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IBM Rational Performance Tester pros and cons

Vendor: IBM

3.8 out of 5

18 reviews
100% willing to recommend

Pros & Cons summary

IBM Rational Performance Tester enables testers to identify system bottlenecks through comprehensive results, supporting web, mobile, and desktop apps with improved reporting visibility. Java customization enhances scalability, while real-time views and root cause analysis simplify testing. Despite its cost-effectiveness, it faces challenges in setup, documentation, licensing costs, and integration with Rational Quality Manager, limiting scalability without IBM assistance.

Buyer's Guide

Get pricing advice, tips, use cases and valuable features from real users of this product.

Prominent pros & cons

PROS

Comprehensive Rational Performance Tester results allow testers to identify bottlenecks in systems under test.

Customization and extensions in Java improve results and are valuable for performance scaling.

It supports testing web, mobile, and desktop applications with improved visibility of reporting.

Real-time view and built-in root cause analysis tools enhance response times and simplify performance testing.

It is cost-effective, scalable, and integrates easily with systems for various testing types.

CONS

IBM Rational Performance Tester lacks tight integration with Rational Quality Manager and Jazz platform.

Scalability is limited, requiring additional licensing and IBM assistance.

Initial setup is complex, with outdated documentation and numerous issues unresolved.

Installation, configuration, and IBM support need significant improvements.

Licensing is costly, especially for small and medium companies, with a need for pricing structure changes.

IBM Rational Performance Tester Pros review quotes

CEO at Xcelliti

Jul 27, 2026

IBM Rational Performance Tester provides the ecosystem and completes the ecosystem better than any open source software or any other software.

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CEO at Xcelliti

Mar 24, 2021

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.

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reviewer1054392

Testing Tool Expert at a insurance company with 10,001+ employees

Aug 21, 2019

Technical support is very good. I'm very satisfied with the assistance we've received so far.

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IBM Rational Performance Tester

Free Report: IBM Rational Performance Tester Reviews and More

Learn what your peers think about IBM Rational Performance Tester. Get advice and tips from experienced pros sharing their opinions. Updated: July 2026.

908,800 professionals have used our research since 2012.

Senior Test Architect at a tech services company with 11-50 employees

Jul 21, 2017

This tool is very scalable, and for large scale tests, i.e., 5000 virtual users and up, it performs very well.

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Architect Software Test Engineer at MAS Global Consulting

May 29, 2017

The setup was straightforward, it depends on the company's regulations and infrastructure policies.

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Associate - Projects at a tech services company with 10,001+ employees

Jan 17, 2017

Once you are used to this tool, it is user friendly and provides very good analysis for web applications.

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Java Developer + Workflow/Process Automation Developer with 501-1,000 employees

Nov 15, 2015

It's definitely helped in scaling the performance of our application.

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Solutions Architect at a tech services company with 501-1,000 employees

Nov 15, 2015

Customization and extensions made in Java is valuable because this can help you set elements to improve your results.

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Quality Assurance Software Testing Lead at a government with 1,001-5,000 employees

Oct 12, 2015

ROI is big because we do not need vendors to assist some with performance testing.

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Rational Tools Administrator for the National Science Foundation (NSF) at a tech services company with 201-500 employees

Oct 13, 2015

Comprehensive Rational Performance Tester results allow testers to identify bottlenecks in the systems under test.

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Show 8 more reviews (out of 18)

IBM Rational Performance Tester Cons review quotes

CEO at Xcelliti

Jul 27, 2026

The licensing part is costly. IBM should come up with certain changes so that the concurrent user licenses should go down, or they could form something that can decrease their overall licensing price or make changes in their pricing structure.

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CEO at Xcelliti

Mar 24, 2021

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.

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reviewer1054392

Testing Tool Expert at a insurance company with 10,001+ employees

Aug 21, 2019

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.

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IBM Rational Performance Tester

Free Report: IBM Rational Performance Tester Reviews and More

Learn what your peers think about IBM Rational Performance Tester. Get advice and tips from experienced pros sharing their opinions. Updated: July 2026.

908,800 professionals have used our research since 2012.

Senior Test Architect at a tech services company with 11-50 employees

Jul 21, 2017

The installation and tool setup can take some time, since this involves several components.

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Architect Software Test Engineer at MAS Global Consulting

May 29, 2017

Since it is Java-based, it is expected to be a resource eater on Windows.

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Associate - Projects at a tech services company with 10,001+ employees

Jan 17, 2017

Support for more protocols is required.

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Java Developer + Workflow/Process Automation Developer with 501-1,000 employees

Nov 15, 2015

It is complex for a novice.

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Solutions Architect at a tech services company with 501-1,000 employees

Nov 15, 2015

We had open many PMRs for problems found in the products, and I'm not sure if all of them have been fixed.

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Quality Assurance Software Testing Lead at a government with 1,001-5,000 employees

Oct 12, 2015

The HP tool is overall a little better but much more expensive.

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Rational Tools Administrator for the National Science Foundation (NSF) at a tech services company with 201-500 employees

Oct 13, 2015

I’d like to see a tighter integration with Rational Quality Manager and the Jazz platform.

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Show 8 more reviews (out of 18)

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Popular Comparisons

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OpenText Application Quality Management vs IBM Rational Performance Tester

Eggplant Test vs IBM Rational Performance Tester

TFS vs IBM Rational Performance Tester

Visual Studio Test Professional vs IBM Rational Performance Tester

Panaya Test Dynamix vs IBM Rational Performance Tester

Helix ALM vs IBM Rational Performance Tester

Tricentis qTest vs IBM Rational Performance Tester

Zeenyx AscentialTest vs IBM Rational Performance Tester

TestRail vs IBM Rational Performance Tester

Parasoft Development Testing Platform vs IBM Rational Performance Tester

Zephyr Enterprise vs IBM Rational Performance Tester

Broadcom Agile Requirements Designer vs IBM Rational Performance Tester

PractiTest vs IBM Rational Performance Tester

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