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IBM Z Reviews

Vendor: IBM
5.0 out of 5
Badge Ranked 1

What is IBM Z?

IBM Z mindshare

As of June 2026, the mindshare of IBM Z in the Mainframes category stands at 32.0%, down from 38.6% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Mainframes Mindshare Distribution
ProductMindshare (%)
IBM Z32.0%
Fujitsu Server GS2119.9%
Unisys ClearPath Dorado19.3%
Other28.799999999999997%
Mainframes
 
 
Key learnings from peers
Last updated Mar 26, 2026

Valuable Features

Room for Improvement

Top industries

By visitors reading reviews
Financial Services Firm
13%
Government
11%
Media Company
8%
Outsourcing Company
6%
Educational Organization
6%
Manufacturing Company
6%
Computer Software Company
6%
Retailer
6%
University
5%
Non Profit
5%
Healthcare Company
3%
Real Estate/Law Firm
3%
Hospitality Company
3%
Legal Firm
3%
Logistics Company
2%
Recreational Facilities/Services Company
2%
Renewables & Environment Company
2%
Energy/Utilities Company
2%
Consumer Goods Company
2%
Program Development Consultancy
2%
Insurance Company
2%
Construction Company
2%
Performing Arts
2%

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IBM Z customers

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IBM Z Reviews Summary
Author infoRatingReview Summary
Manager CICS Support at Blue Cross Blue Shield of Illinois5.0I found this system excellent for batch DB online use, processing mission-critical apps. Its ability to handle heavy mixed workloads is valuable. I'd like a more graphical UI for system changes, though IBM is addressing it via OSMF.
DS
Doyle Skipper
Manager CICS Support at Blue Cross Blue Shield of Illinois
Apr 3, 2019
Provides processing of mission critical applications.