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NETSCOUT InfiniStreamNG vs PRTG Network Monitor comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Mar 29, 2026

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

NETSCOUT InfiniStreamNG
Ranking in Network Monitoring Software
72nd
Average Rating
8.4
Number of Reviews
13
Ranking in other categories
No ranking in other categories
PRTG Network Monitor
Ranking in Network Monitoring Software
5th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
113
Ranking in other categories
IT Infrastructure Monitoring (6th), Cloud Monitoring Software (8th)
 

Mindshare comparison

As of September 2026, in the Network Monitoring Software category, the mindshare of NETSCOUT InfiniStreamNG is 0.6%, up from 0.4% compared to the previous year. The mindshare of PRTG Network Monitor is 2.5%, down from 4.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Mindshare Distribution
ProductMindshare (%)
PRTG Network Monitor2.5%
NETSCOUT InfiniStreamNG0.6%
Other96.9%
Network Monitoring Software
 

Featured Reviews

Michael Gideon Genita - PeerSpot reviewer
Associate System Engineer at SMS Global Technologies, Inc.
Easy to set up with good documentation and helpful support
I'm using it for a customer The packet flow switch is the most valuable aspect of the solution.  It's an easy product to set up. We can scale the solution if we need to. It's stable.  The documentation is well-written and quite useful. It's compatible with other products.  Under the pocket flow…
MC
Senior consultant at Cambridge Institute of Technology
Has reduced troubleshooting time and improved issue detection through sensor alerts and team collaboration
PRTG Network Monitor can be improved because the dashboard themes feel outdated. It should be updated to a newer version for the new Gen Z customers. The notification sound options are limited unless customized. Restarting probes after Windows updates is necessary, and there should be some kind of automatic restart. The initial auto-discovery added too many unnecessary sensors, so auto-discovery should only take the necessary sensors into consideration.

Quotes from Members

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

Pros

"We are attracting customers in good sized numbers as we advertise and market this solution."
"The ability to troubleshoot customers' connectivity has been very beneficial."
"It has cut our group's troubleshooting time down significantly, e.g., depending on the issue, what would normally take maybe a couple of hours will now take minutes."
"We have seen a lot of return on investment: We have been able to recover radios in the field, we know exactly what is going on, we cut down fines from the service commission, and we have seen a measurable decrease in mean time to know, cutting troubleshooting down by days as we can now see the issues."
"I love the single pane of glass view. It makes it easier to not have to navigate everywhere. It allows more simplistic visibility, without having to go from tool to tool to tool, or from window to window to window."
"If you are looking for a good application monitoring and packet analysis tool, you can strategically use NETSCOUT to get it done."
"The most valuable features are speed and cost."
"This solution has cut our overall troubleshooting time, sometimes going down to a few hours over what might have taken one to two days to fully troubleshoot an issue, and it has helped to increase our application uptime as we try to keep the five nines."
"It's very easy to manage when you've got time to do some work on it: things like adding devices, adding groups, adding sensor clusters, and being able to clone and move stuff around."
"PRTG Network Monitor has positively impacted our organization by saving us a significant amount of money; during maintenance windows or patching, we used to receive false alerts, but since implementing PRTG, it has saved us thousands of dollars and has become a boon for us by providing convenience and being time and cost-saving."
"The most valuable feature of this solution is being able to see things graphically."
"The solution is scalable."
"The most valuable features of PRTG Network Monitor are bandwidth utilization, user-friendliness, all past report simple retrievals, and timeout features. Additionally, if the solution does go down it is simple to bring it back."
"Its proactiveness is its most valuable feature. We already know when we come in, in the morning, if a server or site is down, as opposed to someone telling us."
"PRTG Network Monitor is perhaps the most accurate tool we have used to monitor the capacity of the WAN connection."
"If you're looking from a holistic infrastructure deployment and monitoring perspective, it's a good tool to use and to start with."
 

Cons

"I'd like them to make the product more user-friendly."
"There is a timeout feature that we have been asking for awhile."
"The scalability has some limitations and quirks to it. I would like to be able to upgrade rather than replace the whole thing."
"The technology goes end-of-life on us every year, which is why I am looking forward to vSTREAM."
"Sometimes, we can't access it."
"The solution is not great, but it is not bad."
"I would like to see an improved level of stitching between IPs."
"Only problems that we have had are fiber issues going into the TAPs or vSTREAMs, which are usually local site issues."
"They could improve the process of updating the license."
"PRTG Network Monitor definitely has room for improvement. They need to change their strategies because it has become relatively expensive compared to what it used to be."
"The Desktop app is good but it can be really sluggish at times, especially when you're editing different elements."
"The most significant disadvantage of PRTG Network Monitor is that the dashboard for NetFlow is not user-friendly at all."
"PRTG's documentation could be improved."
"The free version only gives us 100 free sensors to use. It would be nice if there was double that."
"They just released a newer version of the desktop app, a beta version, that I have been trialing out. I prefer the older version, only because of how the layout is designed"
"I have an issue with DFS, distributed file services... there isn't one by default. Taking into account the difference between DFS and DFSR as well would be great."
 

Pricing and Cost Advice

"The price is a little high."
"It can be scalable. It just costs too much. With a company as big as ours, it gets too expensive to accommodate every single site."
"This product could be cheaper."
"The scalability is good, but it comes at a cost. E.g., if you need 100 InfiniStream because you are sending gigs or terabytes of data to one InfiniStream, then you will have to purchase another InfiniStream, which are not cheap."
"To capture more with the solution that we bought, you have to buy another InfiniStreamNG, and there are only four ports in the back."
"I would like it to be more scalable with less spend."
"We bought a license for 4000 sensors."
"PRTG Network Monitor is cheap."
"Because we are only on the free version, we have a limited number of sensors. Therefore, we are not monitoring as much as we want to be to obtain historical information."
"I would like better pricing models for smaller businesses. The free version is fantastic, but it's too restrictive. If they could just get up to 200 sensors for a reasonable fee for on-premise, I would give PRTG my credit card right now."
"We pay for PRTG Network Monitor annually. The price is approximately 10,000 rupees annually."
"On a yearly basis, I believe it's between £1,200 and £1,500."
"When you have a lot of devices, PRTG Network Monitor can be costly."
"The price of PRTG Network Monitor is reasonable for the features that the solution provides. They charge you per monitoring, not per node, it is per port that you need for a device."
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Comparison Review

it_user174738 - PeerSpot reviewer
IT Developer at a tech services company with 51-200 employees
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
Outsourcing Company
15%
Manufacturing Company
12%
Construction Company
12%
Comms Service Provider
11%
Financial Services Firm
10%
Comms Service Provider
10%
Healthcare Company
7%
Outsourcing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Midsize Enterprise1
Large Enterprise8
By reviewers
Company SizeCount
Small Business60
Midsize Enterprise19
Large Enterprise50
 

Questions from the Community

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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 is your experience regarding pricing and costs for PRTG Network Monitor?
The pricing was higher at the beginning, but the recurring licensing cost is affordable and reasonable. Overall, the pricing, setup cost, and licensing is fair for our industry. They have quoted us...
What needs improvement with PRTG Network Monitor?
The reporting features look very technical and that can be improved. If they can change the report so everyone can understand it, that would be helpful.
 

Also Known As

InfiniStreamNG, NETSCOUT ISNG, Infinistream
No data available
 

Overview

 

Sample Customers

U.S. Department of Defense
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 NETSCOUT InfiniStreamNG vs. PRTG Network Monitor and other solutions. Updated: September 2026.
913,683 professionals have used our research since 2012.