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PRTG Network Monitor vs Zabbix 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:
 

ROI

Sentiment score
6.6
PRTG Network Monitor enhances efficiency by reducing downtime, manpower, and costs through automation and simplified monitoring systems.
Sentiment score
7.3
Zabbix, free and open-source, reduces downtime and costs, improving network stability and significant enterprise savings.
It provides accurate data for utilization, allowing us to monitor and optimize our investments in WAN connection capacity.
After introducing PRTG Network Monitor, we have saved time, and it's easy for everybody to monitor everything.
I have seen a return on investment with PRTG Network Monitor as it has saved a lot of time, and its monitoring has reduced manpower requirements, which has been helpful.
 

Customer Service

Sentiment score
6.7
PRTG Network Monitor offers helpful customer service, but mixed reviews on support responsiveness, with users appreciating its intuitive design.
Sentiment score
6.8
Zabbix users praise supportive documentation, community forums, and responsive technical support despite occasional time zone challenges and free version reliance.
They resolve our queries 24/7.
The setup process is well-documented, making it easy to deploy.
Tutorials are available so I can manage any issue with PRTG Network Monitor easily.
It is so straightforward that I have never had to use the support.
 

Scalability Issues

Sentiment score
7.4
PRTG Network Monitor excels in scalability, efficient performance, and ease of use, effectively managing diverse IT infrastructures.
Sentiment score
6.9
Zabbix is highly scalable, excels in diverse environments, but large deployments may require database optimization for efficient performance.
On a scale of one to ten, scalability is rated as 9.5.
PRTG Network Monitor has the ability to scale and add new devices.
You can install them in each network, even if they are not connected, and it works.
Zabbix is very scalable and lightweight.
Zabbix has high scalability.
I would rate its scalability ten out of ten.
 

Stability Issues

Sentiment score
7.9
PRTG Network Monitor remains stable with minimal downtime, though occasional issues arise from user errors and configuration limits.
Sentiment score
7.5
Zabbix is reliable and resource-efficient, performing well with database tuning and handling heavy workloads without crashing.
We haven't needed vendor support for the last three years, which demonstrates the product's stability.
PRTG Network Monitor is stable in my experience, and I have not encountered issues with crashes or downtime.
PRTG Network Monitor is very stable and requires low maintenance.
Zabbix is very scalable and lightweight.
Zabbix is quite stable, and we haven't had any problems with Zabbix itself.
 

Room For Improvement

PRTG Network Monitor needs improved features in templates, map design, performance, scalability, integration, automation, and interface flexibility.
Zabbix users seek improved UI, automation, integration, and customization with enhanced reporting, security, and scalability for non-technical users.
They need to improve application performance monitoring, error tracing mechanisms, and log management.
PRTG Network Monitor should provide syslog monitoring since it is not available at this time.
PRTG Network Monitor can sometimes be too detailed and cluttered at the beginning, making it heavy to use.
The only issue I can note is that it's Linux-based, and Linux documentation is not the best.
 

Setup Cost

PRTG Network Monitor offers flexible pricing with all-inclusive licensing, competitive for enterprises but can become costly for large deployments.
Zabbix is cost-effective and flexible, offering open-source monitoring with no licensing fees, low expenses, and optional support costs.
The licensing part is a recurring license for every year, which is very affordable, making PRTG Network Monitor budget-friendly.
Pricing is by the number of devices, not by sensor.
The prices are very high for PRTG Network Monitor.
 

Valuable Features

PRTG Network Monitor is praised for rapid deployment, scalability, real-time monitoring, customizable alerts, and cross-vendor flexibility.
Zabbix is valued for open-source customization, scalability, comprehensive monitoring, alerting systems, and cost-effective enterprise IT management.
PRTG Network Monitor already provided me with 100 free sensors, which is enough for my network monitoring.
PRTG Network Monitor has a good dashboard that shows each and every piece of information, so we can easily find out what is happening with the systems.
These reports help me in my day-to-day work, and I rely on them because they provide proof during escalation, with exact downtime logs and related information.
If disk usage surpasses a threshold, say 70%, I receive alerts and can take proactive action.
Zabbix has a lot of features, including monitoring, status updates, and collecting information telemetry from storages and servers as well.
Zabbix is Linux-based open-source software, and the main use case is to reduce costs.
 

Categories and Ranking

PRTG Network Monitor
Ranking in Network Monitoring Software
5th
Ranking in IT Infrastructure Monitoring
5th
Ranking in Cloud Monitoring Software
10th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
111
Ranking in other categories
No ranking in other categories
Zabbix
Ranking in Network Monitoring Software
1st
Ranking in IT Infrastructure Monitoring
1st
Ranking in Cloud Monitoring Software
1st
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
107
Ranking in other categories
Application Performance Monitoring (APM) and Observability (9th), Server Monitoring (1st)
 

Mindshare comparison

As of October 2025, in the Network Monitoring Software category, the mindshare of PRTG Network Monitor is 4.1%, down from 4.2% compared to the previous year. The mindshare of Zabbix is 11.4%, up from 11.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Market Share Distribution
ProductMarket Share (%)
Zabbix11.4%
PRTG Network Monitor4.1%
Other84.5%
Network Monitoring Software
 

Featured Reviews

madhan kumar hs - PeerSpot reviewer
Alerting precision has reduced incident response times and improved department-level network visibility
The auto-pause sensor during the maintenance window is good without any false alerts, and it prevents me from getting flooded with alerts during planned maintenance, helping department heads understand their own network usage better. It has reduced incident response time by giving clearer ownership of each alert, ensuring alerts go to the proper recipient. SNMP testers and auto-pause are among the best features of PRTG Network Monitor, which is particularly useful for different departments such as HR and finance, where alerts can be filtered accordingly. The alerting features and dashboard of PRTG Network Monitor are very helpful, especially in our industry. However, the dashboard can look cluttered on smaller screens, which is one negative aspect. PRTG Network Monitor has impacted us positively; we have stopped getting flooded with alerts during planned maintenance or unplanned outages. Compared to others, this gives specific alerts very quickly and helps department heads understand their own network usage better, thus reducing incident response time so that each alert has clear ownership.
B Ahmed - PeerSpot reviewer
Enables seamless global client monitoring with reliable remote connectivity
I use the solution to provide a perfect environment for remote connectivity with my clients. Many tools that I require for system maintenance are included. I can easily monitor all of my clients throughout the world I did not give much thought to it, however, improvements could be made to Zabbix.…
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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%
Government
9%
Financial Services Firm
8%
Comms Service Provider
7%
Computer Software Company
14%
Financial Services Firm
10%
Comms Service Provider
8%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business57
Midsize Enterprise18
Large Enterprise43
By reviewers
Company SizeCount
Small Business53
Midsize Enterprise23
Large Enterprise34
 

Questions from the Community

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?
My experience with pricing, setup cost, and licensing for PRTG Network Monitor is that it is reasonable.
What do you like most about Zabbix?
The template system in Zabbix is very beneficial as it saves time in configuration.
What needs improvement with Zabbix?
The reporting is lacking because this is an open-source tool, and nowadays, management's expectation is that the reports should be of high quality and every information should be presented in a con...
 

Comparisons

 

Overview

 

Sample Customers

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
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Find out what your peers are saying about PRTG Network Monitor vs. Zabbix and other solutions. Updated: October 2025.
870,701 professionals have used our research since 2012.