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Observer Apex 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

Observer Apex
Ranking in Network Monitoring Software
105th
Average Rating
0.0
Reviews Sentiment
8.1
Number of Reviews
1
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 Observer Apex is 0.3%, up from 0.1% 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%
Observer Apex0.3%
Other97.2%
Network Monitoring Software
 

Featured Reviews

Jeroen-Dubbelman - PeerSpot reviewer
Director at Bitrate
Has good network visibility
The primary use case is for monitoring and troubleshooting. We also use it for security.   The correlation of data in Apex helps to get full visibility of the entire enterprise. Apex is where we get the end-user experience score from one to ten. Network visibility is the most valuable feature.…
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PRTG Network Monitor can be improved because the dashboard themes feel outdated.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

"Network visibility is the most valuable feature."
"We can see trends for a lot of different things, such as hard drive space and bandwidth usage. We can see and plan for the future by knowing, "We're sort of at 75% capacity now. In three months time, we know we're going to be up to 90%,so we need to plan ahead for it, getting upgrades booked in place." Since things like this take time and effort, it's handy to see trends into the future of where our company is going."
"The up-to-date graphs and the history are very good."
"Stable and scalable network monitoring tool. Installation is simple and straightforward."
"It is very flexible, and we can monitor many aspects of IT as well as ERP and CRM services. It has a very powerful interface and APIs for customization."
"The technical support seems to be quick, clever, and has a comprehensive knowledge base online, which is fantastic."
"It is nice to have one place where all the information is right there in front of us."
"It is able to satisfy all our requirements in terms of email notifications and specific errors on the devices."
"The sensors and probes are great, nice and lightweight, they don't take up too many resources on the system. We just deploy them out and they start reporting instantly."
 

Cons

"The pricing and AI can be improved."
"PRTG's documentation could be improved."
"Although they are fairly comprehensive with what you can do with them, the mapping and dashboards are a bit clunky to set up."
"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."
"This solution is a good product so far, but I haven't been using it long enough to know how it could be improved."
"Dashboards can look cluttered on smaller screens, and the UI can feel crowded when there are hundreds of sensors in one group."
"Sometimes, it is difficult to drill down further to get information, e.g., if we saw spike in traffic, then we would want to drill down and find out what is causing that spike in traffic."
"This product can be improved by updating the net flow interface. The one that is in place works – I can get all the information I need from it – but it is a little bit clunky."
"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."
 

Pricing and Cost Advice

"It's expensive."
"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."
"In my company now, we are using the free version."
"The price is pretty comparable."
"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."
"The pricing is okay and it is cheaper than some competing products."
"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."
"The pricing for PRTG in our case is reasonable because we have a lot of applications to monitor within PRTG. It is not that expensive."
"If you're looking for a cost effective software I’d suggest this product."
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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
No data available
Financial Services Firm
10%
Comms Service Provider
10%
Healthcare Company
7%
Outsourcing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business60
Midsize Enterprise19
Large Enterprise50
 

Questions from the Community

Ask a question
Earn 20 points
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.
 

Overview

 

Sample Customers

Capita
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 Zabbix, SolarWinds, Datadog and others in Network Monitoring Software. Updated: September 2026.
913,806 professionals have used our research since 2012.