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Head-to-head · Mainframe Testing Tools

IBM Test Accelerator for Z vs Infotel Application Parallel Testing

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score IBM Test Accelerator for Z #1 in Mainframe Testing Tools 9.1/10 Pricing on request ✓ 2 of 2 features Visit IBM
Infotel Application Parallel Testing #6 in Mainframe Testing Tools 6.7/10 Pricing on request ✓ 0 of 2 features Contact Infotel

IBM Test Accelerator for Z leads on 0 checks, Infotel Application Parallel Testing on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreIBM Test Accelerator for Z · 9.1/10
  • Most featuresIBM Test Accelerator for Z · 2 of 2

IBM Test Accelerator for Z scores higher on our rubric for mainframe testing tools: 9.1 against 6.7 out of 10; our editors rank them #1 and #6.

IBM Test Accelerator for Z is the better fit for teams needing broad, automated IBM Z testing. Infotel Application Parallel Testing is the better fit for teams comparing mainframe application changes.

  • IBM Test Accelerator for Z fits best

    Teams needing broad, automated IBM Z testing

  • Infotel Application Parallel Testing fits best

    Teams comparing mainframe application changes

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Side by side

Feature IBM Test Accelerator for Z 9.1/10 Visit ↗ Infotel Application Parallel Testing 6.7/10 Visit ↗
At a glance
Editor score 9.1 6.7
Ranking #1 in Mainframe Testing Tools #6 in Mainframe Testing Tools
Best for Teams needing broad, automated IBM Z testing Teams comparing mainframe application changes
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan — Not checked yet
Free trial — —
Built for Mid-market, Enterprise Mid-market, Enterprise
Features IBM Test Accelerator for Z 2/2 · Infotel Application Parallel Testing 0/2
Test data support ✓ (best) Not checked yet
CI/CD integration ✓ (best) Not checked yet
Specs
Test types Unit testing; early integration testing; component testing; functional testing; integration testing Not checked yet
Mainframe platforms IBM z/OS; z/OS instances on Linux x86-64 or s390x Not checked yet
Automation level Automated Not checked yet
Deployment options Both Not checked yet
Our review
Pros
  • Reusable COBOL unit, component and early integration tests
  • Test-data generation, coverage collection and debugging
  • z/OS provisioning and CI workflows with Galasa, Jenkins and others
  • Focused on parallel testing of application changes
  • Dedicated to mainframe application testing
  • Aimed at mid-market and enterprise organizations
Cons
  • Purchasing requires contacting IBM or a Business Partner
  • Focused on z/OS development and test environments
  • Galasa is required for deployable functional tests
  • Pricing is contact-sales
  • Technical specifications are limited
  • Not presented as a general-purpose test framework
Our verdict

IBM Test Accelerator for Z is a test automation and generation framework for z/OS developers and testers, particularly teams that need to cover COBOL unit, component, early integration and functional testing. It supports reusable tests and…

Read the review →

Infotel Application Parallel Testing is a dedicated testing product from Infotel Software for organizations working with mainframe applications. Its stated focus is parallel testing of application changes, making it relevant to mid-market…

Read the review →
  1. IBM Test Accelerator for ZMainframe Testing Tools 9.1Pricing on request
  2. Infotel Application Parallel TestingMainframe Testing Tools 6.7Pricing on request

Strengths and trade-offs

  • IBM Test Accelerator for Z — where it wins

    • Reusable COBOL unit, component and early integration tests
    • Test-data generation, coverage collection and debugging
    • z/OS provisioning and CI workflows with Galasa, Jenkins and others

    Where it doesn't

    • Purchasing requires contacting IBM or a Business Partner
    • Focused on z/OS development and test environments
    • Galasa is required for deployable functional tests

  • Infotel Application Parallel Testing — where it wins

    • Focused on parallel testing of application changes
    • Dedicated to mainframe application testing
    • Aimed at mid-market and enterprise organizations

    Where it doesn't

    • Pricing is contact-sales
    • Technical specifications are limited
    • Not presented as a general-purpose test framework
  • IBM Test Accelerator for Z9.1/10 · Pricing on request

    A broad IBM Z testing framework for teams automating COBOL and functional tests.

    Visit IBMFull verdict →
  • Infotel Application Parallel Testing6.7/10 · Pricing on request

    A focused option for teams validating mainframe application changes in parallel.

    Contact InfotelFull verdict →

More comparisons

All mainframe testing tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update