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Apache JMeter vs IBM Rational Performance Tester 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

Apache JMeter
Average Rating
7.8
Reviews Sentiment
7.1
Number of Reviews
93
Ranking in other categories
Performance Testing Tools (1st), Load Testing Tools (1st), API Testing Tools (3rd)
IBM Rational Performance Te...
Average Rating
7.6
Number of Reviews
17
Ranking in other categories
Test Management Tools (23rd)
 

Mindshare comparison

While both are Quality Assurance solutions, they serve different purposes. Apache JMeter is designed for Performance Testing Tools and holds a mindshare of 24.1%, up 23.4% compared to last year.
IBM Rational Performance Tester, on the other hand, focuses on Test Management Tools, holds 1.5% mindshare, up 0.9% since last year.
Performance Testing Tools
Test Management Tools
 

Featured Reviews

Sreenivasula Mukkamalla - PeerSpot reviewer
Leveraging cost-effective customization with powerful plugins but complexity reduction needed
Apache JMeter offers plugins for reporting and preparing test scenarios. It allows recording to customization, letting you download plugins to connect with databases or external systems. Despite being open source, it offers features comparable to paid tools, and its ability to customize and expand is particularly useful. Additionally, its open-source nature makes it cost-effective.
it_user323943 - PeerSpot reviewer
We can edit captured transactions and organize them by those for which we require performance metrics, but it lacks a set of manuals or guides that would take out some guess work.
It is used to capture and generate HTTP tests. The capture process is very easy. After this, we edited the captured transactions to organize them into the sections or transactions we require performance metrics for (i.e. splash page, user authentication, main pageload, logout, etc.). This editing process is easy to perform with the interface provided in Rational Performance Tester Finally, Rational Performance Tester has an import/export feature that has been extremely useful. We have used it to export our complete test library and import it into another Rational Performance Tester server with no loss or issues. This allows for platform test migrations and backup.

Quotes from Members

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

Pros

"The most valuable feature in JMeter is the Thread Group, which helps us to see whether the performance is good."
"The performance of the solution is excellent."
"JMeter is a free tool with a large user population, which comes in handy because we have a vast knowledge base to tap into when needed. It's also easier to hire consultants who know JMeter."
"Apache JMeter is well-known and widely used among developers, particularly on popular developer forums. While it may not have the most user-friendly interface, it offers strong support through official manuals and various articles from companies providing load testing services. The tool is free, has a substantial community, and serves as a fundamental choice for testers, especially those new to performance testing. While other tools like K6 may be more developer-oriented, JMeter's affordability and accessibility make it suitable for those without extensive performance testing experience."
"Apache JMeter is stable."
"The metrics part of it and the ability to write your custom code to do some specific tests in the performance testing space are the most valuable features."
"We are using it just for load testing. We are using its free version, and it is scalable."
"It's stable and reliable."
"Technical support is very good. I'm very satisfied with the assistance we've received so far."
"It can support both web applications and mobile applications, and in certain cases, it can also support testing of desktop applications or software-based applications. You can write web applications, mobile applications, and software-based applications."
 

Cons

"We would like some reporting and analysis tools to be added to this solution."
"The plug-ins make the reports heavy and they have to be run in non-GUI mode."
"In this tool, automation in general is almost non-existent. Everything is done manually."
"JMeter output reports can be difficult to understand without training."
"The stability could be a bit better."
"What needs improvement in Apache JMeter is the very high load requirements when you want to scale it beyond certain thresholds. For example, small to mid-range testing is very easily done with Apache JMeter, but if you scale and increase the load, then it would be a problem because the tool consumes a lot of resources, probably because Apache JMeter provides an enriched UI experience, so it consumes a lot of memory and requires high CPU usage. This means you have to manage your infrastructure, or else you'll have high overhead expenses. As Apache JMeter is a heavyweight tool, that is an area for improvement, though I'm unsure if Apache can do something about it because it could be a result of the way it's architected. What I'd like to see from Apache JMeter in the future is for it to transition to the cloud, as a lot of cloud technologies emerge around the globe, and a lot of people prefer cloud-based solutions or cloud-native tools. Even if a company has a legacy system, it's still possible to transition to the cloud. I've worked with a company that was an on-premise company that moved to the cloud and became cloud-native. If Apache JMeter could transition to the cloud, similar to k6, then it could help lessen the intense resource consumption that's currently happening in Apache JMeter."
"To improve Apache JMeter, reducing the complexity of load generators and distribution testing would be beneficial."
"Improving JMeter's sync time would be beneficial."
"There are some features that Micro Focus LoadRunner provides, but they are not available in IBM Rational Performance Tester. They should include such features. It can also have more reports similar to what HP provides. It might also need some improvement in terms of the tools and support for other technology areas. Certain technologies are not supported by every tool. They need to support all sorts of technologies and platforms on which web applications and mobile applications are built. They need complete support for all sorts of technologies."
"The solution is not easily scalable. If you want to extend the solution, you need to purchase a different kind of license. You also have to work with the IBM team to assist in scaling."
 

Pricing and Cost Advice

"I switched to Apache because it is free. Other tools are much too expensive and can cost up to $50,000 a year if you are looking at commercial options."
"The tool is open-source."
"The price of Apache JMeter is good. The selling rate is quite effective and the limited users with a multi-region-related execution."
"We are using the free version, and if required, we can easily switch to the other version."
"Everything is included, and there are no additional costs."
"This is an open-source solution, so there are no licensing costs associated with it."
"Apache JMeter is an open-source solution, so it's free to use."
"Apache JMeter is a free open source solution and it is why we are using it."
"It is much cheaper than Micro Focus LoadRunner. We need perpetual licenses. Support is included in the first sale. After that, you need to renew support every year."
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Top Industries

By visitors reading reviews
Financial Services Firm
20%
Computer Software Company
16%
Manufacturing Company
7%
Government
7%
Financial Services Firm
30%
Computer Software Company
19%
Government
13%
Educational Organization
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

How does Postman compare with Apache JMeter?
Postman lets you easily define variables, which then get updated automatically. This is a huge time-saver and makes processes very efficient. We can also export the test cases we create and share t...
How does BlazeMeter compare with Apache JMeter?
Blazemeter is a continuous testing platform that provides scriptless test automation. It unifies functional and performance testing, enabling users to monitor and test public and private APIs. We ...
What do you like most about Apache JMeter?
I appreciate JMeter's simplicity and power for performance testing.
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Also Known As

JMeter
Rational Performance Tester
 

Overview

 

Sample Customers

AOL, Orbitz, Innopath Software, PrepMe, Sapient, Corporate Express Australia, CSIRO, Ephibian, Talis, DATACOM, ALALOOP, eFusion, Panter, Sourcepole, University of Western Cape
andagon, Regence BlueCross BlueShield of Oregon
Find out what your peers are saying about Apache, Tricentis, Perforce and others in Performance Testing Tools. Updated: March 2025.
842,592 professionals have used our research since 2012.