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Flowmon vs Nagios XI comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 10, 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

Flowmon
Ranking in Network Monitoring Software
43rd
Average Rating
8.6
Reviews Sentiment
7.5
Number of Reviews
4
Ranking in other categories
Network Detection and Response (NDR) (15th)
Nagios XI
Ranking in Network Monitoring Software
17th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
58
Ranking in other categories
Server Monitoring (10th), IT Infrastructure Monitoring (23rd), Cloud Monitoring Software (21st)
 

Mindshare comparison

As of August 2025, in the Network Monitoring Software category, the mindshare of Flowmon is 0.7%, up from 0.7% compared to the previous year. The mindshare of Nagios XI is 3.1%, down from 3.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software
 

Featured Reviews

Pifu Lin - PeerSpot reviewer
Quick identification of network issues enhances performance monitoring
We will try to Proof of Concept (POC) to a client in Taiwan. We just use the features for the Network Performance Monitor (NPM) Flowmon is more easy to understand and helps find network issues more quickly. We need this solution to monitor the network performance. We started using it three…
Amir  Said - PeerSpot reviewer
Effective alerting enhances network monitoring experience with an easy setup
We love Nagios XI due to the fact that JPS Web is very useful. JPS monitors the modem and performs switching, monitoring the computer, and performing switching. We implement some applications and traffic monitoring. The alerting system is very effective. For instance, if we have an alarm on some RAM storage if the traffic is cut or dropped.

Quotes from Members

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

Pros

"Flowmon is more easy to understand and helps find network issues more quickly."
"Flowmon is more easy to understand and helps find network issues more quickly."
"It is an open platform, so in terms of integration, we are quite happy. We can integrate it with other SNMP solutions. We can also integrate it with security solutions, such as a SIEM solution."
"The artificial intelligence and automatic detection system in Flowmon Solution are perfect for every, type of customer, such as government and commerce."
"The solution is stable."
"The features I've found the most useful are the plug-ins, the fact that you can connect almost everything to it. That's very useful."
"The dashboard allows you to see what's going on in the overall system."
"I can monitor a software made in-house to software of bigger companies."
"Though I downplayed the administrative NCC GUI, this is by far the strongest aspect of the Nagios XI product."
"The most valuable feature is its support for different types of devices, where it can use all of the equipment that you need."
"Nagios is a custom API manager, and we can expose custom APIs for our integration. This is a great feature."
"Nagios allows us to configure any device so that we can send pager alerts when people don't have access to emails. It also allows us to schedule downtime and maintenance."
"Nagios XI is easy to install, which sets it apart from other open-source solutions I've tried."
 

Cons

"The licensing price could be better."
"I do not know the detailed pricing."
"It would be helpful to have more details about the monitoring of the infrastructure. It should have support for SNMP. This is something that is currently not there in the product."
"If there was better visualization in Flowmon Solution it would be good."
"From an alerting point of view, some graphics and metrics don't work properly with Nagios XI as they do with Checkmk."
"The scalability of Nagios XI is scalable. However, it is not easy to do."
"Technical support is an area that needs improvement. It is not available 24/7."
"The user interface needs improvement."
"The product uses the backend as Perl and could be modified to a more lightweight solution like what's being offered by other vendors."
"The tool's AI model needs to be fixed."
"Nagios XI can improve network and hardware monitoring, these parameters should be simplified to allow usage for monitoring. Additionally, if there was automatic reporting it would be helpful."
"The reporting structure could be more streamlined."
 

Pricing and Cost Advice

"The price of the solution could be better."
"It works with a permanent license, and then you can pay for the support. For the gold support, you need to pay yearly."
"The licensing fee accrues only once, but that of support is annual."
"For our country in North Africa, it's expensive and we could purchase another solution for that price. But it's a reasonable price if we're speaking in international terms."
"It is good to contact experts for advice about what is the best solution for your specific infrastructure and enterprise."
"The licensing fees for this solution are approximately $3,000 USD per year."
"As it is not an agentless tool, I think it is expensive."
"Nagios XI is open source."
"The pricing is really cost efficient. The licensing is perpetual and can be renewed very easily."
"Licensing costs are reasonable."
"Nagios XI is an expensive solution."
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Comparison Review

it_user174738 - PeerSpot reviewer
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
Computer Software Company
13%
Manufacturing Company
12%
Financial Services Firm
9%
Performing Arts
7%
Computer Software Company
13%
Financial Services Firm
11%
Manufacturing Company
9%
Government
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Flowmon Anomaly Detection System?
I don't understand the price. I am in deployment, so I do not know the detailed pricing.
What is your primary use case for Flowmon Anomaly Detection System?
We will try to Proof of Concept (POC) to a client in Taiwan. We just use the features for the Network Performance Monitor (NPM).
What do you like most about Nagios XI?
It is an open-source platform with valuable features for performance and stability.
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.
 

Comparisons

 

Also Known As

Flowmon Anomaly Detection System
No data available
 

Overview

 

Sample Customers

SEGA
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 Flowmon vs. Nagios XI and other solutions. Updated: July 2025.
865,384 professionals have used our research since 2012.