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3SL Cradle vs IBM DOORS comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Apr 6, 2025

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

3SL Cradle
Ranking in Application Requirements Management
8th
Average Rating
8.0
Reviews Sentiment
9.2
Number of Reviews
3
Ranking in other categories
No ranking in other categories
IBM DOORS
Ranking in Application Requirements Management
1st
Average Rating
8.0
Reviews Sentiment
7.0
Number of Reviews
55
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2025, in the Application Requirements Management category, the mindshare of 3SL Cradle is 1.6%, up from 1.3% compared to the previous year. The mindshare of IBM DOORS is 32.9%, down from 34.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Requirements Management
 

Featured Reviews

Siegmar-Schuenke - PeerSpot reviewer
Flexible solution that manages all your needs
I mainly use 3SL Cradle to manage the requirements from service projects 3SL Cradle's most valuable feature is its flexibility in managing all your needs immediately.  3SL Cradle could be improved with better support for SysML functionalities. In the next release, I would like 3SL Cradle to be…
SHRINIVAS ALAGERI - PeerSpot reviewer
Offers a well-refined ASPICE template and satisfying requirement management features
IBM DOORS effectively synchronizes with Polarion. But suppose when Polarion is running on Linux and you want to integrate with IBM DOORS on Windows, that is when compatibility issues arise. For the aforementioned issue we often receive advise in our company to migrate Polarion to Windows before integration. IBM DOORS is a heavy-duty application compared to competitors such as PTC Integrity. Exporting an IBM DOORS module is highly time-consuming for its bulkiness. PTC Integrity is a lighter solution that allows the development of a gateway template. It's crucial to consider the use cases and the other vendors that need to be integrated before using IBM DOORS. Our company is a PTC competence center, so most of our customers are from PTC. The customer integrations our company deals with include modeling tools such as Simulink, MATLAB, and Integrity Modeler to synchronize documents. The digital threat maintenance between IOD and Windchill is also a crucial part of our organization's operations. The solution should be more compatible with thin clients, there should be focus on web-based clients who can be more effective in IBM DOORS. At our company, we don't want every customer to use the thick client format with the solution. I would like to witness the seamless integration of IBM DOORS with Windchill in the future version. The integrations in IBM DOORS should be web-based, I don't prefer to use multiple plug-ins. For example, I want to integrate IBM DOORS with MATLAB, Simulink and Jenkins effortlessly which is possible in Codebeamer. I want every feature of Codebeamer to be present in IBM DOORS in the future releases.

Quotes from Members

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

Pros

"3SL Cradle's most valuable feature is its flexibility in managing all your needs immediately."
"Rational DOORS' most valuable feature is that you can write any kind of requirement you want."
"I like being able to sort and categorize the requirements and the exporting functions."
"The most valuable feature of this solution is traceability. We can track every requirement, including what the stakeholder must do and component-level requirements."
"Compared to other tools that I have used over the past 20 years, DOORS is the best of the best."
"It has the features of: traceability, configuration management, and user access."
"I really enjoyed the API."
"It is very customizable and easy to scale."
"The traceability matrix in DOORS improved our project outcomes. It helps ensure coverage of requirements at different levels, from user requirements to software requirements to test requirements."
 

Cons

"3SL Cradle could be improved with better support for SysML functionalities."
"Overall, the user experience should be enhanced."
"Not all Rational Team Concert operations are available from the web client. Certain operations, like creating streams or components, still require using the desktop application. They're not accessible through the web interface. And in my opinion, this limitation should be removed."
"The problem is that because the GUI is so bad, you either have to spend a lot of money customizing the interface yourself, or a lot of money on training."
"Complexity, performance, openness are the three areas that can be improved. The IBM architecture and specifically Jazz looks more complex. There are a lot of servers. It's quite complicated. The search capabilities lack in IBM Rational DOORS Classic for customers who have a database with a requirement of more than 25,000 records. For example, you can search easily for a module, but it's really difficult to look for keywords through the whole database because all the modules are separated into small components, which makes the search quite complex. This is something that's really annoying because when we want to make an impact analysis, we would like to analyze the product globally. It's quite difficult to manage. The fact that you can interact externally with data makes it complex. The approach is complex and doesn't work as expected. For example, when I tried to experiment with exporting some records, the tool crashed, but I couldn't find out the root cause, that is, whether it happened because of Rational Windows or lack of memory. It was just crashing. Logs weren't very clear. IBM can try to use more recent technology for different aspects and make it easy. They can also provide free integration from DOORS Classic to DOORS. Currently, all the customization in Excel is lost, which makes it very complex. It would be a feature to make new versions compatible with features in the past versions."
"The kind of dashboard is not very convenient."
"It would have been ok ten years ago, but we are used to having better tools now."
"It would be helpful if Microsoft provided a more user-friendly interface for updating and querying updates. Additionally, if there was a way for users to notify developers of any changes in requirements, it would allow for faster and more efficient updates to the solution's architecture. This could be in the form of a notification system that alerts developers of any changes that need to be made. Additionally, the solution is document-driven and it should be more digital."
"It's difficult to set the code on the solution."
 

Pricing and Cost Advice

Information not available
"I would rate the pricing a seven out of ten, with one being very affordable and ten being quite expensive."
"The licensing cost is too high."
"We have to pay for a license. I think it's a one-time payment as my company hasn't notified me about more charges. I don't think it's expensive for large corporations, but it will be costly for an average person."
"I am not sure why it is so expensive, but one license will cost approximately $15,000 in US dollars."
"Licensing fees are billed annually and there is no support included with what I pay."
"IBM DOORS is available at a reasonable price"
"It's expensive."
"IBM Rational DOORS is highly expensive."
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Top Industries

By visitors reading reviews
Aerospace/Defense Firm
29%
Manufacturing Company
19%
Energy/Utilities Company
10%
Computer Software Company
7%
Manufacturing Company
27%
Computer Software Company
9%
Aerospace/Defense Firm
8%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What needs improvement with 3SL Cradle?
The support is consistent globally. However, heavier support is provided in certain locations. Improvement in support is necessary. Assistance is available to acquire information and utilize userna...
What advice do you have for others considering 3SL Cradle?
If you have time to take some courses about 3SL Cradle, it will give you more time in the project to familiarize yourself with Cradle. I recommend it, but you need to do it within a very short time...
What do you like most about IBM Rational DOORS?
The traceability matrix in DOORS improved our project outcomes. It helps ensure coverage of requirements at different levels, from user requirements to software requirements to test requirements.
What is your experience regarding pricing and costs for IBM Rational DOORS?
Over the years, the first version cost something around 5800 euros.
What needs improvement with IBM Rational DOORS?
Compared to today, DOORS' competitors also excel in this discipline. Yet the price is too high. It's often not as generic as it used to be. IBM promised to find a way for a generic format that allo...
 

Also Known As

Cradle
Rational DOORS
 

Overview

 

Sample Customers

NASA, In-Depth Engineering Corporation, Avibras
Infosys, Chevrolet Volt
Find out what your peers are saying about 3SL Cradle vs. IBM DOORS and other solutions. Updated: June 2025.
856,873 professionals have used our research since 2012.