UNICOM System Architect vs erwin Data Modeler comparison

Quest Software and Unicom Systems are both solutions in the Enterprise Architecture Management category. Quest Software is ranked #2 with an average rating of 8.4, while Unicom Systems is ranked #24. Quest Software holds a 8.4% mindshare in AM, compared to Unicom Systems’s 1.4% mindshare. Additionally, 95% of Quest Software users are willing to recommend the solution, compared to 50% of Unicom Systems users who would recommend it.

erwin Data Modeler

Read 47 erwin Data Modeler reviews

5,545 Views
3,771 Comparison Views

95% willing to recommend

UNICOM System Architect

Read 2 UNICOM System Architect reviews

404 Views
404 Comparison Views

50% willing to recommend

erwin Data Modeler

UNICOM System Architect

Comparison Buyer's Guide

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Executive SummaryUpdated on Nov 23, 2025

UNICOM System Architect and erwin Data Modeler are in the enterprise architecture and data modeling spaces respectively. UNICOM System Architect takes the lead in enterprise architecture due to its robust features, while erwin Data Modeler excels in data modeling, making it a worthwhile investment.

Features: UNICOM System Architect provides comprehensive tools for enterprise architecture, including advanced diagramming, extensive metadata management, and support for complex architecture frameworks. Erwin Data Modeler focuses on data modeling with strong database design capabilities, effective data source integration, and efficient visualization tools.

Ease of Deployment and Customer Service: UNICOM System Architect offers a flexible deployment model adaptable to various enterprise systems, with commendable customer service. Erwin Data Modeler is straightforward to deploy in data-focused environments, coupled with responsive customer support, making it intuitive for data modelers.

Pricing and ROI: UNICOM System Architect is competitively priced, offering ROI benefits for organizations prioritizing enterprise architecture. Erwin Data Modeler, though typically higher in cost, provides significant ROI for those focusing on data architecture solutions.

To learn more, read our detailed UNICOM System Architect vs. erwin Data Modeler Report (Updated: February 2026).

Buyer's Guide

UNICOM System Architect vs. erwin Data Modeler

February 2026

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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 Enterprise Architecture Management

2nd

Average Rating

8.4

Reviews Sentiment

5.9

Number of Reviews

Ranking in other categories

Business Process Design (7th), Data Governance (9th)

UNICOM System Architect

Ranking in Enterprise Architecture Management

24th

Average Rating

6.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of February 2026, in the Enterprise Architecture Management category, the mindshare of erwin Data Modeler is 8.4%, down from 11.2% compared to the previous year. The mindshare of UNICOM System Architect is 1.4%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Enterprise Architecture Management Market Share Distribution
Product	Market Share (%)
erwin Data Modeler	8.4%
UNICOM System Architect	1.4%
Other	90.2%

Enterprise Architecture Management

Featured Reviews

Sushree Panigrahi

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.

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reviewer1261290

Project Manager at a government with 10,001+ employees

Useful for creating build-outs and architecture views, but requires a publisher add-on for some detailed reports

I don't use the tool or know a lot. It is going to have some shortcomings. When it comes down to publishing, we just found out this week that they actually have a publisher add-on. So, what we were trying to publish was not giving a detailed report about the architecture, views, etc. I just wish they had sent these to UNICOM and contacted them about add-on features for the publishing part of the tool.

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Quotes from Members

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

Pros

"It has centralized storage so that a data model can be shared by different teams."

"We had some data integration projects, where we needed to integrate it for about 100 databases. Doing that manually is crazy; we can't do that. With erwin, it was much easier to identify which tables and columns could be used for the integration. That means a lot in terms of time and effort as well as my image to the customer, because they can see that we are providing value in a very short time."

"It supports a wide variety of databases, including the latest ones. We have chosen to go for a cloud-based database, and it supports that, which is very useful."

"My favorite feature of erwin Data Modeler is that we can export and import tables directly from the databases, and it is easy to map from table to table and column to column."

"We use the Forward and Reverse Engineering tools to help us speed things up and create things that would have to be done otherwise by hand. E.g., getting a database into a data model format or vice versa."

"I love the way erwin Data Modeler creates data models and presents them for our users."

"The product lets us import different types of models from various databases."

"I compare erwin Data Modeler with other solutions such as ER/Studio and believe it stands out as an enterprise-grade data modeling tool capable of serving different industries, such as finance, healthcare, and telecom."

More erwin Data Modeler pros

"It is useful for creating build-outs and architecture views and for publishing reports and stuff like that for different programs."

"It has good end-to-end metamodel interrelationships."

Cons

"It would be nice to have it on the Linux platform, not just Windows. If they can support Linux, there would be a huge market for it."

"I'd really like to see the PDF function become available. It would make my life much easier than what it is at the moment because whenever I need to collaborate with people that do not have erwin, I have to go through the wonkiness of going to Word and then save it from Word into PDF. There's a lot of differences between erwin 4.4 and 2020."

"I would like the solution to be less rigid in terms of its theory."

"The erwin ETL functionality has room for improvement when it comes to mapping databases with a classic entity-relationship model to a data warehouse model."

