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IBM System Architect vs erwin Data Modeler comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Mar 1, 2026

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
4th
Average Rating
8.4
Reviews Sentiment
5.8
Number of Reviews
64
Ranking in other categories
Enterprise Architecture Management (1st), Data Governance (10th)
IBM System Architect
Ranking in Business Process Design
24th
Average Rating
6.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2026, in the Business Process Design category, the mindshare of erwin Data Modeler is 3.2%, up from 2.0% compared to the previous year. The mindshare of IBM System Architect is 1.7%, up from 0.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Business Process Design Mindshare Distribution
ProductMindshare (%)
erwin Data Modeler3.2%
IBM System Architect1.7%
Other95.1%
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…

Quotes from Members

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

Pros

"erwin Data Modeler offers a wide variety of databases supported both in the cloud and on premises, and support for IDF1X."
"The solution is good for organizing the data and the scripting part is very powerful. It's easy to create technical scripts for models."
"The value of understanding your data in a graphical way has been very rich in communicating to developers and testers when they recognize the relationships and the business rules."
"The solution’s code generation ensures accurate engineering of data sources, as there is no development time. Code doesn't even have to be reviewed. We have been using this solution for so long and all the code which has been generated is accurate with the requirements. Once we generate the DDLs out of the erwin tools, the development team does a quick review of the script line by line. They will just be running the script on the database and looking into other requirements, such as the index. So, there is less effort from development side to create tables or build a database."
"It improved the way we were able to manage our models."
"Erwin Data Modeler is well organized, and the screen layout is intuitive."
"The principal feature that I liked is that the solution has a very graphic interface."
"It's a safeguard for me because I'm always concerned that somebody is free handing it and will forget a key coming from the parent. The migrating keys are a great feature. Identifying relationships, non-identifying relationships, and being visually right there to understand the differences are great features. erwin is key to being able to visually understand whatever the customer is requesting. They'll give you words on a paper, but once they can actually view it as a picture, it really comes to life. The data comes to life to where they understand exactly what they're asking for."
"It has helped in supporting the development of an Enterprise Data Model."
 

Cons

"I believe the first area where erwin Data Modeler could improve is in conceptual modeling; currently, there is no way to create a conceptual model."
"It does not have a cloud application."
"I find the UI very clunky and very difficult to use."
"One of the things I've been talking to the erwin team about through the years is that every data model should have the ability to be multi-language... When I was working at Honda, it became very difficult to work with the Japanese teams using just one model. You can have two models, one in English and one in Japanese, but that means you have to keep the updates back and forth, and that always increases the risk of something not being updated."
"The modeling product itself is far and above anything else that I've seen on the market. There are certain inconsistencies when it comes to keeping up with other platforms' databases in the reverse-engineering process. It should also support more database platforms."
"The erwin Data Modeler is quite complex to use."
"The only real complaint I have is the time it takes to do a database comparison on a large model. If they could speed that up, that would be the only thing I can think of that needs improvement."
"There are some bugs here and there. The default code that comes with the customizable packages is a bit buggy on some platforms such as PostgreSQL."
"The product is very outdated software; complex to use, and the GUI is a fat client so no mobile or web access."
 

Pricing and Cost Advice

"The tool is expensive."
"It is not a very expensive solution. Only the licensing and maintenance fee needs to be paid."
"The price should be lower in order to be on the same level as its competitors."
"I wish it wasn't so expensive. I would love to personally buy a copy of my own and have it at home, because the next job that I'm looking at is probably project management and I might not have access to the tool. I would like to keep my ability to use the tool. Therefore, they should probably have a pricing for people like me who want to just use the solution as an independent consultant, trying to get started. $3,000 is a big hit."
"erwin has this option where you pay a one-time fee and you have the license for six years, which makes sense because I don't upgrade my database engine every other year. I have an application that depends on it. This is something weird about PowerDesigner. There are no additional costs beyond the standard licensing fee."
"Pricing is very high compared to any other product."
"Price-wise, erwin Data Modeler is okay. You can purchase a single license and it is not very expensive."
"The solution is expensive."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
14%
Outsourcing Company
9%
Manufacturing Company
8%
Marketing Services Firm
6%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise4
Large Enterprise60
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for erwin Data Modeler by Quest?
The experience with pricing, setup cost, and licensing is that the licensing process is painful and quite onerous. The setup is okay, but there is room for improvement.
What needs improvement with erwin Data Modeler by Quest?
Regarding improvements, the first thing I would mention is that every release has some issues, some of which are related to current functionalities, which means they often seem not very well tested...
What is your primary use case for erwin Data Modeler by Quest?
My main use case for erwin Data Modeler is to implement a single data architecture design department so everyone is using erwin Data Modeler for their data models to be a transactional application ...
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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, Bizagi, Microsoft and others in Business Process Design. Updated: September 2026.
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