

PRTG Network Monitor and Nagios Core are two prominent network monitoring solutions. PRTG Network Monitor is often considered more user-friendly due to its intuitive setup and extensive support, giving it an edge in initial deployment and ease of use comparisons.
Features: PRTG Network Monitor offers a wide array of built-in sensors, rapid deployment capabilities, and user-friendly interfaces that integrate well with various IT environments. It supports significant customization and efficient monitoring without requiring major configuration changes. Nagios Core, as an open-source solution, excels in flexibility, allowing users to create tailored solutions through a vast ecosystem of plugins and community support without licensing costs.
Room for Improvement: PRTG Network Monitor could benefit from more advanced dashboard functionalities, improved remote probes, better cloud service monitoring, and enhanced data integration capabilities. Nagios Core users often request a more refined user interface and management console to reduce complexity. There are also calls for enhanced reporting and scalability alongside improved integration of newer monitoring technologies.
Ease of Deployment and Customer Service: PRTG Network Monitor is praised for straightforward deployment across hybrid cloud, private, and on-premises environments, supported by responsive customer service. Nagios Core supports diverse deployment environments but can be complex to implement, often requiring technical expertise, particularly in Linux network management. It benefits from a strong support community but lacks direct customer service.
Pricing and ROI: PRTG Network Monitor offers an all-inclusive licensing model, which is cost-effective for many businesses but potentially expensive for smaller enterprises. Good ROI is reported due to its reliability in preventing system downtimes. Nagios Core, being free, provides significant cost advantages, particularly for organizations capable of leveraging open-source solutions, although it demands investment in expertise to fully utilize its potential.
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.
The implementation reduced our employee resources from 20-25 to 5-6 employees.
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.
The solution is scalable.
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.
I tried many other solutions at work, however, in terms of Nagios, I haven't seen any disruption or downtime.
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.
The initial auto-discovery added too many unnecessary sensors, so auto-discovery should only take the necessary sensors into consideration.
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.
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.
You can monitor anything.
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.
| Product | Market Share (%) |
|---|---|
| PRTG Network Monitor | 3.3% |
| Nagios Core | 1.9% |
| Other | 94.8% |

| Company Size | Count |
|---|---|
| Small Business | 20 |
| Midsize Enterprise | 11 |
| Large Enterprise | 22 |
| Company Size | Count |
|---|---|
| Small Business | 59 |
| Midsize Enterprise | 19 |
| Large Enterprise | 47 |
This is IT infrastructure monitoring's industry-standard, open-source core. Free without professional support services.
PRTG Network Monitor runs on a Windows machine within your network, collecting various statistics from the machines, software, and devices which you designate. PRTG comes with an easy-to-use web interface with point-and-click configuration. You can easily share data from it with non-technical colleagues and customers, including via live graphs and custom reports. This will let you plan for network expansion, see what applications are using most of your connection, and make sure that no one is hogging the entire network just to torrent videos.
To monitor a large IT environment, it's important to be able to scale PRTG up. Paessler PRTG Enterprise Monitor includes all the proven capabilities of PRTG Network Monitor, which are enhanced by exclusive ITOps Board for a service-oriented, central overview of multiple PRTG servers.
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