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ITRS Geneos 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

ITRS Geneos
Ranking in Network Monitoring Software
64th
Ranking in IT Infrastructure Monitoring
44th
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
57
Ranking in other categories
Application Performance Monitoring (APM) and Observability (35th)
Nagios Core
Ranking in Network Monitoring Software
10th
Ranking in IT Infrastructure Monitoring
10th
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 February 2026, in the Network Monitoring Software category, the mindshare of ITRS Geneos is 0.6%, down from 0.6% 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%
ITRS Geneos0.6%
Other97.5%
Network Monitoring Software
 

Featured Reviews

reviewer2045373 - PeerSpot reviewer
SENIOR CLOUD SUPPORT ENGINEER at a financial services firm with 10,001+ employees
The flexible dashboard sets it apart from competing tools, but it's costly and lacks scalability
Geneos provides near-real-time data if the underlying infrastructure is sufficient. The time to get a response depends on the kind of alert you set. All monitoring tools have multiple alert methods. You can receive an alert within the tool where it flags the issue on the dashboards. You get real-time alerts in Geneos. You can also receive alerts via email. That is quick unless your email system has some delay latency. Geneos sends alerts within 20 to 30 seconds. It will throw the alert to your inbox and 13 chatbots. You can configure Geneos with chatbots also in real-time. The primary benefit to our company is the dashboard. We have a management dashboard that highlights business-critical alerts to management. We have a high-level dashboard for management and a technical dashboard for L2 and L3 engineers. The help desk and other L1 departments have their own dashboard. The dashboard has improved our business significantly because it provides visibility into the entire operation from one screen. It offers a traffic-light mechanism. When there is an issue in North America or South America, Geneos immediately alerts you and the management that there is something we need to look into. Geneos can predict and resolve problems through automation. Geneos will automatically restore the service several times when a service goes down based on our configuration. It prevents a couple of outages each month where the services do not come back online following a server restart.
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 would say that it is an easy-to-use monitoring tool. Amongst the available monitoring tools, it is a really good option."
"Tons of default modules which are available out of the box"
"Ability to monitor logs for potential issues to prevent app outages before problems get a chance to arise. That's invaluable for our teams in a fast-paced trading environment."
"I always appreciate Geneos's stability and ease of use."
"The solution's log monitoring and alerting mechanisms are very user-friendly and easy to plug and play."
"ITRS uses SNMP to communicate with our devices as well as SNMP net probes installed on our servers."
"Real-time log monitoring with desktop alerts is valuable as it tells us immediately when there is an issue."
"Geneos automatically sends email notifications when any batch job fails, the database is down or the website is down. It is automatically monitoring everything and reduces manual effort."
"The notifications are definitely one of the most valuable features of Nagios Core. We know what to look for and what to expect when things are down."
"What I like about Nagios Core is that it helps me ensure everything is running smoothly by checking the status of hosts and services."
"The solution is quite efficient."
"I would rate the overall solution ten points out of ten."
"It has made the life of the network operations staff more proactive in managing the resources of the infrastructure. It prevents disasters long before they can take place."
"Nagios Core is stable."
"Nagios monitors our servers, so we know if anything goes wrong and can solve the problem before it happens."
"Alert calls occur anytime a service goes down or a matrix is difficult and that helps us to quickly restore service and transfer work."
 

