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Prometheus vs Splunk Real User Monitoring (RUM) comparison

 

Comparison Buyer's Guide

Executive Summary

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
Ranking in Application Performance Monitoring (APM) and Observability
8th
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 February 2025, in the Application Performance Monitoring (APM) and Observability category, the mindshare of Prometheus is 3.4%, down from 3.5% compared to the previous year. The mindshare of Splunk Real User Monitoring (RUM) is 0.3%, up from 0.1% 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

"It is an efficient solution."
"Prometheus is a great solution for monitoring."
"Prometheus is a scalable and flexible tool that I can deploy on any cloud platform."
"The most valuable features of Prometheus are the many functions available. The functions are helpful for understanding the behavior of applications and infrastructure."
"The most valuable features of Prometheus for metrics collection and monitoring are its stability, robustness, and rich set of features."
"The feature I found most valuable is the number of integrations. It is the industry standard for metrics."
"The best thing about Prometheus is its integration."
"The sky is the limit because the solution is a flexible open box that can be used vastly to do anything you need to monitor applications."
"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 simplicity of the query language could be improved. The current query language is not easy to work with."
"The product must improve its documentation."
"The UI and GUI are areas of concern in the product."
"Setting up the rules in Prometheus can be confusing, making it an area where improvements are required."
"One potential area for improvement would be fixing the occasional glitches and bugs."
"Prometheus' UI color can improve. Using the Prometheus UI for configuration or analyzing queries is a horrible experience."
"The scalability must be improved."
"There is a tool called Prometheus Exporter that doesn't work well."
"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

"We use the solution's open-source version."
"Prometheus is an open-source solution."
"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 tool is open-sourced."
"The product is free."
"This is an open-source solution."
"The product is expensive compared to Datadog."
"Prometheus is an open-source tool."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
26%
Computer Software Company
15%
Manufacturing Company
7%
Government
6%
Computer Software Company
23%
Financial Services Firm
17%
Retailer
15%
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 vs. Splunk Real User Monitoring (RUM) and other solutions. Updated: January 2025.
838,640 professionals have used our research since 2012.