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Gen vs IBM Developer for z/OS Enterprise Edition (IDzEE) comparison

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Gen
Ranking in Mainframe Application Development
3rd
Average Rating
8.6
Number of Reviews
6
Ranking in other categories
No ranking in other categories
IBM Developer for z/OS Ente...
Ranking in Mainframe Application Development
4th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2025, in the Mainframe Application Development category, the mindshare of Gen is 4.1%, up from 2.3% compared to the previous year. The mindshare of IBM Developer for z/OS Enterprise Edition (IDzEE) is 7.6%, down from 11.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Mainframe Application Development Market Share Distribution
ProductMarket Share (%)
Gen4.1%
IBM Developer for z/OS Enterprise Edition (IDzEE)7.6%
Other88.3%
Mainframe Application Development
 

Featured Reviews

IR
Full packets enable software implementation on the mainframe and client sides
I rate it eight out of 10. It's just very powerful tool, very powerful product to use. Nowadays, there are a couple of mainframe companies, using mainframe products, so to be honest, I'm not recommending it. Of course, if you have mainframe and you have do something in the mainframe that’s different.
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Top Industries

By visitors reading reviews
No data available
Financial Services Firm
33%
Insurance Company
13%
Government
11%
Computer Software Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Also Known As

CA Gen
IBM RDz
 

Overview

 

Sample Customers

Global bank
Information Not Available