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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 October 2026, the mindshare of IBM Z in the Mainframes category stands at 30.3%, down from 38.5% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Mainframes Mindshare Distribution
ProductMindshare (%)
IBM Z30.3%
Unisys ClearPath Dorado19.1%
Fujitsu Server GS2117.1%
Other33.5%
Mainframes
 
 
Key learnings from peers

Valuable Features

Room for Improvement

Top industries

By visitors reading reviews
Financial Services Firm
15%
Outsourcing Company
11%
Media Company
10%
Government
8%
Manufacturing Company
7%
Retailer
7%
Comms Service Provider
5%
Educational Organization
5%
Non Profit
5%
Healthcare Company
3%
University
3%
Computer Software Company
3%
Energy/Utilities Company
2%
Performing Arts
2%
Legal Firm
2%
Real Estate/Law Firm
2%
Recreational Facilities/Services Company
2%
Renewables & Environment Company
2%
Consumer Goods Company
2%
Insurance Company
2%
Program Development Consultancy
2%
Logistics Company
2%
Hospitality Company
2%

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IBM Z customers

Related questions

 
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.