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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
16th
Average Rating
7.4
Number of Reviews
5
Ranking in other categories
No ranking in other categories
iServer
Ranking in Enterprise Architecture Management
10th
Average Rating
7.4
Reviews Sentiment
7.4
Number of Reviews
18
Ranking in other categories
Business Process Design (14th)
 

Mindshare comparison

As of May 2026, in the Enterprise Architecture Management category, the mindshare of IBM Rational System Architect is 2.8%, up from 1.7% compared to the previous year. The mindshare of iServer is 4.7%, up from 4.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Enterprise Architecture Management Mindshare Distribution
ProductMindshare (%)
iServer4.7%
IBM Rational System Architect2.8%
Other92.5%
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

"The user interface is good. It's both clear and comprehensible. It's easy to work with."
"The solution is pretty stable."
"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."
"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."
"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."
"The main advantage of the solution and its most valuable aspect is the customization of the meta-model."
"This is a flexible tool compared to some other solutions."
"The solution has wide use within Microsoft products. The integration with Microsoft products, and, in particular, Microsoft Office, is great."
"It has helped having data lineage in the business cluster, which is used as control artifacts."
"There were lots of different requirements, and collaboration and review is one of the biggest things, there is also Office 360 integration, and there's flexibility to use it as a database as well."
"iServer is a solution that helps catalog enterprise architect solutions and catalog information."
"From September 2014 through January 2015, I received help from the tech support staff of iServer, who were very prompt and almost instantaneously responded, and if it was something difficult, they brought three to four people to talk with me and then solved the problem within minutes."
"iServer is a very flexible platform for defining your own enterprise architecture model."
"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

"This solution can be more user-friendly and easier to use, with better dashboards."
"There needs to be more information at the outset about how to use the solution and how to deploy it."
"The solution needs to better integrate with other products, like Microsoft."
"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."
"It was sold separately and it is not very easy for somebody who wants to use the solution for modeling to think that you have to select specific modules in order to use the product."
"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."
"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."
"Cannot see which activities are control activities."
"The one issue is that if you want to import predefined work, you need to put the licensing model in. So if you wanted to import work that was done before, you then need to buy a separate product for that."
"Customer service can be improved as the vendor is based in UK. Having regional support could improve time and communications."
"It definitely needs help to improve the visual aspect of the solution."
"It's a very simple tool, which makes me concerned with the performance."
"There could be features for process mining, process simulation, and analytics."
"We could allocate permissions to use only specific components to the users rather than the entire instance."
"I haven't used this solution long enough to know what areas could be improved."
 

Pricing and Cost Advice

Information not available
"The solution is cheaper than its competitors."
"Aim for the exact number of people who shall define/review approve and view the processes, as it will impact the cost."
"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 price of iServer is reasonable compared to other solutions."
"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
10%
Manufacturing Company
8%
Government
7%
Financial Services Firm
22%
Government
9%
Manufacturing Company
8%
Retailer
5%
 

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.
893,221 professionals have used our research since 2012.