Gremlin Reliability Management Platform vs Splunk AppDynamics comparison

Gremlin Reliability Management Platform vs. Splunk AppDynamics

April 2026

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Review summaries and opinions

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

ROI

Sentiment score

6.7

Gremlin Platform cut testing staff, reduced errors, improved uptime, and increased efficiency with 30% fewer production issues.

Sentiment score

5.6

Splunk AppDynamics boosted productivity, improved software quality, reduced costs, and enhanced customer satisfaction, especially benefiting the banking sector.

We are seeing a return on investment from using Gremlin Reliability Management Platform because we are getting less production issues by thirty percent, as I mentioned earlier, making it a great investment.

DEVOPS specialist at a media company with 10,001+ employees

We do not need to look at all the day's metrics on Grafana dashboards; we run our chaos experiments in a production environment to see how reliable our product or service is.

DevOps & Mlops Engineer at a printing company with 1-10 employees

If we needed ten people to do tests once upon a time, now, using Gremlin Reliability Management Platform, we can do it with a fifty percent reduction in employees.

For more quotes and insights, download the Gremlin Reliability Management Platform report

Senior Software Engineer at a sports company with 10,001+ employees

Overall, as a production gatekeeper, we achieve at least 50% efficiency immediately, with potential savings ranging from 60 to 70% as well, reinforcing why it is a popular tool in the banking industry.

DevendraKumar1

Technology lead at Infosys

According to errors, exceptions, and code-level details related to their application performance on a daily basis, the application development team tries to help with Splunk AppDynamics to reduce errors and exceptions, which helps the end users get application availability and feel more confident.

For more quotes and insights, download the Splunk AppDynamics report

Back office at Reliance Industries Ltd

To understand the magnitude of it, when the company asked to replace Splunk AppDynamics with another tool, I indicated that for the proposed tool, we would need five people to do the analysis that Splunk AppDynamics enables me to do.

Konstantinos Michailidis

Digital Performance Tester at Amdocs

Customer Service

Sentiment score

8.4

Gremlin's customer support is highly praised for responsiveness, effective solutions, and valuable subscription models, enhancing overall customer satisfaction.

Sentiment score

7.0

Splunk AppDynamics offers responsive, knowledgeable support; most users praise quick resolutions and technical availability, though some see improvement needed.

When I have questions or run into issues with Gremlin Reliability Management Platform, their support team is helpful and responsive.

DevOps & Mlops Engineer at a printing company with 1-10 employees

The expert partnership model is a significant strength I can suggest for Gremlin Reliability Management Platform.

Ravi Konduru

VP Global at a tech vendor with 10,001+ employees

The customer support for Gremlin Reliability Management Platform is good overall.

For more quotes and insights, download the Gremlin Reliability Management Platform report

DEVOPS specialist at a media company with 10,001+ employees

AppDynamics is much more helpful.

Eduardo Gallardo

Director of Technical Part at NOS SGPS

We got a contact, an account manager, to work directly with for technical support.

NagadevanMuthusamy

Performance Engineer at a pharma/biotech company with 10,001+ employees

They help us resolve any issues raised by our team relating to operations, application instrumentation, or any other issues.

For more quotes and insights, download the Splunk AppDynamics report

Back office at Reliance Industries Ltd

Scalability Issues

Sentiment score

7.7

Gremlin's platform scales well on AWS and GCP, smoothly supporting chaos experiments and larger teams with positive user experiences.

Sentiment score

7.2

Splunk AppDynamics is praised for scalability and reliability, though costs and specific configuration challenges exist for growing firms.

Gremlin Reliability Management Platform scales smoothly for running more chaos experiments, adding more services, or supporting a larger team.

DevOps & Mlops Engineer at a printing company with 1-10 employees

More than scalability, I thought about availability because it is a really important thing of the architecture tools.

Dev Ops To Development (IT) at a non-tech company with self employed

The scalability of Gremlin Reliability Management Platform depends on the scalability of the underlying infrastructure that we are hosting it on.

For more quotes and insights, download the Gremlin Reliability Management Platform report

Senior Software Engineer at a sports company with 10,001+ employees

We have reached maximum capacity in our tier, and extending capacity has not been cost-effective from Splunk's perspective.

reviewer2674446

Senior Principal, Enterprise Architect at a computer software company with 201-500 employees

I would rate the scalability of Splunk AppDynamics as a nine out of ten.

Konstantinos Michailidis

Digital Performance Tester at Amdocs

I assess how Splunk AppDynamics scales with the growing needs of my organization as good, since we are growing and adding more servers.

reviewer2756163

Development Operations Engineer at a retailer with 10,001+ employees

For more quotes and insights, download the Splunk AppDynamics report

Stability Issues

Sentiment score

9.2

The Gremlin Reliability Management Platform is praised for its stability and reliability, with users highlighting its dependable performance.

