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Checkmk vs Nagios XI comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Aug 6, 2024

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

Checkmk
Ranking in Network Monitoring Software
16th
Ranking in Server Monitoring
10th
Ranking in IT Infrastructure Monitoring
27th
Ranking in Cloud Monitoring Software
17th
Average Rating
8.4
Reviews Sentiment
7.3
Number of Reviews
9
Ranking in other categories
No ranking in other categories
Nagios XI
Ranking in Network Monitoring Software
15th
Ranking in Server Monitoring
9th
Ranking in IT Infrastructure Monitoring
16th
Ranking in Cloud Monitoring Software
21st
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
58
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2026, in the IT Infrastructure Monitoring category, the mindshare of Checkmk is 1.9%, down from 4.3% compared to the previous year. The mindshare of Nagios XI is 3.5%, down from 3.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
IT Infrastructure Monitoring Mindshare Distribution
ProductMindshare (%)
Nagios XI3.5%
Checkmk1.9%
Other94.6%
IT Infrastructure Monitoring
 

Featured Reviews

reviewer1704309 - PeerSpot reviewer
IT Administrator at a construction company with 201-500 employees
Utilizing data monitoring capabilities and scripting potential to optimize system management
I frequently program functions with PowerShell, and although Bash could be used, my specialization is in PowerShell. Two of us focus on programming in PowerShell for infrastructure optimization. I set up a dedicated server to run scripts every hour, generating files for Checkmk output. However, Checkmk does not allow running scripts at varying intervals. I am working on this in the raw version of Checkmk.
Emmanuel Appiah Boateng - PeerSpot reviewer
Network and Security Engineer at a educational organization with 1,001-5,000 employees
Simplifies setup and requires user interface enhancement
Nagios XI is easy to install, which sets it apart from other open-source solutions I've tried. Typically, setting up a monitoring system on Linux involves cloning files from GitHub, building it, and installing many dependencies, but with Nagios XI, it wasn't like that. Nagios XI simplifies our setup and reduces the time spent configuring monitoring tools.

Quotes from Members

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

Pros

"The alerting system in Checkmk really works properly."
"Checkmk helps me compare data and foresee issues."
"It's versatile, scalable, and easier to use compared to other solutions like Nagios and OMD."
"We can monitor multiple sites using the product."
"The most valuable feature of the solution is that it has a lot of different pieces, and they all work together...It is a very scalable solution. Scalability-wise, I rate the solution a ten out of ten."
"Checkmk was built on a platform that was user-friendly, and I could build my charts easily."
"I really like the auto-discovery feature."
"The most valuable features of Checkmk are its resource monitoring, infra monitoring, and log factor configuration."
"Nagios XI is an outstanding network Monitoring tool, which can be tweaked to suit any environment and it is a good solution for business looking for remarkable features at zero cost."
"The most valuable feature is its support for different types of devices, where it can use all of the equipment that you need."
"The most useful aspect of this solution is the ability to customize it for the client agent."
"If you are a mid-sied company with an eye on expansion, this solution is very good."
"Nagios XI is stable."
"It has a wide variety of plugins in existence, but when there's no plugin available it is quite simple to integrate one's own programs and scripts."
"Nagios is an open source monitoring tool for monitoring network services, with easy installation, a user-friendly and configurable interface, and the ability to monitor disk space, CPU utilization, memory usage, host availability, NFS availability and many other things, making it widely used in IT markets."
"The most valuable feature is the dashboard, where I can have a single screen that provides a summary for hundreds of servers."
 

Cons

"In Checkmk, the documentation can probably be improved a bit more."
"The main challenge for us is that we're moving from Nagios to Checkmk, and we're still getting used to the new way of working."
"If an alert is generated for a specific pattern in the log, and if Checkmk catches that log, it will stay there even after the alert is resolved."
"Checkmk does not work too easily with the PowerStore. I use a PowerShell script as Checkmk runs on Linux and a Windows system, connecting with the Checkmk agent."
"The initial setup is a bit complex."
"Checkmk does not allow running scripts at varying intervals."
"Sometimes we receive alerts, and it can become annoying when you acknowledge an alert. It is very clunky when you acknowledge the alert. The process is not very intuitive, and there are instances where it feels a bit cumbersome to acknowledge an alert."
"It is easy for tech-savvy people, but newcomers might find it intimidating."
"Reporting items needs more improvement and need to be more flexible based on customer needs."
"The user interface needs improvement."
"We'd like to see more integration capabilities."
"The GUI could be improved."
"The user interface needs improvement. Many tools have poor user interfaces, making them hard to manage and navigate."
"I would like to be able to extend it to all of our data centers, whether they are in the cloud or not. It would be helpful if I could connect everywhere."
"The NCC does have issues where it locks up or an admin cannot be sure if the system configuration was exact."
"I would like to see support for notification via SMS."
 

Pricing and Cost Advice

"Checkmk is a fairly reasonably priced solution."
"The price of Checkmk is cheaper compared to other enterprise products."
"The product is affordable."
"Licensing costs are reasonable."
"The licensing fees for this solution are approximately $3,000 USD per year."
"The pricing is really cost efficient. The licensing is perpetual and can be renewed very easily."
"It is good to contact experts for advice about what is the best solution for your specific infrastructure and enterprise."
"The pricing is high with separate licensing for the product and support."
"This solution is very expensive, at approximately $5,000 USD when I purchased it, which is why I haven't upgraded my version in several years."
"As it is not an agentless tool, I think it is expensive."
"We are using the free version of this solution."
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Comparison Review

it_user174738 - PeerSpot reviewer
IT Developer at a tech services company with 51-200 employees
May 31, 2015
Nagios vs. Zabbix vs. PRTG vs. Spiceworks vs. Solarwinds Network Performance Monitor
I have researched a quite a few network monitoring tools which can be used for various monitoring purposes of not only the servers, but the intermediate routers as well. There are majorly three types of these softwares. Ones which are completely open-source, you can do almost anything you want…
 

Top Industries

By visitors reading reviews
Manufacturing Company
10%
Government
9%
Comms Service Provider
9%
Financial Services Firm
8%
Financial Services Firm
10%
Construction Company
8%
Manufacturing Company
7%
Comms Service Provider
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise3
Large Enterprise2
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise17
Large Enterprise21
 

Questions from the Community

What needs improvement with Checkmk?
I will get more information about Checkmk when the proof of concept is done. It's going to be before the summer. There will be a report about the tool and a recommendation to use it. So far, it loo...
What is your primary use case for Checkmk?
Checkmk ( /products/checkmk-reviews ) is a monitoring tool, so that's what I will use it for. Right now, it's not in production, but it's in a proof of concept phase. It looks good, so probably, du...
What advice do you have for others considering Checkmk?
I would rate Checkmk an eight out of ten, not knowing the final report.
What is your experience regarding pricing and costs for Nagios XI?
The pricing for the Nagios XI product is good and better than other solutions. I would give it a four or five.
What needs improvement with Nagios XI?
The user interface needs improvement. Many tools have poor user interfaces, making them hard to manage and navigate.
What is your primary use case for Nagios XI?
I normally use Nagios XI for our servers. It's not particularly used for network equipment, however, I use it for monitoring our server performance, including CPU, memory, data, and services runnin...
 

Comparisons

 

Overview

 

Sample Customers

Information Not Available
Nagios has over one million users globally, including AOL, DHL, McAfee, MCI, MTV, Yahoo!, Universal, Toshiba, Sony, Siemens, and JPMorgan Chase.
Find out what your peers are saying about Checkmk vs. Nagios XI and other solutions. Updated: June 2026.
900,644 professionals have used our research since 2012.