Cons

"I would like ITRS Geneos to develop an app, where instead of going to specific login terminals or logging into laptops or desktops to check alerts, we can have visibility in the app itself."
"There is a part of the rules for monitoring alerts. I want to understand more about how to choose the samples and the requirements for the rules. That is the part that I want to understand better and get better training for."
"I would like to see ITRS integrate its setup editor with a SVN to check-in setup XML after major changes."
"I would also like to see suggested guidelines to accomplish a monitoring task. The issue is that ITRS is so flexible that there is more than one way to complete a task, each with benefits and disadvantages."
"There is one drawback to using lightweight data collection: we lack the feature of observability based on time series, such as historical model data. This makes it difficult to view data in ITRS. ITRS needs to improve this feature."
"The main feature that needs work is the Dashboard designer."
"Data visualization – real time and historical – is a weakness."
"They have the Webslinger solution where you can see when something is alerting. It's a little bit cumbersome."
"Bandwidth monitoring is the pain point for me because Nagios Core does not monitor bandwidth effectively like Cacti does."
"It's not that easy to install the product itself. Also, the UI is a bit hard for regular users to navigate through."
"The initial setup process could be easier."
"The alerting mechanism in Nagios Core could be improved."
"The interface could be improved."
"I would like to see a sensor that shows the traffic of a user and what they're doing on the network."
"t was a little hard to get our setup represented in the configuration."
"It would be nice if the company offered a sales or contract manager that was dedicated to our company so that we would have some sort of link to Nagios, and if we had issues or questions, we'd be able to contact them directly."
 

Pricing and Cost Advice

"Pricing is the touchy subject, even here. Upper management always wants us to find a cheaper solution. But we have so much integrated with ITRS... It's expensive, but it does its job very well. And you set it and go."
"The pricing seems reasonable. We're happy enough with it."
"It is expensive. They have to look at the model around when we move to cloud and how that's going to work. The licensing cost does pay off because of the improvements in support to our business."
"Based on feedback from colleagues and friends working in the financial sector, Geneos is relatively costly. Many companies have been switching from Geneos to Dynatrace, Sysdig, or other monitoring tools in the past two years because of the price."
"Given our spend and the amount of service we have in it, the pricing is quite reasonable."
"When I first came in, their pricing was very high. ITRS had a high expectation of what their price should be based on perceived value. I think they have been realizing, more recently, that there are other competitors, so their pricing is a lot better. Licensing for on-premise is okay, however I feel there is quite some work to be done for cloud and containers. We're still working with them to try and work out what that pricing should look like."
"The organization is not just purchasing a license for the product, but also managing services and professional services from ITRS. Another factor is if the implementation is going to be in production, non-production, or both."
"The licensing cost may seem expensive upfront. However, the service is outstanding, the tool does things that no other tools can do, and the customizability more than makes up for the cost of licensing."
"Most the plugin features are free."
"We are using the open-source, unpaid version."
"Lessening the price point would be an improvement."
"We are using the free version."
"Nagios Core is free to use."
"It's free."
"We have saved a lot of time, money, and effort in reducing disaster times, which is owed to Nagios quick alerting."
"The enterprise version has technical support. The version we are using is free."
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Top Industries

By visitors reading reviews
Financial Services Firm
69%
Computer Software Company
5%
Construction Company
3%
Outsourcing Company
2%
Computer Software Company
11%
Manufacturing Company
10%
Comms Service Provider
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise12
Large Enterprise39
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise11
Large Enterprise22
 

Questions from the Community

What is your experience regarding pricing and costs for ITRS Geneos?
The pricing is high. Licensing fees might be around 500$ per server monthly.
What needs improvement with ITRS Geneos?
ITRS Geneos is a legacy system. It predicts or provides proactive measures once an issue is resolved. It doesn't offer any predictive capabilities or root cause analysis. They throw a lot of data i...
What is your primary use case for ITRS Geneos?
ITRS offers multiple products, including upgrades for synthetic monitoring and a SaaS platform. Geneos is used for infrastructure monitoring, covering KPIs such as CPU, memory, processes, network l...
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

Geneos
No data available
 

Overview

 

Sample Customers

ITRS Geneos is used by over 170 financial institutions, including JPMorgan, HSBC, RBS, Deutsche Bank and Goldman Sachs. Clients range from investment banks to exchanges and brokers.
Airbnb, Cisco, PayPal, FanDuel
Find out what your peers are saying about ITRS Geneos vs. Nagios Core and other solutions. Updated: February 2026.
881,360 professionals have used our research since 2012.