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IBM Rational System Architect Reviews

Vendor: IBM
3.7 out of 5

What is IBM Rational System Architect?

Featured IBM Rational System Architect reviews

IBM Rational System Architect mindshare

As of April 2026, the mindshare of IBM Rational System Architect in the Enterprise Architecture Management category stands at 2.2%, up from 1.7% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Enterprise Architecture Management Mindshare Distribution
ProductMindshare (%)
IBM Rational System Architect2.2%
LeanIX9.2%
erwin Data Modeler8.3%
Other80.3%
Enterprise Architecture Management
 
 
Key learnings from peers

Valuable Features

Room for Improvement

Popular Use Cases

Service and Support

Deployment

Scalability

Stability

Top industries

By visitors reading reviews
Financial Services Firm
12%
Government
9%
Comms Service Provider
8%
Manufacturing Company
7%
Outsourcing Company
7%
Healthcare Company
6%
University
6%
Computer Software Company
6%
Educational Organization
5%
Media Company
5%
Construction Company
4%
Transportation Company
4%
Marketing Services Firm
4%
Renewables & Environment Company
2%
Aerospace/Defense Firm
2%
Real Estate/Law Firm
2%
Engineering Company
1%
Hospitality Company
1%
Insurance Company
1%
Legal Firm
1%
Logistics Company
1%
Non Profit
1%
Performing Arts
1%
Recreational Facilities/Services Company
1%
Retailer
1%
Energy/Utilities Company
1%
 
IBM Rational System Architect Reviews Summary
Author infoRatingReview Summary
IT/Business Architect at a financial services firm with 51-200 employees4.0I find IBM Rational System Architect stable and scalable, highlighting metamodel customization. I'd improve Office integration and database reverse engineering with more pilots, and advise clearer module selection. I rate it an eight.
IT/Business Architect at a financial services firm with 51-200 employees4.0I found the solution stable and excellent for meta-model customization during an ERC implementation. However, poor integration with other products and a lack of support limited its experimental use, leading management to discontinue it.
Enterprise Architecture Specialist at a energy/utilities company with 10,001+ employees2.5I use this for enterprise architecture modeling and value its modeling, but I'm unhappy with features, integration, and support. Lack of vendor investment means I'm looking to replace it, despite past ROI.
Database Administrator at a tech services company with 10,001+ employees3.5I've used this stable, scalable solution for modeling, appreciating its good UI and support. While initial setup was easy, I need better deployment guidance and more advanced modeling, including AI, to improve my 7/10 experience.
Enterprise Architect at a tech company with 501-1,000 employees4.5I find this product highly valuable for strategic planning, supporting various frameworks and heterogeneous models. Its ROI is high, setup was straightforward, and customer service is great. The only drawback is some UI navigation issues.