Sentiment score

7.8

Splunk AppDynamics is highly regarded for its reliable and stable performance, efficiently monitoring applications with minimal issues.

I have not seen any downtime or issues with its behavior or performance.

For more quotes and insights, download the Gremlin Reliability Management Platform report

Senior Software Engineer at a sports company with 10,001+ employees

It is necessary to conduct appropriate testing before deploying them in production to prevent potential outages.

reviewer2674446

Senior Principal, Enterprise Architect at a computer software company with 201-500 employees

There are no issues or bugs with the 20.4 version; it is very stable with no functionality or operational issues.

For more quotes and insights, download the Splunk AppDynamics report

Back office at Reliance Industries Ltd

Splunk AppDynamics is superior to any alternative, including Dynatrace.

DevendraKumar1

Technology lead at Infosys

Room For Improvement

The Gremlin Reliability Platform requires AI enhancements, better integration, user-friendly features, and more educational resources to improve usability and value.

Splunk AppDynamics requires user interface updates, improved monitoring and integrations, simpler pricing, and enhanced documentation to satisfy users.

I think it would be useful to have some integration with Splunk or other log collectors, or maybe in the future, the ability to link Dynatrace or any other observability platform.

Dev Ops To Development (IT) at a non-tech company with self employed

If we can integrate it with natural language, could we talk to Gremlin Reliability Management Platform and have it configure some of the basic settings so that non-technical persons can also work on Gremlin Reliability Management Platform-like tools?

DEVOPS specialist at a media company with 10,001+ employees

The user interface is great, the integration is smooth, and Gremlin Reliability Management Platform has a fantastic support team that helps us a lot in many cases.

For more quotes and insights, download the Gremlin Reliability Management Platform report

DevOps & Mlops Engineer at a printing company with 1-10 employees

Splunk AppDynamics does not support the complete MELT framework, which includes metrics, events, logging, and tracing for the entire stack.

reviewer2674446

Senior Principal, Enterprise Architect at a computer software company with 201-500 employees

AI could provide more insights for annual or half-yearly reports and forecast future changes in the asset landscape.

Ahmed-KASSAB

Senior Delivery Manager at GE Vernova

Functionality-wise, I would like to see more cognitive solutions in Splunk AppDynamics, ideally with a single agent that can implement policies and provide predictive insights regarding application performance degradation during peak times.

Rajkumar ReghuVarma

Technology Architect at a tech vendor with 1,001-5,000 employees

For more quotes and insights, download the Splunk AppDynamics report

Setup Cost

Enterprise buyers find Gremlin costly yet valuable for large-scale systems, though pricing and dashboard clarity vary by company.

Splunk AppDynamics is seen as expensive but valuable for advanced monitoring, with costs varying by company and features used.

It is not so cheap, but it has very powerful features.

Dev Ops To Development (IT) at a non-tech company with self employed

From a pricing standpoint of view regarding Gremlin Reliability Management Platform, I would say it is a bit expensive, but that expense is worth it given the kind of benefits it offers.

Ravi Konduru

VP Global at a tech vendor with 10,001+ employees

My role does not incur costs for us since we have an NFR for Gremlin Reliability Management Platform that we can use in our case.

For more quotes and insights, download the Gremlin Reliability Management Platform report

DevOps & Mlops Engineer at a printing company with 1-10 employees

We completed a three-year deal for Splunk and for AppDynamics, which costs millions of dollars.

reviewer2756163

Development Operations Engineer at a retailer with 10,001+ employees

Overall, I consider Splunk AppDynamics an expensive product; it's very expensive.

Per Eklund

Manager, System Scom at Handelsbanken

The resource team finds the best prices, ensuring that Splunk AppDynamics is an acceptable option for the end user.

Ahmed-KASSAB

Senior Delivery Manager at GE Vernova

For more quotes and insights, download the Splunk AppDynamics report

Valuable Features

Gremlin's platform improves reliability with automated tests, failure simulations, risk detection, flexibility, and measurable infrastructure resilience.

Splunk AppDynamics offers transaction tracing, real-time monitoring, and AI insights for enhanced application performance and user experience.

There are really two pathways along: fewer incidents because with Gremlin Reliability Management Platform, we can make every part of the infrastructure more solid, and less downtime because we can test more architectures and then things like how to put in high availability clusters.

Dev Ops To Development (IT) at a non-tech company with self employed

We fix failures even before they occur, which is basically proactive risk detection and risk mitigation.

Ravi Konduru

VP Global at a tech vendor with 10,001+ employees

The best feature that Gremlin Reliability Management Platform offers for me is the prebuilt reliability test; I think that is the best feature along with the automated scheduling.

