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Functionize vs IBM Rational Test Workbench 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

Functionize
Ranking in Test Automation Tools
14th
Average Rating
10.0
Reviews Sentiment
7.5
Number of Reviews
1
Ranking in other categories
No ranking in other categories
IBM Rational Test Workbench
Ranking in Test Automation Tools
37th
Average Rating
7.6
Reviews Sentiment
7.3
Number of Reviews
4
Ranking in other categories
Performance Testing Tools (21st), API Testing Tools (16th)
 

Mindshare comparison

As of July 2025, in the Test Automation Tools category, the mindshare of Functionize is 2.1%, up from 1.9% compared to the previous year. The mindshare of IBM Rational Test Workbench is 0.3%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Test Automation Tools
 

Featured Reviews

reviewer2541093 - PeerSpot reviewer
Provides efficient test automation for web applications and has good technical support services
The platform's most valuable features include its recorder, which allows users to create test cases with minimal effort, significantly simplifying the process. Vision AI enhances image recognition capabilities, improving the accuracy and efficiency of visual testing. The audit trail feature helps track changes and maintain compliance, which is particularly important in regulated industries. Smart fix automatically resolves issues, reducing manual intervention, while the self-healing feature ensures that test cases remain accurate and functional, even when system changes occur.
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

"The platform's most valuable features include its recorder, which allows users to create test cases with minimal effort, significantly simplifying the process."
"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."
 

Cons

"The solution currently does not support mobile applications. It would significantly improve its versatility."
"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

"The product helps reduce overall costs by decreasing reliance on manual testers and speeding up testing cycles."
"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."
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Top Industries

By visitors reading reviews
Computer Software Company
21%
Financial Services Firm
14%
Manufacturing Company
6%
Insurance Company
6%
Financial Services Firm
30%
Manufacturing Company
11%
Computer Software Company
11%
Non Profit
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Functionize?
The product helps reduce overall costs by decreasing reliance on manual testers and speeding up testing cycles.
What needs improvement with Functionize?
The solution currently does not support mobile applications. It would significantly improve its versatility.
What is your primary use case for Functionize?
We use the product to transition customers from manual to automated testing, particularly for web applications. It involves reducing team sizes, accelerating testing strategies, and providing speci...
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Also Known As

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

Overview

 

Sample Customers

Salesforce, Mastercard, Google, HP Enterprise, Cisco, Farmers Insurance, The General
Financial Insurance Management Corp.
Find out what your peers are saying about Tricentis, UiPath, OpenText and others in Test Automation Tools. Updated: June 2025.
862,499 professionals have used our research since 2012.