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IBM Rational System Architect vs iServer comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 3, 2024

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

IBM Rational System Architect
Ranking in Enterprise Architecture Management
17th
Average Rating
7.4
Number of Reviews
5
Ranking in other categories
No ranking in other categories
iServer
Ranking in Enterprise Architecture Management
9th
Average Rating
7.4
Reviews Sentiment
7.4
Number of Reviews
18
Ranking in other categories
Business Process Design (15th)
 

Mindshare comparison

As of April 2026, in the Enterprise Architecture Management category, the mindshare of IBM Rational System Architect is 2.5%, up from 1.7% compared to the previous year. The mindshare of iServer is 4.8%, up from 4.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Enterprise Architecture Management Mindshare Distribution
ProductMindshare (%)
iServer4.8%
IBM Rational System Architect2.5%
Other92.7%
Enterprise Architecture Management
 

Featured Reviews

GM
IT/Business Architect at a financial services firm with 51-200 employees
Lots of valuable features, especially the metamodel customization
In terms of what could be improved, we did not take the whole package with all the modules, and I think that the integration with other platforms like Office could be better. The reverse engineering of the database is already there, but in the next release I would like to see some pilot supplied with the solution in order to address any database.
Antonios Lazanakis - PeerSpot reviewer
Senior IT Solution Architect at a financial services firm with 10,001+ employees
Flexible, easy to use, and easy to import data
We use iServer to establish an enterprise architecture function in our organization iServer is a very flexible platform for defining your own enterprise architecture model. It is very easy to import data, and we also have good integration with Visual Drawing Tools and SharePoint. The solution is…

Quotes from Members

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

Pros

"There are a lot of features I find valuable, but I think that the metamodel customization is one of the best features that the solution offers."
"The solution is pretty stable."
"The System Architect Product has greatly assisted the corporate strategic planning process in two areas: the simulation of scenarios for Enterprise Transformation Projects and providing a global view of Enterprise Capabilities and Functional Gaps."
"We have seen ROI with this solution over the years that we have used it."
"We have seen ROI with this solution over the years that we have used it."
"The user interface is good. It's both clear and comprehensible. It's easy to work with."
"There are a lot of features I find valuable, but I think that the metamodel customization is one of the best features that the solution offers."
"The user interface is good. It's both clear and comprehensible."
"Central repository holding single version of truth."
"This is a flexible tool compared to some other solutions."
"The product has a valuable customized model."
"The most valuable feature is its reporting capability. It offers various packages for different types of reports, such as business and project management reporting packs."
"Integrating the Microsoft documents to the product and visualization matrix where we can see the end-to-end relationship of the network is of great importance to our company."
"This is a flexible tool compared to some other solutions."
"We like the governance."
"Integrating the Microsoft documents to the product and visualization matrix where we can see the end-to-end relationship of the network is of great importance to our company."
 

Cons

"There needs to be more information at the outset about how to use the solution and how to deploy it. The deployment process needs improvement."
"We are not happy with this product and are not planning to continue with it."
"The solution needs to better integrate with other products, like Microsoft."
"There needs to be more information at the outset about how to use the solution and how to deploy it."
"The reverse engineering of the database is already there, but in the next release I would like to see some pilot supplied with the solution in order to address any database."
"This solution can be more user-friendly and easier to use, with better dashboards."
"Integration with all other software, like Microsoft, to facilitate an exchange, is not great."
"Some aspects of the user interface lack a common navigational or functional framework."
"Overall, I would say that it's a poor man's EA repository. It seems like a good idea, but doesn't really work in practice."
"The modelling needs improvement, specifically forecasting capabilities and scenarios."
"iServer is a solid tool. Occasionally, we needed to contact the vendor to clarify details such as porting issues, missing components, and model specifics."
"I haven't used this solution long enough to know what areas could be improved."
"We could allocate permissions to use only specific components to the users rather than the entire instance."
"I do not find it friendly to use."
"Requirements management needs to be improved."
"The modelling needs improvement, specifically forecasting capabilities and scenarios."
 

Pricing and Cost Advice

Information not available
"It's about 13K to set up and 9K for the license for three months. I think it's about 20K a year, but we haven't firmed up on pricing yet because the price depends on how long we commit to the solution."
"The solution is cheaper than its competitors."
"The price of iServer is reasonable compared to other solutions."
"Aim for the exact number of people who shall define/review approve and view the processes, as it will impact the cost."
"The product has a moderate pricing."
"They offer annual subscriptions for developing countries, which are not affordable for small or medium businesses."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Comms Service Provider
8%
Manufacturing Company
8%
Government
7%
Financial Services Firm
22%
Government
9%
Manufacturing Company
8%
Retailer
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise3
Large Enterprise10
 

Questions from the Community

Ask a question
Earn 20 points
What needs improvement with iServer?
iServer should invest in enhancing the capabilities of the embedded drawing tool, draw.io. draw.io is a drawing tool used to draw architectural diagrams, flow diagrams, etc. It is an alternative to...
What is your primary use case for iServer?
We use iServer to establish an enterprise architecture function in our organization.
What advice do you have for others considering iServer?
I would recommend the solution to other users. Overall, I rate the solution a nine out of ten.
 

Also Known As

Rational System Architect
No data available
 

Overview

 

Sample Customers

Wuxi Lake Cloud, Nationwide, ETI, IDS Scheer
Barclays, Cathay Pacific, Deloitte, British Gas, MasterCard
Find out what your peers are saying about IBM Rational System Architect vs. iServer and other solutions. Updated: April 2026.
890,124 professionals have used our research since 2012.