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Flowmon vs PRTG Network Monitor comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jun 15, 2025

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) (14th)
PRTG Network Monitor
Ranking in Network Monitoring Software
5th
Average Rating
8.0
Reviews Sentiment
7.1
Number of Reviews
102
Ranking in other categories
IT Infrastructure Monitoring (6th), Cloud Monitoring Software (11th)
 

Mindshare comparison

As of July 2025, in the Network Monitoring Software category, the mindshare of Flowmon is 0.7%, up from 0.6% compared to the previous year. The mindshare of PRTG Network Monitor is 4.2%, down from 4.6% 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…
Noman-Saleem - PeerSpot reviewer
Detects suden changes but significant pricing concerns affect the effectiveness of network traffic troubleshooting
We use PRTG Network Monitor for monitoring traffic on interfaces and the behavior of network traffic. If there are sudden changes in traffic or any configuration issues, we can sort them out using PRTG. It's very helpful for troubleshooting and monitoring traffic utilization on our interfaces…

Quotes from Members

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

Pros

"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."
"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."
"The solution is stable."
"The artificial intelligence and automatic detection system in Flowmon Solution are perfect for every, type of customer, such as government and commerce."
"One of its valuable features is the fact that it handles multiple operating systems... And I like the fact that it tells me when things are about to fall over, which means I can preempt it and not have to wake up at three in the morning to fix it."
"It is easy when it comes to dependencies of devices, so if your router goes down, the three or four switches behind it will automatically be paused so that you don't get multiple alerts."
"I like the mobility of the PRTG Network Monitor and ITOps Dashboard."
"Technical support is helpful."
"It improves the status of my infrastructure, from networking devices to real-time machines."
"This solution provides us with the needed feedback on our IT infrastructure. It allows us to grab all the information from a single point of view."
"It is a central solution in terms of how to actually use it. It has a very easy dashboard. Everything is concise. We are able to create custom sensors. For different parts of the business, we have many products across many environments, and it works for everything."
"The product is simple and easy to implement."
 

Cons

"If there was better visualization in Flowmon Solution it would be good."
"The licensing price could be better."
"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."
"I do not know the detailed pricing."
"We run it in a cluster, so we have two that run together. The cluster behind it is sketchy at times."
"I know we're going to move to Docker applications and I understand that PRTG does some monitoring regarding this. I do not know if it is complete. If it's not yet complete, it's something they should consider improving."
"Along with more room for automation, more room for advanced configuration can be integrated into the solution."
"Mostly, this software has sensors for devices to monitor specs and you can build or develop or modify various sensors, according to your company's needs. But you may need to do that with coding or plugins or with the support of Paessler AG, the manufacturer."
"Maybe in the future there will be room for improvement, but currently, there is nothing pressing that I can think of"
"They could improve the process of updating the license."
"When using PRTG Network Monitor it is beneficial if you have prior experience with it, the user interface could improve."
"Sometimes, our PRTG Network Monitor system crashes and a lot of sensors go down."
 

Pricing and Cost Advice

"The licensing fee accrues only once, but that of support is annual."
"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."
"PRTG is now available as PRTG Enterprise Monitor, and the price varies depending on the total number of sensors the customer buys"
"The ability to use the base version with 100 free sensors is great. The cost on other packages can be very reasonable."
"In my company now, we are using the free version."
"It's an annual license that is based on the number of endpoints that we're tracking and using."
"I'm paying something like €1000 per year for the maintenance. I've got unlimited sensors."
"We are using the premium version of PRTG Network Monitor. The price of the solution is a bit higher than competitors but it is worth the extra money. However, it would be helpful if the price was lower."
"We are licensed for 2500 endpoints."
"When you have a lot of devices, PRTG Network Monitor can be costly."
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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
17%
Financial Services Firm
11%
Manufacturing Company
10%
Educational Organization
5%
Educational Organization
21%
Computer Software Company
11%
Financial Services Firm
8%
Government
8%
 

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 is the best network monitoring software for large enterprises?
PRTG network monitor is one of the best tool i have ever used for the monitoring. It have auto discovery option. it avoid the configuring the device in PRTG. It automatically discover the device an...
What do you like most about PRTG Network Monitor?
The tool is integrated with our email for the alerts.
What is your experience regarding pricing and costs for PRTG Network Monitor?
The pricing is in the middle. It's not too high, nor too low, but it's reasonable.
 

Also Known As

Flowmon Anomaly Detection System
No data available
 

Overview

 

Sample Customers

SEGA
Jameson Bank, Sidnix, RungeICT, MedicalAnimal, Truck-lite, GamingGrids, The Covell Group, Forsythn County Schools, NetMass, Musgrove Park Hospital, Lanes Health, Columbia Southern University, Vodafone, Intrust Bank
Find out what your peers are saying about Flowmon vs. PRTG Network Monitor and other solutions. Updated: June 2025.
860,632 professionals have used our research since 2012.