"Erwin Data Modeler is a good product, but I recently experienced a problem where I was not able to open an erwin Data Modeler file because its version had automatically changed."

"This is a very complex product."

"The navigation is a little bit of a challenge. It's painful. For example, if you've got a view open and you want to try to move from side to side, the standard today is being able to drag and drop left and right. You can't really do that in the model. Moving around the model is painful because it doesn't follow the Windows model today."

"One of the best aspects of the tool is its reverse engineering capability."

More erwin Data Modeler cons

"They need to add reports that show the enterprise architecture perspectives, and the dashboards should be comfortable for the senior enterprise architects so that they can view the complete landscape."

"I don't use the tool or know a lot. It is going to have some shortcomings. When it comes down to publishing, we just found out this week that they actually have a publisher add-on. So, what we were trying to publish was not giving a detailed report about the architecture, views, etc. I just wish they had sent these to UNICOM and contacted them about add-on features for the publishing part of the tool."

Pricing and Cost Advice

"There are no costs in addition to the standard licensing fees."

"Price-wise, erwin Data Modeler is okay. You can purchase a single license and it is not very expensive."

"The price of erwin Data Modeler is very expensive, in particular for this part of the world."

"The solution is expensive."

"The tool is expensive."

"I don't specifically know what we're paying now. About three years ago, in another organization, I have this memory of 6,000 AUD a seat or something like that, but I am not sure. In the mid-2000s, it was something like 1,200 AUD a seat. I get the impression that there was a price jump when it was spun off from CA as a separate company, which is understandable, but it could sometimes be a barrier in some organizations picking it up. I haven't talked to erwin people yet, but I'm going to suggest to them that they could perhaps think of having an entry-level product that is priced a bit lower, and then, you can buy the extra suite."

"erwin Data Modeler by Quest is an expensive solution."

"There is either a one-year or three-year license. It is not a pay-as-you-go license like a SaaS solution. It’s more of a traditional licensing. They are a little bit on the pricier side."

More erwin Data Modeler pricing and cost advice

"I don't remember the price. It is a different cost for just buying it, and then you have a maintenance cost, which you need to renew every year."

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Top Industries

By visitors reading reviews

Financial Services Firm

17%

Manufacturing Company

Government

Performing Arts

No data available

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	16
Midsize Enterprise	3
Large Enterprise	34

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...

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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...

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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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Comparisons

SAP PowerDesigner vs erwin Data Modeler

Compared 42% of the time

IDERA ER/Studio vs erwin Data Modeler

Compared 9% of the time

Lucidchart vs erwin Data Modeler

Compared 6% of the time

Visio vs erwin Data Modeler

Compared 5% of the time

Sparx Systems Enterprise Architect vs erwin Data Modeler

Compared 4% of the time

More erwin Data Modeler Competitors

Sparx Systems Enterprise Architect vs UNICOM System Architect

Compared 34% of the time

IBM Rational System Architect vs UNICOM System Architect

Compared 26% of the time

BiZZdesign HoriZZon vs UNICOM System Architect

Compared 21% of the time

More UNICOM System Architect Competitors

Product Reports

Buyer's Guide

erwin Data Modeler

February 2026

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Buyer's Guide

Enterprise Architecture Management

February 2026

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Also Known As

erwin DM

No data available

Overview

Erwin Data Modeler provides an effective approach to visualizing and managing data models. It assists in creating, reversing, and synchronizing data models with ease, supporting logical and physical transitions while enhancing understanding across teams.

Erwin Data Modeler is a comprehensive tool designed for professional database management. It offers capabilities to organize and enforce standards, automating script generation with robust reverse engineering and DDL output. Users can manage complex data environments, capitalize on integration with data intelligence, and maintain large-scale databases smoothly. Despite its strengths, improvements in multi-language support, database integration, and reporting features are needed. Users benefit from extensive support for conceptual, logical, and physical database modeling, enhancing architectural design and data governance for platforms like SQL Server, Oracle, and Teradata.

What are the key features of Erwin Data Modeler?

Visual Representation: Facilitates clear visualization of data models, aiding comprehension.
Versioning and Editing: Enhance usability with versioning and bulk editing capabilities.
Reverse Engineering: Offers powerful tools for reverse engineering and DDL generation.
Integration: Aligns with data intelligence to streamline database management.
Naming Standards: Enforces consistency with automated script creation.

What benefits should users consider in Erwin Data Modeler reviews?

Collaboration: Promotes team understanding and collaboration through visual tools.
Automation: Reduces manual effort through automated processes and integration.
Scalability: Handles large database management efficiently, crucial for enterprise settings.
Data Governance: Facilitates effective data governance with structured modeling.

Erwin Data Modeler finds application in industries focused on robust data management, implementing it for enterprise data warehouses, business domain models, and operational systems. It supports architectural design and governance, aligning with business applications demanding precise data representation and visualization.

Quest Software

Information not available

Unicom Systems

Sample Customers

Premera, America Honda Motors, Aetna, Kaiser Permanente, Dental Dental Cali, Cigna, Staples

Apple, Facebook, Google, HSBC, PayPal

Buyer's Guide

UNICOM System Architect vs. erwin Data Modeler

February 2026

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