For more quotes and insights, download the Gremlin Reliability Management Platform report

DEVOPS specialist at a media company with 10,001+ employees

We have multiple tools, but end users prefer to use Splunk AppDynamics because their portal navigation is very simple and clear.

For more quotes and insights, download the Splunk AppDynamics report

Back office at Reliance Industries Ltd

The real user monitoring and digital experience monitoring effectively track actual user experience with the applications, including page loading, interaction time for both desktop and mobile applications.

Mohammed Hassan

Regional Director at iSecureMind Integrated Solutions

This is the best feature because, although you can't monitor a whole application at once, Splunk AppDynamics gives you the option that if there is any failure—simple failure regarding anything set up as per our use cases—you will get an alert.

DevendraKumar1

Technology lead at Infosys

Categories and Ranking

Gremlin Reliability Managem...

Ranking in Application Performance Monitoring (APM) and Observability

23rd

Ranking in IT Infrastructure Monitoring

25th

Average Rating

8.8

Reviews Sentiment

7.0

Number of Reviews

Ranking in other categories

DevSecOps (7th)

Splunk AppDynamics

Ranking in Application Performance Monitoring (APM) and Observability

3rd

Ranking in IT Infrastructure Monitoring

6th

Average Rating

8.2

Reviews Sentiment

6.6

Number of Reviews

268

Ranking in other categories

IT Operations Analytics (2nd), Mobile APM (1st), Container Monitoring (1st)

Mindshare comparison

As of May 2026, in the Application Performance Monitoring (APM) and Observability category, the mindshare of Gremlin Reliability Management Platform is 0.1%. The mindshare of Splunk AppDynamics is 4.2%, down from 4.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Application Performance Monitoring (APM) and Observability Mindshare Distribution
Product	Mindshare (%)
Splunk AppDynamics	4.2%
Gremlin Reliability Management Platform	0.1%
Other	95.7%

Application Performance Monitoring (APM) and Observability

Featured Reviews

Chaos experiments have revealed weak points and now provide controlled cost-saving tests

Senior Software Engineer at a sports company with 10,001+ employees

The best features of Gremlin Reliability Management Platform are the safe failure injection, which is crucial as we can simulate the failures in a manner that we know these are just dumping tests and not the actual issues. Whether it is the CPU spike or the memory exhaustion, or the network latency, or the server shutdown, server shutdown is one of the most favorite features that I have in Gremlin Reliability Management Platform. The controlled blast radius is another standout feature. The controlled blast radius feature has helped my team in that we actually wanted to target only one specific container, our Docker containers that we deployed. It helped us to conduct tests in a very specific, isolated manner instead of launching a larger test or focusing on hundreds of servers at a time, resulting in very limited impact. Since ours is a very small team, we do not want to impact other servers. This controlled blast radius helped us to only focus on our servers and not impact any other team. Gremlin Reliability Management Platform has positively impacted my organization because before Gremlin Reliability Management Platform, we did not even know how to conduct these chaos engineering tests. We heard about it, but we had no idea of how to do something of that nature. If there are ten servers, ten systems in our architecture and if suddenly something goes down, nobody knew what would happen next. We did not even know how to simulate these types of tests. This lack of confidence has been mitigated by using Gremlin Reliability Management Platform. Now we can confidently test and see which system is the most critical. If this goes down, what happens? How much business valuation are we going to impact? How much loss are we going to incur? All of this is now clearly visible and transparent. Since using Gremlin Reliability Management Platform, we were able to reduce the incidents by six percent after conducting our limited experiments. We were also able to increase the uptime from ninety-eight to ninety-nine, which represents a one percent increase in uptime.

Read full review

Shamim Alsharif

Performance Test Engineer at TANIM CONSULTING, LLC

Real-time monitoring has improved our banking API performance and supports detailed business transaction analysis

The real-time monitoring is what we can see for anything that is needed in terms of CPU, memory, or the connections or the sessions related. It's real-time monitoring of performance of each of the components, which is what we need and use all the time. It's highly effective, I would say. Infrastructure visibility, transaction monitoring, to check the actual user experience in terms of the response time, MRT and all those things. We do the component monitoring like the API performance and the connections and all those things, but we also do the business process monitoring and business transaction monitoring.

Read full review

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Top Industries

By visitors reading reviews

Printing Company

11%

Construction Company

11%

Financial Services Firm

10%

Sports Company

10%

Financial Services Firm

27%

Manufacturing Company

Computer Software Company

Comms Service Provider

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	3
Large Enterprise	6

By reviewers
Company Size	Count
Small Business	58
Midsize Enterprise	37
Large Enterprise	202

Questions from the Community

What needs improvement with Gremlin Reliability Management Platform?

There are certain areas where I think Gremlin Reliability Management Platform can improve. I would certainly add features related to AI and GenAI for recommendations. While dependency identificatio...

