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IBM System Architect vs erwin Data Modeler comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 23, 2025

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

erwin Data Modeler
Ranking in Business Process Design
8th
Average Rating
8.6
Reviews Sentiment
5.9
Number of Reviews
46
Ranking in other categories
Enterprise Architecture Management (2nd), Data Governance (15th)
IBM System Architect
Ranking in Business Process Design
25th
Average Rating
6.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the Business Process Design category, the mindshare of erwin Data Modeler is 2.5%, up from 2.2% compared to the previous year. The mindshare of IBM System Architect is 1.0%, up from 0.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Business Process Design Market Share Distribution
ProductMarket Share (%)
erwin Data Modeler2.5%
IBM System Architect1.0%
Other96.5%
Business Process Design
 

Featured Reviews

Sushree Panigrahi - PeerSpot reviewer
Snowflake Data Engineer| Senior PLSQL Developer |Data Modeler|Assitant Vice Pre at Jp Morgan Chase & Co.
Data modeling has transformed regulatory reporting and collaboration across cloud environments
In erwin Data Modeler, areas that have room for improvement include performance improvements. I see that large models sometimes cause it to be slow when opening. Impact analysis can lag as well. Version control is another aspect. If we have developed a current version, it is not integrated with Git where we can easily compare different versions. UI modernization is also something we cannot utilize as it is primarily for development. Additionally, cloud-specific optimizations are needed when it comes to Snowflake or Databricks. When it comes to AI aspects, auto-suggestions for normalization or identifying primary, foreign, or surrogate keys are areas that can be improved.
it_user542103 - PeerSpot reviewer
IT Architect at a energy/utilities company with 10,001+ employees
It has helped in supporting the development of an Enterprise Data Model
Data model development: This has built-in ways to create multiple, separate solution data models, including ways to link to an Enterprise Data Model (EDM). Other objects are encyclopedia-wide and need a different approach for managing solution-specific diagrams with an ability to query, e.g…
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Top Industries

By visitors reading reviews
Financial Services Firm
18%
Government
8%
Manufacturing Company
8%
Performing Arts
5%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise3
Large Enterprise34
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for erwin Data Modeler by Quest?
Regarding pricing, I am unsure what the exact price is for erwin Data Modeler, but I believe it is not useful for an individual. It is more targeted toward an enterprise level since organizations l...
What needs improvement with erwin Data Modeler by Quest?
I write code and I write code accessing erwin Data Modeler's API, the Application Programming Interface, so that I can use Excel to update erwin Data Modeler and then get those updates and put them...
What is your primary use case for erwin Data Modeler by Quest?
I work for CVS with a pretty big database as a data modeler on the PBMs, the Caremark PBM side, which is the Pharmacy Benefits Manager. There's a retail side too for all the stores, but our data wa...
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Also Known As

erwin DM
System Architect
 

Overview

 

Sample Customers

 Premera, America Honda Motors, Aetna, Kaiser Permanente, Dental Dental Cali, Cigna, Staples
Wuxi Lake Cloud, Nationwide, ETI, IDS Scheer
Find out what your peers are saying about Camunda, Microsoft, Bizagi and others in Business Process Design. Updated: January 2026.
881,082 professionals have used our research since 2012.