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Flowmon vs PRTG Network Monitor comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Sep 21, 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
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
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
107
Ranking in other categories
Network Monitoring Software (5th), IT Infrastructure Monitoring (5th), Cloud Monitoring Software (10th)
 

Mindshare comparison

Flowmon and PRTG Network Monitor aren’t in the same category and serve different purposes. Flowmon is designed for Network Detection and Response (NDR) and holds a mindshare of 1.9%, up 1.7% compared to last year.
PRTG Network Monitor, on the other hand, focuses on Network Monitoring Software, holds 4.1% mindshare, down 4.2% since last year.
Network Detection and Response (NDR) Market Share Distribution
ProductMarket Share (%)
Flowmon1.9%
Darktrace22.3%
Vectra AI15.6%
Other60.2%
Network Detection and Response (NDR)
Network Monitoring Software Market Share Distribution
ProductMarket Share (%)
PRTG Network Monitor4.1%
Zabbix11.4%
SolarWinds NPM4.4%
Other80.1%
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

"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 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."
"Flowmon is more easy to understand and helps find network issues more quickly."
"It is nice to have one place where all the information is right there in front of us."
"The tool is integrated with our email for the alerts."
"It has made our infrastructure more reliable."
"PRTG is integrated on Windows."
"What I've found most valuable is the custom sensor, which allows you to write scripts or code to monitor a specific metric in your environment."
"The sensors and remote probes are phenomenal. We use them for all of our global sites. The problem with our global sites are that they are all VPNs. If the link goes down, you can't monitor other solutions, as it just goes off the grid. Having remote probes allows them to still carry on and get the information that we need when it comes back up, sending the information to us."
"It improves the status of my infrastructure, from networking devices to real-time machines."
"I found PRTG Network Monitor very useful for troubleshooting and monitoring the utilization of either the network or server."
 

Cons

"I do not know the detailed pricing."
"If there was better visualization in Flowmon Solution it would be good."
"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."
"The licensing price could be better."
"It probably has this already, but if it had a mobile app that would be helpful. For example, on a day like today when I'm out, if I could just fire it up and see green, green, green, green, green or red, that would be good."
"A room for improvement in PRTG Network Monitor is its sensors. Its application technology sensor, such as the IAS, .NET, etc., needs some improvement because it doesn't work as expected. For example, the IAS sensor doesn't give immediate information, and the information you get from it isn't of good value. The web GUI of PRTG Network Monitor also needs improvement because errors keep popping up if it's not been updated to the latest version. What I'd like to see in the next release of the tool is end-to-end topology mapping for the business model, and that should be required. There has to be a technical map. Technical mapping and topological creation are missing in PRTG Network Monitor, so I would like to see those in the future."
"We would like more cloud native sensors for AWS, Azure, Google Cloud, etc. A lot of businesses are moving in that direction, so having something where we can pull performance stats out of these cloud services would be great for us."
"We need something that is more predictive. We would prefer if it wasn't a solution that was corrective and instead offered predictive insights so that we can handle problems before they even occur."
"Improvements in data storage flexibility, such as allowing customers to specify data retention periods, would enhance PRTG."
"PRTG's application monitoring sensor is not strong."
"The inventory of the device should be improved."
"There are some vendor-specific sensors in PRTG Network Monitor, particularly for older hardware, that don't always provide consistent results."
 

Pricing and Cost Advice

"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."
"The price of the solution could be better."
"We pay nothing for it. Its 100 sensors have allowed us to put a magnifying glass on some systems, providing an extra layer of detail. Therefore, our outgoing is nothing and our incoming is a lot of useful data that we can react to proactively."
"I rate the price of PRTG Network Monitor an eight on a scale of one to ten, where one is a high price, and ten is a low price."
"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."
"It is expensive."
"We have an unlimited license for this solution."
"The pricing is very low compared to other solutions."
"The pricing is reasonable for the features provided."
"The pricing is not too bad. It's not massively expensive, and the ability to upscale or even downscale licenses every year is brilliant for us."
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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
12%
Manufacturing Company
12%
Financial Services Firm
9%
Performing Arts
8%
Computer Software Company
12%
Government
9%
Financial Services Firm
8%
Comms Service Provider
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business56
Midsize Enterprise18
Large Enterprise40
 

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.
 

Comparisons

 

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: July 2025.
868,787 professionals have used our research since 2012.