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Nagios Fusion vs Splunk Observability Cloud comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jun 19, 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

Nagios Fusion
Ranking in IT Infrastructure Monitoring
47th
Average Rating
8.2
Reviews Sentiment
7.8
Number of Reviews
4
Ranking in other categories
No ranking in other categories
Splunk Observability Cloud
Ranking in IT Infrastructure Monitoring
7th
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
56
Ranking in other categories
Application Performance Monitoring (APM) and Observability (9th), Network Monitoring Software (6th), Cloud Monitoring Software (8th), Container Management (7th), Digital Experience Monitoring (DEM) (2nd)
 

Mindshare comparison

As of June 2025, in the IT Infrastructure Monitoring category, the mindshare of Nagios Fusion is 0.2%, up from 0.2% compared to the previous year. The mindshare of Splunk Observability Cloud is 1.4%, up from 1.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
IT Infrastructure Monitoring
 

Featured Reviews

SI
A suitable choice for unified and efficient infrastructure monitoring across diverse environments providing user-friendly GUI, cost-effectiveness, and versatility
We use it for this specific client, they've deployed multiple instances of it across various locations to facilitate monitoring. To effectively monitor their infrastructure, it seems necessary to implement additional monitoring solutions for all three types of devices they have Nagios Fusion…
Lakshmi Padaga - PeerSpot reviewer
Collaborates performance metrics with log data to pinpoint the exact cause of issues and offers error detection
Splunk APM is a robust tool with many capabilities. There are always areas for potential improvement to enhance its functionality and user experience. For Splunk APM, there could be simplified navigation, like streamlining the user interface to make navigation more intuitive for our users, especially those new to APM, which can enhance usability. We can provide more customization options for dashboards and visualizations to help users tailor the platform to their specific needs. There could be more integration capabilities with a wider range of third-party tools and platforms would also be beneficial. By focusing on these areas, Splunk APM can enhance its value proposition, improve user satisfaction, and better meet the evolving needs of organizations monitoring their application performance.

Quotes from Members

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

Pros

"Being open source lets us customize it for our monitoring needs, saving us money."
"It is easier for client installation, and the configurations are doable even for a newcomer in the field."
"Nagios Fusion version 12.8 excels in user-friendly GUI design, cost-effectiveness, and ease of deployment."
"It's very easy to manage and monitor it."
"The most valuable features include user time tracking and the ability to analyze application load times."
"The most valuable feature is the ability to customize dashboards based on my queries or any other customization I may need."
"It's beneficial for monitoring performance and infrastructure, especially when deploying applications with multiple versions with Git."
"The most beneficial aspect of Splunk APM is the ATM, which is the map displaying the inbound and outbound relationships of the microservices, as well as the traffic between these dependencies. This feature provides us with valuable insights and helps us understand the interactions between different microservices."
"Splunk's GUI and dashboard capacity are the most valuable features of Splunk Infrastructure Monitoring."
"It supports proactive management, enhances security, and improves operational efficiency."
"The product's deployment phase is good and very easy because it is done with OpenTelemetry for most of the parts."
"Splunk's dashboards are great."
 

Cons

"Adding application performance monitoring to the product alongside infrastructure monitoring would make it a more complete and useful solution."
"In future iterations of this solution, there is a desire for more seamless integration with other monitoring software."
"Nagios Fusion should include a 'remember me' option when logging in, so we don't need to enter a username and password every time."
"There are some bugs, although not that many. There are some situations where the solution is not stable but the number of problems is not very high."
"I've been using the Splunk query language, and it can be a bit time-consuming to set up the queries I need."
"This solution is difficult to configure and the instructions are complex."
"In Splunk Observability Cloud, I notice room for improvement in synthetic monitoring. It does not provide output based on server names."
"There are always areas for potential improvement to enhance its functionality and user experience."
"There is not a lot of support for the tool's on-premises version, especially since everything is on the cloud."
"The cost needs to be re-examined. It's extremely expensive to run. It's also expensive to expand. That's the number one complaint all of my customers have when it comes to Splunk. It's way too expensive compared to other solutions."
"Splunk APM's performance could be improved - at the moment, it's very slow and takes forever to give me what I want."
"Regarding dashboard customization, while Splunk has many dashboard building options, customers sometimes need to create specific dashboards, particularly for applicative metrics such as Java and process terms. These categories of dashboards would be very helpful for customers."
 

Pricing and Cost Advice

"The pricing is quite reasonable, especially when compared to the broader market."
"Splunk offers a 14-day free trial and after that, we have to pay but the cost is reasonable."
"The solution's pricing is competitive. I rate the solution's pricing a seven out of ten. The price of the solution could be cheaper."
"I would rate the price of Splunk Infrastructure Monitoring as an eight out of ten, with ten being the most expensive."
"It appears to be expensive compared to competitors."
"The pricing is based on several factors, including the scale of deployment."
"Splunk APM is expensive."
"The price of Splunk APM is less than some of its competitors."
"I am not in that circle, but we are currently licensing based on our queries. That is working out for us. Previously, it was by volume of data, and now, we can store as much data as we want."
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Top Industries

By visitors reading reviews
No data available
Financial Services Firm
17%
Computer Software Company
15%
Government
7%
Retailer
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Nagios Fusion?
Nagios Fusion version 12.8 excels in user-friendly GUI design, cost-effectiveness, and ease of deployment.
What needs improvement with Nagios Fusion?
In future iterations of this solution, there is a desire for more seamless integration with other monitoring software.
What do you like most about SignalFx?
The most valuable feature is dashboard creation.
What needs improvement with SignalFx?
Regarding dashboard customization, while Splunk has many dashboard building options, customers sometimes need to create specific dashboards, particularly for applicative metrics such as Java and pr...
What is your primary use case for SignalFx?
The solution involves observability in general, such as Application Performance Monitoring, and generally addresses digital applications, web applications, sites, and mobile applications. I worked ...
 

Also Known As

No data available
Splunk Infrastructure Monitoring, Splunk Real User Monitoring (RUM), Splunk Synthetic Monitoring
 

Overview

 

Sample Customers

NuBlue, St.Elisabeth Hospital, Akamit Systems, National Radio Astronomy Observatory, ValueClick, Sunrise Banks
Sunrun, Yelp, Onshape, Tapjoy, Symphony Commerce, Chairish, Clever, Grovo, Bazaar Voice, Zenefits, Avalara
Find out what your peers are saying about Nagios Fusion vs. Splunk Observability Cloud and other solutions. Updated: June 2025.
859,533 professionals have used our research since 2012.