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Apache JMeter vs IBM Rational Test Workbench comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Sep 11, 2024

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
Ranking in Performance Testing Tools
1st
Ranking in API Testing Tools
1st
Average Rating
7.8
Reviews Sentiment
7.1
Number of Reviews
94
Ranking in other categories
Load Testing Tools (1st)
IBM Rational Test Workbench
Ranking in Performance Testing Tools
20th
Ranking in API Testing Tools
16th
Average Rating
7.6
Reviews Sentiment
7.3
Number of Reviews
4
Ranking in other categories
Test Automation Tools (36th)
 

Mindshare comparison

As of September 2025, in the Performance Testing Tools category, the mindshare of Apache JMeter is 16.4%, down from 25.7% compared to the previous year. The mindshare of IBM Rational Test Workbench is 1.3%, up from 0.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Performance Testing Tools Market Share Distribution
ProductMarket Share (%)
Apache JMeter16.4%
IBM Rational Test Workbench1.3%
Other82.3%
Performance Testing Tools
 

Featured Reviews

Shashidhara Allalappa - PeerSpot reviewer
Extensive Protocol Support and Precise Reporting Elevate Testing, Though GUI Usability Needs Improvement
The GUI of Apache JMeter is not that user-friendly because we have many proxies, and we have to record through the proxy. With the limited SSL we have, we cannot use it for UI, which is a drawback. However, Apache JMeter is really good for REST APIs. I don't think there are any other areas other than the GUI that I would want improved about Apache JMeter; it is generally good and supports multiple protocols.
KashifJamil - PeerSpot reviewer
Good integration with other tools, stable, scales easily
There are a number of things that they can do to simplify the tools, but the most important thing that they need to do is simplify the installation. This includes the workbench as well as the other tools. In the future, I would like to see the other types of tests supported, that are not already covered in the DevOps approach. This would include, for example, penetration testing.

Quotes from Members

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

Pros

"A lot of things are valuable. It is free. It has a lot of features, such as report generation and integration with CI/CD, which makes it very competitive with the other paid solutions available in the market. It is a good solution."
"The most valuable feature of this solution is that it is free."
"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."
"Monetary benefits with Apache JMeter are notable since it doesn’t require a licensed version."
"The product helps me get the expected performance from applications or servers and reduces costs. It also enhances the performance of the services and helped them reach their ultimate capacity."
"The reporting features are really good. There's a lot less latency than other solutions."
"The solution helps by detecting bottlenecks."
"The new version of the solution is stable."
"Reporting is pretty good. Its interface is also good. I'm overall pretty happy with the functionality and use of IBM Rational Test Workbench."
"This solution provides for API testing, functional UI testing, performance testing, and service virtualization."
 

Cons

"There could be improvements in terms of memory utilization. We are going to migrate away from JMeter in the near future."
"The tool needs to have a better Graphical User Interface. Many of the solution's features are difficult to understand due to the complex user interface and user experience. The product needs to add plugins. It should also work on the integration with external partners like IDE and API gateways."
"The plug-ins make the reports heavy and they have to be run in non-GUI mode."
"Apache JMeter's UI can be made more colorful."
"There is some work to be done with the integration."
"The UI of the solution needs to be better. The UI takes up a lot of our bandwidth."
"The UI has room for improvement."
"If JMeter could provide a web version of editing, that would be good."
"It should have more interfaces. In terms of interfaces or protocols, what you can do with Rational is far limited as compared to other products out there. What it does, it does great, but it only gives you limited types of protocols. It supports between 8 to 15 types of protocols, whereas other test tools give you 20 to 30 types of protocols with which you can do testing and convert to script. It records Javascript-based scripts, and you got to know a little bit of Java to basically be able to edit them, but the level of editing you got to do is very low. I like that, but the ability to edit the script is not as good as Parasoft or LoadRunner, which have C-Script."
"There are a number of things that they can do to simplify the tools, but the most important thing that they need to do is simplify the installation."
 

Pricing and Cost Advice

"I was using the free version of the software."
"We are using the free version."
"Everything is included, and there are no additional costs."
"It is free."
"The price of Apache JMeter is good. The selling rate is quite effective and the limited users with a multi-region-related execution."
"No licensing is required as it is a free, open-source tool."
"The solution is free of cost as it is open source."
"When comparing the price with Load Runner, and if the cost is an issue then JMeter is a better choice"
"The pricing is a little bit on the higher side, although it is really good."
"It doesn't really concern me. Licensing is on a yearly basis."
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Top Industries

By visitors reading reviews
Financial Services Firm
19%
Computer Software Company
13%
Manufacturing Company
7%
Government
6%
Financial Services Firm
30%
Manufacturing Company
13%
Non Profit
9%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business25
Midsize Enterprise24
Large Enterprise56
No data available
 

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 Test Workbench, IBM Rational Performance Tester, IBM Functional Tester, IBM Rational Test Virtualization Server
 

Overview

 

Sample Customers

AOL, Orbitz, Innopath Software, PrepMe, Sapient, Corporate Express Australia, CSIRO, Ephibian, Talis, DATACOM, ALALOOP, eFusion, Panter, Sourcepole, University of Western Cape
Financial Insurance Management Corp.
Find out what your peers are saying about Apache JMeter vs. IBM Rational Test Workbench and other solutions. Updated: August 2025.
867,497 professionals have used our research since 2012.