comparison

As of January 2026, in the Operating Systems (OS) for Business category, the mindshare of Kali Linux is 3.2%, up from 1.5% compared to the previous year. The mindshare of Ubuntu Linux is 9.4%, down from 15.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Operating Systems (OS) for Business Market Share Distribution
ProductMarket Share (%)
Ubuntu Linux9.4%
Kali Linux3.2%
Other87.4%
Operating Systems (OS) for Business
 

Featured Reviews

Ciyagi Ciyagi - PeerSpot reviewer
Senior Solution Architect & Delivery Lead at a tech services company with 10,001+ employees
Runs efficiently across devices and streamlines penetration testing workflows
Kali Linux could be improved by including more tools. I would personally like to see improvements in Kali Linux, particularly regarding Grub issues that sometimes occur when installing the VM. Additionally, I have experienced problems when updating Kali Linux from a higher version to a lower version, which resulted in crashes. These Grub issues should be resolved. I face significant challenges with Kali Linux regarding a major issue with the Grub loader becoming corrupted, which makes it very difficult to recover data.
Salim Ahmed - PeerSpot reviewer
System Administrator at mmcytech
Has supported secure application hosting and reliable server management
I find the GUI to be good in Ubuntu Linux, and I appreciate the open SSH. The fact that it is free since it is open and open-source is why I appreciate it and feel it is secured. We have multiple different kinds of support related to Ubuntu Linux, including official support and other options. I am currently using laptops, desktops, and servers, and Ubuntu Linux supports all these devices. If I need it for Raspberry Pi or something similar, I can download another Linux distribution. Ubuntu Linux is scalable, especially for servers. We prefer using Ubuntu Linux Servers rather than Windows. The biggest advantage of Ubuntu Linux for me is that it is open-source, secured, and scalable.
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Top Industries

By visitors reading reviews
University
14%
Comms Service Provider
13%
Educational Organization
11%
Computer Software Company
10%
Comms Service Provider
11%
University
10%
Computer Software Company
10%
Educational Organization
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business10
Midsize Enterprise2
Large Enterprise16
By reviewers
Company SizeCount
Small Business84
Midsize Enterprise21
Large Enterprise53
 

Questions from the Community

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?
My experience with pricing, setup cost, and licensing for Kali Linux has been that it was free to use.
What needs improvement with Kali Linux?
I think Kali Linux is good, but there is a widespread misunderstanding related to Kali Linux because many people believe Kali Linux is a tool for hackers and that anything can be hacked using it. T...
Which would you choose - Ubuntu Linux or Oracle Linux?
Ubunto Linux is a complete Linux operating system that is freely available with both community and professional support. This solution is suitable for both desktop and server use. It has a very app...
What do you like most about Ubuntu Linux?
It has a good support system for loading databases.
What is your experience regarding pricing and costs for Ubuntu Linux?
My experience with the pricing for Ubuntu Linux is that I always use the free version, so I never paid for any installations or support.
 

Comparisons

 

Also Known As

No data available
Ubuntu
 

Overview

 

Sample Customers

Information Not Available
Samsung, eBay, AT&T, Walmart, Cisco, Time Warner Cable, Bloomberg, Best Buy, Dell, Intel, Microsoft, Ericsson, Orange, Wells Fargo
Find out what your peers are saying about Kali Linux vs. Ubuntu Linux and other solutions. Updated: December 2025.
881,082 professionals have used our research since 2012.