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Prometheus Group vs Splunk Real User Monitoring (RUM) comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jun 8, 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

Prometheus Group
Ranking in Application Performance Monitoring (APM) and Observability
10th
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
34
Ranking in other categories
No ranking in other categories
Splunk Real User Monitoring...
Ranking in Application Performance Monitoring (APM) and Observability
37th
Average Rating
8.6
Reviews Sentiment
6.7
Number of Reviews
3
Ranking in other categories
Digital Experience Monitoring (DEM) (11th)
 

Mindshare comparison

As of June 2025, in the Application Performance Monitoring (APM) and Observability category, the mindshare of Prometheus Group is 3.2%, down from 3.7% compared to the previous year. The mindshare of Splunk Real User Monitoring (RUM) is 0.4%, up from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Performance Monitoring (APM) and Observability
 

Featured Reviews

MuhammadAzhar Khan - PeerSpot reviewer
Free to use and provides valuable monitoring capabilities
Prometheus is a scalable and flexible tool that I can deploy on any cloud platform. It is free to use and provides valuable monitoring capabilities. It allows me to save money by avoiding costs associated with AWS native services like CloudWatch or Amazon Prometheus. The ability to deploy on any cloud platform or environment, including Kubernetes, is a major advantage.
Sathis-Kumar - PeerSpot reviewer
Seamless issue detection with user time tracking and application load analysis
We primarily use Splunk Real User Monitoring to analyze performance bottlenecks and application transactions. It allows us to see how applications are experienced on the user side, making it easy to capture any bottlenecks or performance issues The most valuable features include user time…

Quotes from Members

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

Pros

"The solution offers an easy way to install and scratch values."
"Prometheus gives us high availability automatically."
"The product’s scalability is valuable."
"The resilience of the solution's metric collection is very nice."
"It is a stable solution...Based on the feedback I have received from my colleagues in our company's IT department, the setup phase of the solution is relatively easy."
"Prometheus is a great solution for monitoring."
"The most valuable feature of Prometheus is the ease of pulling the metrics."
"The good thing is it integrates well with the Grafana dashboard. It comes with a UI where you see everything as a graph."
"The most valuable features include user time tracking and the ability to analyze application load times."
"The most valuable features include user time tracking and the ability to analyze application load times."
"Splunk Real User Monitoring (RUM) has one great advantage in that if they have SAP users, they can monitor their SAP applications."
"The initial setup of Splunk Real User Monitoring (RUM) was easy."
 

Cons

"The interface is not particularly user-friendly and that could be improved."
"Prometheus has a learning curve when setting it up. It definitely requires a little bit more hands-on than other solutions. It is an open source solution which means you do need to go through and read the literature that they have online for setting it up. The setup could be made easier."
"The initial setup of Prometheus is complex and rated one out of five in ease of setup."
"When it comes to deployment, if you have no experience with something like a CI/CD pipeline, it might be a challenge."
"The scalability must be improved."
"If you are not quite technical, it can be pretty hard to understand the way it works and how to query data in Prometheus."
"The simplicity of the query language could be improved. The current query language is not easy to work with."
"Prometheus requires improvement on the query side."
"It would be beneficial to have more enhanced features with capabilities to adapt more integrated applications. Improvements in dashboard configuration, customization, and artificial intelligence functionalities are desired."
"The initial setup of Splunk Real User Monitoring (RUM) was easy. The solution is deployed on-premises."
"Support from Splunk is not very helpful because Splunk doesn't have a dedicated APM; they only have one APM engineer in Korea."
"There is room for improvement in customer support due to delays and standard feedback responses."
 

Pricing and Cost Advice

"This is an open-source solution."
"Prometheus is an open-source tool."
"The price of Prometheus is good, it is affordable because it is open source and there is no cost to it. You put it on your own server and the costs incurred completely depend on how you set it up."
"The solution is open source."
"The solution is free of cost."
"The tool is open-sourced."
"Prometheus is an open-source solution."
"We use the solution's open-source version."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
25%
Computer Software Company
15%
Manufacturing Company
6%
Government
6%
Computer Software Company
26%
Financial Services Firm
13%
Retailer
10%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Prometheus?
The most valuable feature of Prometheus is its ability to collect metrics.
What is your experience regarding pricing and costs for Prometheus?
Prometheus is cost-effective for me as it is free. Using cloud-native alternatives like Amazon Prometheus would incur charges.
What is your primary use case for Prometheus?
I use Prometheus for monitoring purposes in IT infrastructure. It is particularly useful for environments using Kubernetes, as it monitors ports, containers, instances, and applications effectively.
What do you like most about Splunk Real User Monitoring (RUM)?
The initial setup of Splunk Real User Monitoring (RUM) was easy.
What needs improvement with Splunk Real User Monitoring (RUM)?
It would be beneficial to have more enhanced features with capabilities to adapt more integrated applications. Improvements in dashboard configuration, customization, and artificial intelligence fu...
What is your primary use case for Splunk Real User Monitoring (RUM)?
We primarily use Splunk Real User Monitoring to analyze performance bottlenecks and application transactions. It allows us to see how applications are experienced on the user side, making it easy t...
 

Overview

Find out what your peers are saying about Prometheus Group vs. Splunk Real User Monitoring (RUM) and other solutions. Updated: June 2025.
856,873 professionals have used our research since 2012.