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NETSCOUT vSTREAM vs Splunk Observability Cloud comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 29, 2026

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

NETSCOUT vSTREAM
Ranking in Network Monitoring Software
86th
Average Rating
8.0
Number of Reviews
3
Ranking in other categories
No ranking in other categories
Splunk Observability Cloud
Ranking in Network Monitoring Software
7th
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
88
Ranking in other categories
Application Performance Monitoring (APM) and Observability (6th), IT Infrastructure Monitoring (7th), Cloud Monitoring Software (5th), Container Management (6th), Digital Experience Monitoring (DEM) (3rd)
 

Mindshare comparison

As of June 2026, in the Network Monitoring Software category, the mindshare of NETSCOUT vSTREAM is 0.4%, up from 0.3% compared to the previous year. The mindshare of Splunk Observability Cloud is 1.3%, up from 0.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Mindshare Distribution
ProductMindshare (%)
Splunk Observability Cloud1.3%
NETSCOUT vSTREAM0.4%
Other98.3%
Network Monitoring Software
 

Featured Reviews

KL
Network Engineer at Inniti Network Solution
A user-friendly solution that is easy to install and improves visibility
I would like to see improvements made to the user guide. From my personal experience, it is helpful to see a list of steps describing what to do next in different situations. An example is what to do and what to back up in the case of certain types of failure. There are also cases where a customer can't understand specific features. Enhancements to the user guide would be helpful for this. More features for network fragmentation would be helpful.
PK
Project Manager at AGRICULTURE SKILL COUNCIL OF INDIA (ASCI)
Unified observability has improved real-time governance and now drives data-led decisions
Log Observer Connect is embedded here, but we are facing some delays in centralized log collection and analysis, which can be further fastened. We are collecting all the data metrics and decision-making insights, but all these data-driven decisions coming from different applications are not connected somewhere. A consolidated form or correlation of these insights is not happening between each other due to which we feel we are missing something significant. Some generalized feedback includes that predictive alerts or alarms which can be integrated with AI-driven alarms and alerting features should be established so that there is AI-driven intelligence and anomaly detection happening with a complete systematic process in service delivery. Application dependencies are huge, and business and operational dashboards should be improved. Right now there are very interactive custom dashboards, and every now and then, the personalization of enhancements keeps happening. KPI monitoring, executive reporting, and analytics have definitely been introduced to a great extent. There are few things in cloud-native monitoring, such as integration with AWS and Azure, where we sometimes do face lags. Those things can definitely be improved upon. I have used Datadog and Dynatrace before using Splunk Observability Cloud. Datadog was definitely recommended by most of our peers because of its very strong comprehensive observability and very strong and unique dashboard systems. Dynatrace was also very good because they have offered a lot of AI-driven analysis methods and processes, which was helping our organization a lot. Since our organization has a very strong IT ecosystem for agriculture, very different kinds of customized things are required.

Quotes from Members

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

Pros

"vSTREAM gives us better visibility and reporting about our network infrastructure, allowing for cost-optimization."
"The generation of KPI-like information that feeds to the nGeniusONE (management) server is the most valuable feature."
"Sometimes it took a month to troubleshoot something that we can now do within days."
"One of the valuable features is the packet decoding."
"Detectors are a powerful feature."
"Previously, we faced a systematic performance lag of around twenty to thirty percent, which has now reduced to just two to five percent—an improvement we can credibly showcase to our clientele."
"Splunk's GUI and dashboard capacity are the most valuable features of Splunk Infrastructure Monitoring."
"Once configured correctly, the analysis reporting the Splunk APM provides is better than that of the other APM tools."
"The data collection from our VMs, containers, databases, and backend components is valuable."
"The tool's stability is great."
"The most valuable feature is log reporting."
"The solution is stable and reliable."
 

Cons

"I would like to see improvements made to the user guide."
"Room for improvement exists in filtering in the packet decode."
"I would like for it to have a smaller footprint of the virtual appliance and better performance."
"The stability is okay, but sometimes we see that the memory on the server is not 100 percent correct and we need to stop and start the software to have it reallocated again."
"I would say that this is not a scalable solution."
"I would like to see a very detailed tutorial about it and how any newcomer can be able to use it."
"They need more EDR functionalities."
"The main improvement I would suggest for Splunk Observability Cloud would be offering the ability to implement custom apps, specifically allowing Python scripts that Splunk Cloud could host."
"In terms of pricing, I have one issue with Splunk Observability Cloud; in a large-scale organization, it does not have features such as cost optimization or budgeting for observability spend."
"There's a lot of talk about AI-powered analytics and guidance in Splunk Observability Cloud. I didn't get a great sense of how much of it is actually working; there are a lot of AI hallucinations."
"The end-to-end visibility is lacking because Splunk cannot directly monitor network devices."
"Splunk APM should include a better correlation between resources and infrastructure monitoring."
"The price of this solution is very high and can be improved."
 

Pricing and Cost Advice

"Licensing is quite expensive."
"Splunk Infrastructure Monitoring is an expensive solution."
"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."
"The solution's pricing is competitive. I rate the solution's pricing a seven out of ten. The price of the solution could be cheaper."
"Splunk offers a 14-day free trial and after that, we have to pay but the cost is reasonable."
"Splunk Observability Cloud is expensive."
"Splunk has been fairly expensive, but it has been predictable."
"Splunk APM is expensive."
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Top Industries

By visitors reading reviews
Construction Company
19%
Energy/Utilities Company
14%
Financial Services Firm
13%
Retailer
6%
Financial Services Firm
13%
Manufacturing Company
9%
Computer Software Company
8%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business32
Midsize Enterprise8
Large Enterprise55
 

Questions from the Community

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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 ...
What advice do you have for others considering SignalFx?
We're a customer and end-user. Currently, in France, we cannot use the artificial intelligence option. While this option is enabled for the United States and many countries, it's not yet available ...
 

Also Known As

vSTREAM
Splunk Infrastructure Monitoring, Splunk Real User Monitoring (RUM), Splunk Synthetic Monitoring
 

Overview

 

Sample Customers

Metropolitan Police Agency, Banpara, PropertyRoom.com
Sunrun, Yelp, Onshape, Tapjoy, Symphony Commerce, Chairish, Clever, Grovo, Bazaar Voice, Zenefits, Avalara
Find out what your peers are saying about NETSCOUT vSTREAM vs. Splunk Observability Cloud and other solutions. Updated: June 2026.
900,644 professionals have used our research since 2012.