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Prometheus Group vs Splunk Real User Monitoring (RUM) comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 3, 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
9th
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
39th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
2
Ranking in other categories
Digital Experience Monitoring (DEM) (11th)
 

Mindshare comparison

As of April 2025, in the Application Performance Monitoring (APM) and Observability category, the mindshare of Prometheus Group is 3.4%, down from 3.6% 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 product’s scalability is valuable."
"It is highly valuable as it serves as the foundation for our infrastructure monitoring tools."
"The most valuable features of the solution are metrics scraping capabilities and the open source community and support."
"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 scalable and flexible tool that I can deploy on any cloud platform."
"It has lots of APIs and libraries to integrate with any kind of language."
"Prometheus is an open-source product that helps mold and improve it per our requirements. It is a lightweight solution that gives you many different metrics you can use in your application. The product offers complete granularity of your infrastructure. It integrates seamlessly with other tools like Grafana, which offers dashboard visibility. Prometheus is an extensively used product. I haven't seen any organization that is not using it."
"The product's initial setup phase is very easy."
"The most valuable features include user time tracking and the ability to analyze application load times."
"The initial setup of Splunk Real User Monitoring (RUM) was easy."
"The most valuable features include user time tracking and the ability to analyze application load times."
 

Cons

"The query language in Prometheus is an area of concern where improvements are required."
"Improvements could be made to the user interface."
"The alert functionality is kind of lackluster."
"Its stability could be even better."
"Prometheus can definitely improve its visualization. For example, the matrices represented in Prometheus do not have a very good visualization on their dashboard."
"There is a need for a more comprehensive overview of exporters, especially when dealing with many of them."
"The product must improve its documentation."
"Setting up the rules in Prometheus can be confusing, making it an area where improvements are required."
"The initial setup of Splunk Real User Monitoring (RUM) was easy. The solution is deployed on-premises."
"There is room for improvement in customer support due to delays and standard feedback responses."
"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."
 

Pricing and Cost Advice

"Prometheus is an open-source tool."
"Prometheus is an open-source solution."
"The product is expensive compared to Datadog."
"Prometheus is an open-source solution."
"The solution is free of cost."
"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."
"Prometheus is available as an open-source product."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
25%
Computer Software Company
15%
Manufacturing Company
7%
Government
6%
Computer Software Company
26%
Financial Services Firm
14%
Retailer
12%
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: April 2025.
849,686 professionals have used our research since 2012.