IBM Rational Test Workbench vs Testim comparison

IBM Rational Test Workbench

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Executive SummaryUpdated on Dec 15, 2024

IBM Rational Test Workbench and Testim compete in software testing automation. Testim has the upper hand in terms of ease of use and deployment, due to its modern design and simpler implementation.

Features: IBM Rational Test Workbench provides extensive integration with IBM solutions, comprehensive test automation across domains, and powerful API, UI, and performance testing capabilities. Testim offers advanced AI-based test automation, facilitating rapid and easy test creation and maintenance. Its modern, intuitive design supports smooth testing experiences, and the ability to run tests across different environments.

Room for Improvement: IBM Rational Test Workbench could improve by simplifying its complex deployment process, enhancing user interface intuitiveness, and increasing support for non-IBM tools. Testim might benefit from expanding advanced reporting capabilities, improving compatibility with older software systems, and offering more robust support for extensive enterprise-level integration.

Ease of Deployment and Customer Service: IBM Rational Test Workbench requires specialized knowledge for seamless integration, but offers robust customer service, especially for IBM network customers. Testim provides a significantly easier deployment with cloud options for quick implementation, alongside strong customer support focused on expedited service delivery.

Pricing and ROI: IBM Rational Test Workbench involves higher initial setup costs reflecting its capabilities, which can lead to significant ROI in IBM-centric environments. Testim offers lower upfront costs, making it accessible for smaller teams and providing quicker ROI due to its fast time-to-value in dynamic development settings.

To learn more, read our detailed IBM Rational Test Workbench vs. Testim Report (Updated: March 2025).

IBM Rational Test Workbench vs. Testim

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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:

Categories and Ranking

IBM Rational Test Workbench

Ranking in Test Automation Tools

36th

Average Rating

7.6

Reviews Sentiment

7.3

Number of Reviews

Ranking in other categories

Performance Testing Tools (19th), API Testing Tools (15th)

Testim

Ranking in Test Automation Tools

7th

Average Rating

9.2

Reviews Sentiment

7.3

Number of Reviews

Ranking in other categories

Functional Testing Tools (11th)

Mindshare comparison

As of April 2025, in the Test Automation Tools category, the mindshare of IBM Rational Test Workbench is 0.2%, up from 0.1% compared to the previous year. The mindshare of Testim is 5.2%, up from 4.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Test Automation Tools

Featured Reviews

reviewer1513668

IT Specialist, ITE at a government with 10,001+ employees

Good reporting and interface, but supports limited types of protocols and requires low-level script editing

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.

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PiyushSingh

Director at Xceedance

A stable tool to help users take care of the implementation phases in their environment

There are a few minor areas where improvements are required, but they are not something that I can discuss at a high level. I will have to ask the team that uses Testim since they can give a better response to what requires improvement in the product. I only manage the team that uses Testim. I cannot be exactly described as an end user of the tool. There were some issues in the product's initial setup phase in regard to the area of documentation since it wasn't very easy to understand everything mentioned in it. There were some trial and error methods our company had to deal with while using the product's documentation, after which we were able to get through the setup phase. I want the documentation to have more information to help users with the setup process. I want the product to be more scalable in the future.

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Quotes from Members

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

Pros

"This solution provides for API testing, functional UI testing, performance testing, and service virtualization."

"Reporting is pretty good. Its interface is also good. I'm overall pretty happy with the functionality and use of IBM Rational Test Workbench."

"It is a highly stable solution."

"The pre-defined tests are a great help, specifically the custom JS test that allows us to be able to use custom code to test complicated elements or scenarios."

"The feature I like most about Testim is the record and playback capability, which does not require writing a lot of code."

"I have seen reduced maintenance due to smart locators, as it automatically finds locators for us even with minor application changes."

"The ease of learning and the small learning curve allowed us to scale the test scripts and the test suite quickly."

"The REST API features allowed integrated testing for select products to quickly make calls and test the UIs with API calls while the CLI allows us to matrix the grid function across browsers."

"The product is easy to use."

"The tool's most valuable feature is the recently added AI feature."

More Testim pros

Cons

"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."

"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."

"In the last couple of months, I have experienced some downtime where it wasn't working."

"The UI could use a better design with a better user experience in mind."

"Faster scripting would be beneficial, as test creation is faster now."

"The API testing integration is a bit lacking and can be improved."

"There were some issues in the product's initial setup phase in regard to the area of documentation since it wasn't very easy to understand everything mentioned in it."

"The product's areas of improvement include pricing considerations and additional features related to visual testing and PDF handling."

"The accessibility reporting features could be more robust to be reported at the script level and allow users to map down to the step level."

"Testim sometimes fails due to stability issues. It doesn't always work consistently, especially after running multiple tests."

More Testim cons

Pricing and Cost Advice

"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."

"The solution is not expensive."

"The tool offers a fixed pricing model for our company."

"I rate the product’s pricing an eight out of ten compared to other tools."

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Top Industries

By visitors reading reviews

Financial Services Firm

33%

Computer Software Company

14%

Government

Manufacturing Company

Computer Software Company

18%

Financial Services Firm

13%

Manufacturing Company

Educational Organization

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

Questions from the Community

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What do you like most about Testim?

The tool's most valuable feature is the recently added AI feature.

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What is your experience regarding pricing and costs for Testim?

I rate the product’s pricing an eight out of ten compared to other tools.

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What needs improvement with Testim?

More advanced AI-based features and features on the API side would help us create better end-to-end test suites.

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Product Reports

Performance Testing Tools

Download IBM Rational Test Workbench product report

Download Testim product report

Also Known As

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

No data available

Overview

IBM Rational Test Workbench provides a comprehensive test automation solution for mobile applications, regression testing, integration technologies and performance and scalability testing. It helps you build intelligent and interconnected enterprise applications that can be deployed on traditional and cloud infrastructures. With Rational Test Workbench, you can significantly reduce test cycle times, moving integration testing earlier in the development lifecycle.

IBM

Testim is an end-to-end agile testing automation solution which utilizes machine learning for test authoring, execution, and maintenance. Users can create tests in minutes, run thousands of tests in parallel across different browsers, integrate with their existing CI/CD and collaboration tools, and more.

Sample Customers

Financial Insurance Management Corp.

Microsoft, salesforce, JFrog, USA Today, Globality

IBM Rational Test Workbench vs. Testim