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 8.3% 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 46 erwin Data Modeler reviews

5,210 Views
3,543 Comparison Views

95% willing to recommend

UNICOM System Architect

Read 2 UNICOM System Architect reviews

377 Views
377 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: December 2025).

Buyer's Guide

UNICOM System Architect vs. erwin Data Modeler

December 2025

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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

8.6

Reviews Sentiment

5.9

Number of Reviews

Ranking in other categories

Business Process Design (8th), Data Governance (15th)

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 January 2026, in the Enterprise Architecture Management category, the mindshare of erwin Data Modeler is 8.3%, down from 11.1% compared to the previous year. The mindshare of UNICOM System Architect is 1.4%, up from 0.6% 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	8.3%
UNICOM System Architect	1.4%
Other	90.3%

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

"This tool is beneficial to any organization as it is foundational; there is no better way than this, and it is a must-have for every organization, whether large or small."

"We find that its ability to generate database code from a model for a wide array of data sources cuts development time. The ability to create one model in your design phase and then have it generate DDL code for Oracle or Teradata, or whichever environment you need is really nice. It's not only nice but it also saves man-hours of time. You would have to take your design and just type in manually. It has to take days off out of the work."

"Another feature of erwin is that it can help you enforce your naming standards. It has little modules that you can set up and, as you're building the data model, it's ensuring that they conform to the naming standards that you've developed."

"They have a lot of features and the most up-to-date technology integration, which I haven't seen in other products."

"When you're getting down to the database level, where you're building a design and you're creating DDL out of it, or you're going in the other direction where you're reaching into system catalogs and bringing things back, that starts to really require specialization. Visio isn't going to reverse-engineer that for you. Those features in erwin are valuable."

"The fitting model is very intuitive."

"The most valuable feature is the physical or visual representation of the database, showing the tables, the columns, the foreign keys, and the ability to generate DDL, so you can physically implement databases."

"Drag-and-drop data modeling and reverse engineering out of databases are the most valuable features of erwin Data Modeler by Quest."

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

"The Bulk Editor needs improvement. If you had something that was a local model to your local machine, you could connect to the API, then it would write directly into the repository. However, when you have something that is on the centralized server, that functionality did not work. Then, you had to export out to a CSV and upload up to the repository. It would have been nice to be able to do the direct API without having that whole download and upload thing. Maybe I didn't figure it out, but I'm pretty sure that didn't work when it was a model that sat on a centralized repository."

"The solution's reporting side needs to be improved."

"I am not so happy with its speed. Sometimes, it can have problems with connections."

"I would like to see the reporting capabilities be more dynamic and more inclusive of information. The API is very sparsely understood by people across the user community."

"It does not have a cloud application."

"erwin generally fails to successfully reverse engineer our Oracle Databases into erwin data models. The way that they are engineered on our side, the syntax is correct from an Oracle perspective, but it seems to be very difficult for erwin to interpret. What I end up doing is using Oracle Data Modeler to reverse engineer into the Oracle data model, then forward engineer the DDL into an Oracle syntax, and importing that DDL into erwin in order to successfully bring in most of the information from our physical data models. That is a bit of a challenge."

"I would like to have more data sources from other, different vendors. In recent years, the vendor has reduced the number of data sources, and I would like to have more data sources for every brand. For example, with Oracle, I would like to have compatibility for many versions, including old ones, not just the most recent."

"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."

More erwin Data Modeler cons

"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."

"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."

Pricing and Cost Advice

"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."

"The pricing of the solution is cheap. I rate the pricing a five out of ten."

"erwin is expensive compared to other solutions. We are paying almost $6,000 per seat a month."

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

"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."

"Likewise, the solution is a little pricey."

"The primary reasons that erwin was selected were that it was much more affordable for us [than Embarcadero] and it was easily maintainable."

"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."

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

18%

Government

Manufacturing Company

Performing Arts

No data available

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	15
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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Product Reports

Buyer's Guide

erwin Data Modeler

January 2026

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Buyer's Guide

Enterprise Architecture Management

January 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

December 2025

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