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Amazon OpenSearch Service 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

Amazon OpenSearch Service
Ranking in Application Performance Monitoring (APM) and Observability
24th
Average Rating
7.2
Reviews Sentiment
7.2
Number of Reviews
6
Ranking in other categories
Log Management (22nd)
Splunk Observability Cloud
Ranking in Application Performance Monitoring (APM) and Observability
8th
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
56
Ranking in other categories
Network Monitoring Software (6th), IT Infrastructure Monitoring (7th), Cloud Monitoring Software (8th), Container Management (7th), Digital Experience Monitoring (DEM) (2nd)
 

Mindshare comparison

As of August 2025, in the Application Performance Monitoring (APM) and Observability category, the mindshare of Amazon OpenSearch Service is 2.1%, up from 0.3% compared to the previous year. The mindshare of Splunk Observability Cloud is 2.0%, up from 0.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Performance Monitoring (APM) and Observability
 

Featured Reviews

Johnny Suleiman - PeerSpot reviewer
Scalability is a key feature as it allows easy scaling of the platform without downtime
OpenSearch is used as a search engine for specific logs, mainly in e-commerce and monitoring the logs themselves. It is very valuable for e-commerce, enabling data analysis on application logs and customer behavior, and can be integrated with other services, including AI and machine learning…
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

"The business analytics capabilities are the most important feature it provides."
"We retrieve historical data with just a click of a button to move it from cold to hot or warm because it's already stored in the backend storage"
"The customer service is excellent, rated nine out of ten."
"Our customers have seen tangible benefits from Amazon OpenSearch Service, especially in terms of their applications running smoothly, so they do get a return on investment."
"Amazon OpenSearch Service provides a managed database solution, so we don't need to manage everything ourselves."
"I would definitely recommend Amazon OpenSearch Service to other professionals due to its fast and reliable search capabilities."
"This service already sorts data like vectors. They have classified the storage pre-defined."
"Amazon OpenSearch Service has enhanced our organization's ability to store and search large amounts of data efficiently."
"The solution's most valuable aspect is its ability to get information about all of the security measurements in my environment."
"It's a very easy-to-use solution."
"The feature I find most valuable, is the data integration."
"The initial setup of Splunk Real User Monitoring (RUM) was easy."
"Splunk's dashboards are great."
"It can monitor, get the data, and then report on the data."
"It is a great resource for us because we have so many different data sources and to be able to aggregate that and put it through a concise dashboard or an alert really helps."
"The ability to create custom dashboards is one of the best features and that's typically why most people deploy Splunk. Users can create dashboards for just about anything."
 

Cons

"One improvement I would like to see is support for auto-scaling."
"One improvement I would like to see is support for auto-scaling."
"They can enhance data visualization."
"In terms of data handling capabilities with Amazon OpenSearch Service, they can be complex and managing data in comparison to other SIM solutions is a major drawback, as it is very hard to handle the data."
"It would be beneficial to have some level of customization available in the managed service, tailored to the specific use cases of the end users."
"The price is fair yet leans towards the expensive side. I'd rate it five out of ten with respect to capabilities vs. cost."
"We faced documentation challenges during integration after migrating from Elasticsearch to Amazon OpenSearch Service. Better documentation on integration, query handling, and a more user-friendly UI could enhance the product."
"The pricing aspect is a concern. The service is way too costly. For the past month, I used only 30 to 40 MB of data, and the cost was $500. AWS could improve pricing."
"There is not a lot of support for the tool's on-premises version, especially since everything is on the cloud."
"They do not have all the features that I expect right now."
"The end-to-end visibility is lacking because Splunk cannot directly monitor network devices."
"The dashboards are used mainly to visualize information about the infrastructure, but it isn't easy to construct or use the dashboards. While we tried to resolve the issue by calling support, it would be easier if they had an AI co-pilot to identify the problem and help you solve it."
"The initial setup of Splunk Real User Monitoring (RUM) was easy. The solution is deployed on-premises."
"Splunk APM should include a better correlation between resources and infrastructure monitoring."
"There are always areas for potential improvement to enhance its functionality and user experience."
"The solution should have more sensors regarding fiber intelligence for security measures."
 

Pricing and Cost Advice

Information not available
"It is expensive."
"I would rate the price of Splunk Infrastructure Monitoring as an eight out of ten, with ten being the most expensive."
"The product is a bit expensive considering the competition but the company may negotiate the price."
"Splunk Observability Cloud is expensive."
"Splunk has been fairly expensive, but it has been predictable."
"Splunk offers a 14-day free trial and after that, we have to pay but the cost is reasonable."
"This is an expensive solution."
"The pricing is reasonable."
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Top Industries

By visitors reading reviews
Financial Services Firm
15%
Computer Software Company
14%
Manufacturing Company
9%
Government
6%
Financial Services Firm
16%
Computer Software Company
14%
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 Amazon OpenSearch Service?
We retrieve historical data with just a click of a button to move it from cold to hot or warm because it's already stored in the backend storage
What is your experience regarding pricing and costs for Amazon OpenSearch Service?
I would consider the pricing as a six based on how much data we are handling; if we handle minimal data, it's cheap, but for large data, it becomes costly. Our clients usually pay between $1,000 to...
What needs improvement with Amazon OpenSearch Service?
In terms of data handling capabilities with Amazon OpenSearch Service, they can be complex and managing data in comparison to other SIM solutions is a major drawback, as it is very hard to handle t...
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

Information Not Available
Sunrun, Yelp, Onshape, Tapjoy, Symphony Commerce, Chairish, Clever, Grovo, Bazaar Voice, Zenefits, Avalara
Find out what your peers are saying about Amazon OpenSearch Service vs. Splunk Observability Cloud and other solutions. Updated: July 2025.
864,053 professionals have used our research since 2012.