What is your primary use case for Gremlin Reliability Management Platform?

The primary reason I am using Gremlin Reliability Management Platform is to proactively test failures, identify weaknesses in my system, and fix them before real incidents actually occur. From a pr...

What advice do you have for others considering Gremlin Reliability Management Platform?

I would certainly suggest others venture into Gremlin Reliability Management Platform, as there is no second thought about it. However, I would not recommend jumping straight into production chaos....

Any advice about APM solutions?

There are many factors and we know little about your requirements (size of org, technology stack, management systems, the scope of implementation). Our goal was to consolidate APM and infra monitor...

What do you like most about AppDynamics?

The solution saves time and cost.

What is your experience regarding pricing and costs for AppDynamics?

I would rate the pricing an eight out of ten. The solution is highly expensive. Our company pays for the solution on a yearly basis, if we don't add new modules or features to the license, we need ...

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Product Reports

Gremlin Reliability Management Platform

May 2026

Gremlin Reliability Management Platform report

Download Gremlin Reliability Management Platform product report

Download Splunk AppDynamics product report

Splunk AppDynamics

April 2026

Overview

Gremlin Reliability Management Platform empowers organizations to proactively identify and mitigate potential failures. It enhances system resilience through controlled chaos engineering, aiding tech teams in delivering reliable services.

Designed for tech-savvy users, Gremlin enables teams to implement chaos engineering effectively to ensure system reliability. It offers precise control over variables, allowing teams to simulate real-world scenarios and fortify system operations. Gremlin plays a strategic role in preventing downtime and maintaining optimal service delivery through a suite of advanced tools tailored for IT infrastructure.

What are the most important features of Gremlin?

Attack Library: Offers diverse failure scenarios for comprehensive testing.
Security Control: Ensures safe execution of tests with access restrictions.
Detailed Reporting: Provides insights into system weaknesses and improvements.
API Access: Facilitates automation and integration with existing systems.

What benefits should users look for in reviews?

Increased Uptime: Improved system availability through proactive testing.
Cost Efficiency: Reduced need for corrective measures post-failure.
Team Collaboration: Enhances coordination among IT and operations teams.
Product Reliability: More robust and reliable service delivery to clients.

In industries such as e-commerce, finance, and healthcare, Gremlin helps maintain service reliability by identifying vulnerabilities before they affect operations. IT teams can simulate stress tests specific to their industry, ensuring systems are resilient against potential threats, enhancing customer satisfaction, and securing business continuity.

Gremlin

Splunk AppDynamics is a comprehensive performance monitoring tool providing end-to-end transaction tracking, real-time monitoring, and a user-friendly interface. With AI-powered features, it enhances operational efficiency and resilience by offering insights into user interactions and infrastructure issues.

Splunk AppDynamics excels in monitoring applications and infrastructure performance, offering extensive support across environments like AWS and cloud. It aids in application performance monitoring, end-user experience, database analysis, and proactive incident detection. Supporting Java, .NET, and other technologies, it provides real-time insights into application health, resource utilization, and transaction tracking, ensuring reliable user experiences. Challenges remain in UI complexity, agent-based architecture, integration with diverse environments, and documentation clarity. Its licensing model is costly, and customer support may be slow. Performance concerns exist in historical data granularity and network visibility.

What features make Splunk AppDynamics stand out?

End-to-End Transaction Tracking: Monitors entire user transactions for comprehensive visibility.
Real-Time Monitoring: Provides instant insights into system performance.
AI-Powered Anomaly Detection: Identifies anomalies with advanced machine learning techniques.
Code-Level Troubleshooting: Diagnoses issues at the code level for precise fixes.
Business Transaction Visibility: Offers detailed views into transaction flow across all system layers.

What benefits and ROI can users expect from Splunk AppDynamics?

Improved Application Performance: Enhances system efficiency and reliability.
Operational Efficiency: Streamlines monitoring and issue resolution processes.
Enhanced Business Resilience: Strengthens the ability to adapt to performance challenges.
Seamless User Experiences: Ensures uninterrupted service and user satisfaction.

Organizations in industries like finance and healthcare implement Splunk AppDynamics to monitor critical applications and infrastructure. Its capabilities in transaction tracking and AI-driven insights are crucial for maintaining system reliability, supporting technologies such as Java and .NET, and ensuring optimal resource utilization.

Splunk

Sample Customers

Information Not Available

Cisco, Sony, Nasdaq, Reserve Bank of New Zealand, Edmunds.com, Puma, Fox News, DirecTV, Pizza Hut, T-Systems, Cornell University, OpenTable, BITMARCK, Green Mountain Power, Care.com, Overstock, Paddy Power, eHarmony, Kraft, The Motley Fool, The Container Store, and more See more customers