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Icinga vs Nagios Core comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 9, 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

Icinga
Ranking in Network Monitoring Software
25th
Ranking in IT Infrastructure Monitoring
30th
Average Rating
7.6
Reviews Sentiment
6.1
Number of Reviews
17
Ranking in other categories
Server Monitoring (13th), Cloud Monitoring Software (23rd)
Nagios Core
Ranking in Network Monitoring Software
10th
Ranking in IT Infrastructure Monitoring
11th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
51
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the Network Monitoring Software category, the mindshare of Icinga is 1.8%, down from 3.2% compared to the previous year. The mindshare of Nagios Core is 1.9%, down from 3.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Market Share Distribution
ProductMarket Share (%)
Nagios Core1.9%
Icinga1.8%
Other96.3%
Network Monitoring Software
 

Featured Reviews

Harrison Bulley - PeerSpot reviewer
Senior Infrastructure Engineer at Net Consulting
A stable, scalable and cost-effective solution that helps with inbuilt scripts for easy modification
I think the software is quite good, but we have had problems with getting it to recognize certain areas and amend certain checks, where we needed so we would have to create backend scripts for those checks. Though, being open source, it has the support to create backend scripts, it would be better to have these scripts in-built.
HY
Senior System Administrator at Interactive Group
Monitoring solution provides comprehensive visibility across IT infrastructure
The good thing about Nagios Core is it covers everything. Everything in the IT domain, you can monitor anything. You can even monitor printers, the ports of printers, Core workstations, and storage. You can monitor the workflow Core and the utilization of computes. If you want to grasp everything of your IT equipment on a single interface, you can use Nagios. It's the best one. It provides dashboards, and you can also configure your emails and alerts with it. If something is critical, you can configure it to notify via emails. It has a very handy dashboard, providing live alerts and visibility for everything.

Quotes from Members

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

Pros

"I like the ability to amend and adjust things really easily, which is useful in a case where you could make it auto-discover and then set a template to say all of these applications or servers under this template have an automatic threshold set that you’d set up manually."
"Macros and the ability to connect it to Google Maps are valuable features."
"The best thing about the solution is how it highlights errors, the issues, and what needs my attention. The solution directs me to areas that I should look for first."
"The drafts are easy but what I like about Icinga is that there are many add-ons that you can download."
"It is really easy in Icinga to create your own plugin and integrate it without any fuss. And it works just perfectly fine."
"The apply rules feature saves a lot of time."
"We have found the solution to be stable."
"Icinga does the job and is fairly stable."
"Dashboard provides monitor of total assets."
"The most valuable features are the reports and the way it generates the report in a graphical manner."
"I would rate the overall solution ten points out of ten."
"I like the way the solution sends alerts and how it keeps on escalating them."
"I like that it's very simple to install, easy to manage and deploy, and easy to use for monitoring."
"Nagios Core is stable."
"The most valuable feature is the performance parameters of the system."
"We use the product to monitor server applications."
 

Cons

"We have found some problems with Nagios, and support isn't very responsive."
"At this time, the layout of the website is a bit difficult. It should be more user-friendly for changing the background and logos."
"Icinga is a complex solution that's hard to learn. It's a powerful product for monitoring, but new users will have a hard time figuring out what to do."
"One of the areas that are frustrating is remote monitoring for more than one machine."
"There is room for improvement in multi-tenancy. It's not perfect, not even really good. It's average, but it should be improved."
"The tool currently fails to provide notifications to users."
"One thing that Icinga lacks is the capability to create advanced and customized dashboards within the tool itself."
"The user interface should be improved."
"The user interface could be more interactive because it is pretty basic."
"The UI is a little outdated and graphics could be displayed in a better way."
"The mapping is a little hard."
"t was a little hard to get our setup represented in the configuration."
"There is room for improvement in the graphics."
"The dashboard and monitoring features could be improved."
"The core version is no match for the XI version."
"The tool needs to improve the integrations."
 

Pricing and Cost Advice

"The solution is cheap."
"It is cost-effective, and the return on investment can be very interesting because the price is low."
"We're using the free version of Icinga."
"This is an open-source solution with paid support."
"Even though Icinga's financial cost is low, it is an expensive product regarding the resources required to maintain and operate it."
"It's an open-source solution."
"The solution is free to use."
"The product is inexpensive compared to other DBM products."
"Most the plugin features are free."
"Nagios Core is free to use."
"The solution is expensive."
"It's free."
"Nagios Core is a cheap solution."
"It's free."
"The product is cheaply priced."
"We are using the free version."
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Top Industries

By visitors reading reviews
Educational Organization
13%
Comms Service Provider
12%
Financial Services Firm
10%
Manufacturing Company
8%
Computer Software Company
12%
Manufacturing Company
10%
Comms Service Provider
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise4
Large Enterprise7
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise11
Large Enterprise22
 

Questions from the Community

What is your experience regarding pricing and costs for Icinga?
It is cost-effective, and the return on investment can be very interesting because the price is low. If you want to include this product in the services you offer to your customers, the return on i...
What needs improvement with Icinga?
There is room for improvement in multi-tenancy. It's not perfect, not even really good. It's average, but it should be improved. For instance, multi-tenancy for monitoring the virtual infrastructur...
What is your primary use case for Icinga?
We use Icinga as a monitoring solution to monitor customers' infrastructures. We work as a managed service provider, so we offer monitoring and many other services to our customers. So we use it in...
What is your experience regarding pricing and costs for Nagios Core?
Nagios Core is a free and open-source product. We don't charge for the product itself, but we charge for the man-hour costs related to installation, configuration, ongoing operation, and maintenance.
What needs improvement with Nagios Core?
The dashboard should be improved. It's very simple. I don't have a very clear or specific suggestion. You can change the skin of the dashboard, however, it's good for me.
What is your primary use case for Nagios Core?
I was a senior system administrator. I've been using Nagios Core for more than ten years now. It can be used to monitor hosts, such as machines, and monitor services of any kind. I'm using it to mo...
 

Comparisons

 

Also Known As

Icinga Cloud Monitoring
No data available
 

Overview

 

Sample Customers

Puppet Labs, Audi, Spacex, Debian, Snapdeal, McGill, RIPE Network Coordination Centre
Airbnb, Cisco, PayPal, FanDuel
Find out what your peers are saying about Icinga vs. Nagios Core and other solutions. Updated: December 2025.
879,889 professionals have used our research since 2012.