IBM Fault Analyzer for z/OS vs IBM Debug for z/OS

IBM Fault Analyzer for z/OS8.4Visit IBM Debug for z/OS8.3Visit

Higher score IBM Fault Analyzer for z/OS #5 in Mainframe Software 8.4/10 Pricing on request ✓ 1 of 4 features Contact IBM

vs

IBM Debug for z/OS #6 in Mainframe Software 8.3/10 Pricing on request ✓ 1 of 4 features Visit IBM

• IBM Fault Analyzer for z/OS fits best

  Capturing and analyzing z/OS application failures

• IBM Debug for z/OS fits best

  Teams debugging and measuring z/OS application coverage

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Side by side

Feature	IBM Fault Analyzer for z/OS 8.4/10 Visit ↗	IBM Debug for z/OS 8.3/10 Visit ↗
At a glance
Editor score	8.4	8.3
Ranking	#5 in Mainframe Software	#6 in Mainframe Software
Best for	Capturing and analyzing z/OS application failures	Teams debugging and measuring z/OS application coverage
Pricing model	Paid	Paid
Starting price	Pricing on request	Pricing on request
Free plan	—	—
Free trial	—	—
Deployment	Self-hosted	Self-hosted
Platforms	Web, Windows	Windows
Support	Docs	Docs
Integrations	4 integrations	1 integrations
Built for	Enterprise	Mid-market, Enterprise
Features IBM Fault Analyzer for z/OS 1/4 · IBM Debug for z/OS 1/4
Workload management	—	—
Development tools	✓	✓
Modernization features	Not checked yet	Not checked yet
Emulation support	—	—
Specs
Deployment model	On-premises	On-premises
Supported platforms	IBM z/OS	z/OS
Our review
Pros	Captures failure and environment information when an application abends Supports analysis across COBOL, PL/I, Java, Assembler, and C/C++ Offers ISPF, Eclipse, and web interfaces for reviewing abend history	Debug COBOL, PL/I, C/C++ and Assembler applications on z/OS Inspect variables, registers, memory and expressions; set conditional breakpoints Collect, view and combine client-initiated or automated coverage results
Cons	Focused on failure analysis rather than broader workload management Requires self-hosted deployment on IBM z/OS Pricing is contact-sales, with no free plan	Narrower scope than a full development suite Runs on z/OS, with deployment listed as self-hosted Pricing is contact-sales rather than a published plan
Our verdict	IBM Fault Analyzer for z/OS helps developers diagnose and correct application and system failures on IBM z/OS. When an application abends, it captures information about the failure and its environment, then supports batch or interactive… Read the review →	IBM Debug for z/OS focuses on debugging and code coverage for applications written in COBOL, PL/I, C/C++ and Assembler. It is aimed at development teams working with z/OS workloads, including batch, CICS, IMS, Db2, z/OS UNIX and TSO… Read the review →

Strengths and trade-offs

• IBM Fault Analyzer for z/OS — where it wins

  • Captures failure and environment information when an application abends
  • Supports analysis across COBOL, PL/I, Java, Assembler, and C/C++
  • Offers ISPF, Eclipse, and web interfaces for reviewing abend history

  Where it doesn't

  • Focused on failure analysis rather than broader workload management
  • Requires self-hosted deployment on IBM z/OS
  • Pricing is contact-sales, with no free plan

• IBM Debug for z/OS — where it wins

  • Debug COBOL, PL/I, C/C++ and Assembler applications on z/OS
  • Inspect variables, registers, memory and expressions; set conditional breakpoints
  • Collect, view and combine client-initiated or automated coverage results

  Where it doesn't

  • Narrower scope than a full development suite
  • Runs on z/OS, with deployment listed as self-hosted
  • Pricing is contact-sales rather than a published plan

• IBM Fault Analyzer for z/OS8.4/10 · Pricing on request

  Captures z/OS abends and supports detailed analysis across major languages and subsystems.

  Contact IBMFull verdict →
• IBM Debug for z/OS8.3/10 · Pricing on request

  A focused z/OS debugger with execution controls, language coverage and Eclipse access.

  Visit IBMFull verdict →