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Amazon OpenSearch Service vs Splunk Observability Cloud comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Feb 6, 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
35th
Average Rating
7.8
Reviews Sentiment
7.5
Number of Reviews
5
Ranking in other categories
Log Management (30th)
Splunk Observability Cloud
Ranking in Application Performance Monitoring (APM) and Observability
11th
Average Rating
8.4
Reviews Sentiment
7.4
Number of Reviews
50
Ranking in other categories
IT Infrastructure Monitoring (9th), Cloud Monitoring Software (9th), Container Management (8th)
 

Mindshare comparison

As of April 2025, in the Application Performance Monitoring (APM) and Observability category, the mindshare of Amazon OpenSearch Service is 1.7%, up from 0.0% compared to the previous year. The mindshare of Splunk Observability Cloud is 1.0%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Performance Monitoring (APM) and Observability
 

Featured Reviews

VijayKumar27 - PeerSpot reviewer
Effective as a vector store, serverless architecture but there aren't enough security features
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. Even being serverless, it incurs charges during idle times. For just holding data, you need to create a list. AWS should add an option to make data idle, so it won't include computing charges. They charge for OCU units based on the time the serverless solution is up, not on indexing or retrieval speed. Once the service starts, it starts getting billed. It would help if there were an option to limit computing. When using it as a database, storing data without frequent fetching would save computing costs.
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

"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"
"Amazon OpenSearch Service provides a managed database solution, so we don't need to manage everything ourselves."
"Amazon OpenSearch Service has enhanced our organization's ability to store and search large amounts of data efficiently."
"The customer service is excellent, rated nine out of ten."
"This service already sorts data like vectors. They have classified the storage pre-defined."
"The business analytics capabilities are the most important feature it provides."
"I would definitely recommend Amazon OpenSearch Service to other professionals due to its fast and reliable search capabilities."
"Once configured correctly, the analysis reporting the Splunk APM provides is better than that of the other APM tools."
"It can monitor, get the data, and then report on the data."
"The most valuable feature in this solution is the log searching."
"I find the monitoring console very helpful. With one click, I can see how we are performing, and at the same time, I can see what data is flowing."
"Splunk's dashboards are great."
"It is a good tool. It allows you to set alerts for application and infrastructure monitoring, and it allows you to create dashboards."
"The initial setup was straightforward. We didn't find it to be too complex."
"The features are pretty much ready out of the box."
 

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."
"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."
"They can enhance data visualization."
"Splunk's functionality could be improved by adding database connectors for other platforms like AWS and Azure."
"Splunk isn't an ideal tool for application performance management due to the extensive setup required."
"The end-to-end visibility is lacking because Splunk cannot directly monitor network devices."
"We never had any issues when it comes to the type of use cases we are using it for. We did not need more advancement on it, but I know that, in general, everything can be updated. There are tiny little tweaks that can be made regardless of whether it looks better or has a different flow to it than it does right now, but it works pretty well for what we use it for."
"There are always areas for potential improvement to enhance its functionality and user experience."
"This solution is difficult to configure and the instructions are complex."
"It would be useful if they provided some help pages. If you don't know too much about the tool, there should be more documentation readily available. It would be useful if they had a help button embedded in the solution so you could ask questions and get answers."
"The UI enhancements could be a way to improve the solution in the future."
 

Pricing and Cost Advice

Information not available
"This is an expensive solution."
"The pricing is reasonable."
"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."
"Splunk APM is a very cost-efficient solution."
"Splunk offers a 14-day free trial and after that, we have to pay but the cost is reasonable."
"It appears to be expensive compared to competitors."
"The solution's pricing is costly."
"Licensing cost is the biggest argument I get from those divesting from Splunk. There are those within our organization who say we are going to go to other tools since Splunk is too expensive."
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Top Industries

By visitors reading reviews
Financial Services Firm
15%
Computer Software Company
15%
Manufacturing Company
8%
Comms Service Provider
5%
Financial Services Firm
17%
Computer Software Company
15%
Manufacturing Company
8%
Retailer
8%
 

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?
Amazon OpenSearch Service is a bit costly compared to self-hosted Elasticsearch due to the managed service pricing.
What needs improvement with Amazon OpenSearch Service?
One improvement I would like to see is support for auto-scaling. The current configuration does not support automatic scaling based on server load, requiring us to manage the scaling manually. Addi...
What do you like most about SignalFx?
The most valuable feature is dashboard creation.
What needs improvement with SignalFx?
There is room for improvement in the alerting system, which is complicated and has less documentation available. We sometimes encountered issues in setting up alerts. The custom detector could be m...
What is your primary use case for SignalFx?
The main purpose of using Splunk APM is to optimize our application. We use Splunk APM primarily to understand how the application works, how it uses resources, and its response time in connection ...
 

Also Known As

No data available
Splunk Infrastructure 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: March 2025.
845,406 professionals have used our research since 2012.