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IBM Rational Test Workbench vs LambdaTest comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 15, 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

IBM Rational Test Workbench
Ranking in Test Automation Tools
36th
Average Rating
7.6
Reviews Sentiment
7.3
Number of Reviews
4
Ranking in other categories
Performance Testing Tools (20th), API Testing Tools (17th)
LambdaTest
Ranking in Test Automation Tools
8th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
27
Ranking in other categories
Functional Testing Tools (5th)
 

Mindshare comparison

As of October 2025, in the Test Automation Tools category, the mindshare of IBM Rational Test Workbench is 0.5%, up from 0.1% compared to the previous year. The mindshare of LambdaTest is 2.2%, up from 1.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Test Automation Tools Market Share Distribution
ProductMarket Share (%)
LambdaTest2.2%
IBM Rational Test Workbench0.5%
Other97.3%
Test Automation Tools
 

Featured Reviews

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.
Dinesh Saharan - PeerSpot reviewer
The tool reduces the manual effort needed and helps automate certain tasks for users
I won't be able to comment on what could be improved in the solution since I am not the one who handles LambdaTest. It is our company's IT team that takes care of LambdaTest. Improvements on a platform need to happen on a timely basis. If something is perfect, it doesn't mean that it doesn't need to improvise or improve, like in terms of adding new features. There should be some new features coming up or some performance improvisation over a period of time.

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."
"The most valuable features are that it's essentially on-demand, and you only focus on getting the code that needs to be executed without having to worry about the OS, hardware, etc."
"The UI is pretty clean and easy to navigate, and we were able to figure it out very quickly."
"Without a doubt, LambdaTest is one of the big reasons behind our faster deployment and better team collaboration."
"The slow nature of a cloud platform was compensated with parallel testing, and now we are able to finish our testing job faster than it was before COVID."
"Builds that took days to complete with in-house infrastructure were executed in a couple of hours."
"We use the solution for automation testing and monitoring."
"The Docker tunnel integration for local testing can be extremely useful to run on multiple instances in parallel."
"The primary feature that has significantly improved our test execution times is automation."
 

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."
"Sometimes, when multiple users use the tool simultaneously, it can slow down, affecting efficiency."
"We get logged out of the devices if there is some inactivity."
"There is scope for improvement in service account usage, LDAP integration, and adapting new devices and features."
"I didn't like the solution's technical support and how they communicated and tried to fix the issues of customers like me."
"Mobile application testing will be an added benefit for us if LambdaTest implements this really soon."
"Improvements on a platform need to happen on a timely basis...There should be some new features coming up or some performance improvisation over a period of time."
"You cannot perform native-app testing, as they offer simulation for web testing only."
"Responsive testing UI is a bit cluttered, whereas the LT browser is much better to use."
 

Pricing and Cost Advice

"It doesn't really concern me. Licensing is on a yearly basis."
"The pricing is a little bit on the higher side, although it is really good."
"It is 60% cheaper and there is no fuss in maintaining the lab, so we have more time to do the testing."
"The pricing could be made cheaper."
"LambdaTest's pricing is cheaper than that of other similar platforms."
"I used the product for free."
"The pricing for LambdaTest is affordable, and one of the reasons we implemented it."
"LambdaTest is paid per execution."
"This is an affordable product."
"The product can be described as an averagely-priced solution."
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Top Industries

By visitors reading reviews
Financial Services Firm
30%
Manufacturing Company
13%
Non Profit
9%
Government
7%
Computer Software Company
14%
Financial Services Firm
13%
Retailer
7%
Healthcare Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise8
Large Enterprise9
 

Questions from the Community

Ask a question
Earn 20 points
What do you like most about LambdaTest?
We use the solution for automation testing and monitoring.
What is your experience regarding pricing and costs for LambdaTest?
The pricing of LambdaTest depends on the deal negotiated. It is cost-effective compared to competitors like BrowserStack ( /products/browserstack-reviews ) and Sauce Labs ( /products/sauce-labs-rev...
What needs improvement with LambdaTest?
The execution reporting can be improved for better integration between automation execution and accessibility platform reporting. There are specific use cases related to authentication and authoriz...
 

Also Known As

Rational Test Workbench, IBM Rational Performance Tester, IBM Functional Tester, IBM Rational Test Virtualization Server
No data available
 

Overview

 

Sample Customers

Financial Insurance Management Corp.
Bringmax, Totpal, Nethhouse, Integreplanner, Cognizant, Vendisol, Clearscale, Edureka
Find out what your peers are saying about IBM Rational Test Workbench vs. LambdaTest and other solutions. Updated: September 2025.
869,566 professionals have used our research since 2012.