Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Mainframe Testing Tools

IBM Workload Simulator for z/OS and OS/390 vs Infotel Application Parallel Testing

  • Updated Oct 2026
  • Both researched from official sources
Higher score IBM Workload Simulator for z/OS and OS/390 #4 in Mainframe Testing Tools 7.8/10 Pricing on request ✓ 0 of 2 features Visit IBM

Our verdict

  • Highest scoreIBM Workload Simulator for z/OS and OS/390 · 7.8/10

IBM Workload Simulator for z/OS and OS/390 scores higher on our rubric for mainframe testing tools: 7.8 against 6.7 out of 10; our editors rank them #4 and #6.

IBM Workload Simulator for z/OS and OS/390 is the better fit for enterprise teams simulating z/OS and OS/390 workloads. Infotel Application Parallel Testing is the better fit for teams comparing mainframe application changes.

  • IBM Workload Simulator for z/OS and OS/390 fits best

    Enterprise teams simulating z/OS and OS/390 workloads

  • Infotel Application Parallel Testing fits best

    Teams comparing mainframe application changes

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature IBM Workload Simulator for z/OS and OS/390 7.8/10 Visit ↗ Infotel Application Parallel Testing 6.7/10 Visit ↗
At a glance
Editor score 7.8 6.7
Ranking #4 in Mainframe Testing Tools #6 in Mainframe Testing Tools
Best for Enterprise teams simulating z/OS and OS/390 workloads Teams comparing mainframe application changes
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Built for Enterprise Mid-market, Enterprise
Features IBM Workload Simulator for z/OS and OS/390 0/2 · Infotel Application Parallel Testing 0/2
Test data support Not checked yet Not checked yet
CI/CD integration Not checked yet Not checked yet
Specs
Test types workload simulation Not checked yet
Mainframe platforms z/OS, OS/390 Not checked yet
Automation level Not checked yet Not checked yet
Deployment options On-premises Not checked yet
Our review
Pros
  • Generates mainframe test workloads for application testing.
  • Supports workload simulation in z/OS environments.
  • Supports workloads for OS/390.
  • Focused on parallel testing of application changes
  • Dedicated to mainframe application testing
  • Aimed at mid-market and enterprise organizations
Cons
  • Focused on workload simulation rather than broader test capabilities.
  • Self-hosted deployment is the listed option.
  • Pricing is handled through contact with sales.
  • Pricing is contact-sales
  • Technical specifications are limited
  • Not presented as a general-purpose test framework
Our verdict

For enterprise teams preparing applications for IBM mainframe environments, IBM Workload Simulator for z/OS and OS/390 generates test workloads and simulates workloads on z/OS and OS/390. Its scope is specific: evaluating application…

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 Workload Simulator for z/OS and OS/390Mainframe Testing Tools 7.8Pricing on request
  2. Infotel Application Parallel TestingMainframe Testing Tools 6.7Pricing on request

Strengths and trade-offs

  • IBM Workload Simulator for z/OS and OS/390 — where it wins

    • Generates mainframe test workloads for application testing.
    • Supports workload simulation in z/OS environments.
    • Supports workloads for OS/390.

    Where it doesn't

    • Focused on workload simulation rather than broader test capabilities.
    • Self-hosted deployment is the listed option.
    • Pricing is handled through contact with sales.
  • 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 Workload Simulator for z/OS and OS/3907.8/10 · Pricing on request

    A focused workload simulator for teams testing applications on z/OS and OS/390.

    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

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update