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IBM Integration Bus vs WSO2 Enterprise Integrator comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 3, 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

IBM Integration Bus
Ranking in Enterprise Service Bus (ESB)
2nd
Average Rating
8.0
Reviews Sentiment
7.2
Number of Reviews
70
Ranking in other categories
No ranking in other categories
WSO2 Enterprise Integrator
Ranking in Enterprise Service Bus (ESB)
7th
Average Rating
7.6
Reviews Sentiment
6.8
Number of Reviews
20
Ranking in other categories
Data Integration (28th)
 

Mindshare comparison

As of June 2026, in the Enterprise Service Bus (ESB) category, the mindshare of IBM Integration Bus is 15.5%, down from 22.1% compared to the previous year. The mindshare of WSO2 Enterprise Integrator is 5.7%, up from 5.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Enterprise Service Bus (ESB) Mindshare Distribution
ProductMindshare (%)
IBM Integration Bus15.5%
WSO2 Enterprise Integrator5.7%
Other78.8%
Enterprise Service Bus (ESB)
 

Featured Reviews

RA
Associate Consultant at MindCraft Software Pvt. Ltd.
Efficient data transformation and seamless integration drive successful deployments
As for improvements in IBM Integration Bus, we are getting another feature of the retry mechanism now. Version 8.13 was upgraded, and we started using the retry mechanism itself, and we are using nodes in the development level. They are improving one of the nodes such as the HTTP request node, implementing the indirect retry mechanism itself, and we are getting new features.
AC
Technical director at Cremete
Effective data transformation and integration in complex environments with high functionality
Something that could be improved in WSO2 Enterprise Integrator is that the problem is not a lack of capability or functionalities. The problem is that it is a very complex environment. To put your hand on this environment is a very demanding task. This is the real problem. The problem is not about the product, but about the complexity to manage, to configure, to decide what to do. I have some experience using SAP R/3. It seems to me something similar. When you have to configure a situation with a client, especially for a client not in an industrial sector, but in a service sector, it is quite usual that you are in trouble for some reason. This is always the story that I found in the implementations I have done. Maybe there are only three or four big problems, in some other cases there are more than that, but this is the situation usually. For WSO2 Enterprise Integrator, not the same, but I must say it is quite often there is a need to put together some pieces and make it work in a coordinated way.

Quotes from Members

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

Pros

"We have benefited by using this solution from the IAB, we have been able to use different delivery types."
"The Aspera feature for high-speed transfer is highly effective."
"The error handling and monitoring functionalities of IBM Integration Bus are very good."
"IBM Integration Bus' most valuable features are its performance, fast and easy development, and easy support."
"like the API lead integration, which is more focused, and I also like real-time integration."
"It is very straightforward. It is very user-friendly integration."
"I really like SQL integration nodes, HTTP nodes, event handling, event monitoring, the performance of the solution."
"The product is usually very easy to deploy."
"The solution basically conforms to our standards."
"The installation process is easy."
"The productivity is the most valuable feature. It is very easy to write remediations."
"WSO2's analytics capability is good, considering the ELC support they provide."
"WSO2 Enterprise Integrator may cost you about twenty-five thousand dollars annually per year compared to IBM Cloud Pak, which would cost you around one million dollars."
"It's a consolidated product. It works and it does its job pretty well."
"The stability is excellent."
"The drag-and-drop features for connectors are very valuable."
 

Cons

"The product lacks an integrated testing module."
"Its integration with Cloud Pak components could be better."
"IBM Integration Bus can improve JSON Schema validations. We don't have any kind of nodes that can support that kind of validation. If we want to containerize it by means of the docker's containers in the clouds, we are not able to manage it very well."
"The product could be improved by including more resources on SQL and improving the simplicity of the resources available."
"Sometimes migration takes too long."
"I would like to see more metered rest and API support. IBM is already working on it on Version 11, but it still needs improvement."
"They should add connectors to banking applications and other specific industries."
"In terms of improvement, the UI should be more user-friendly."
"The product's price is an area of concern where improvements are required."
"They should introduce better pricing for small companies."
"The server is very specific and it is very difficult to get experience with it."
"You cannot include the validation of XPath."
"In my opinion, the administration model and interface, of Carbon, are lacking in terms of its features and user experience."
"The customization can be a bit difficult."
"There are a lot of security settings that when you apply you have to re-apply again every time you modify a setting. It is something that really needs to be enhanced."
"The main issue with the product is pricing. It uses core-based pricing for WSO2 Enterprise Integrator and API Manager. It would be best if you had APIM by default. It provides many connectors for easy integration with third-party systems."
 

Pricing and Cost Advice

"As customers, we always try to buy things as cheaply as possible. But the price for the IBM Integration Bus is fine. When we compare it to competitors, it's pretty much the same. However, there are a lot of open-source integration platforms coming to the market as well. So overall, the price is fine as far as licensed products are concerned."
"It is a highly-priced solution."
"I generally do not get involved in the licensing or pricing because I'm a hardcore technical guy, but I'm aware of the fact that IBM is highly expensive, so not everybody can afford it. All the products are licensed."
"IBM Integration Bus itself is prices fair but App-Connect is a bit expensive which we use in conjunction with it."
"The price is reasonable considering the features we receive."
"The pricing of the solution is high."
"IBM provides a quite complicated licensing model."
"The price of this product could be lower."
"The cost is better than IBM Cloud Pak."
"It is a low-cost solution."
"I rate the product price a six on a scale of one to ten, where one is low price and ten is high price."
"The solution costs about 20,000 or 30,000 euros per year, per instance."
"The pricing of WSO2 Enterprise Integrator for enterprise subscriptions can be considered expensive, especially from the perspective of someone who prefers open-source software."
"The open-source, unsupported version is available free of charge."
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Top Industries

By visitors reading reviews
Financial Services Firm
19%
Manufacturing Company
9%
Comms Service Provider
6%
Computer Software Company
6%
Financial Services Firm
11%
Comms Service Provider
8%
Construction Company
7%
Manufacturing Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise17
Large Enterprise47
By reviewers
Company SizeCount
Small Business8
Midsize Enterprise2
Large Enterprise11
 

Questions from the Community

Migration from IBM Integration Bus to Mulesoft ESB for a large enterprise tech services company
I was previously part of the Oracle SOA/OSB development team. In my current capacity I architected solutions using MuleSoft Anypoint Platform on cloud / on-premises and hybrid modes and on PCE/RTF ...
IBM Integration Bus vs Mule ESB - which to choose?
Our team ran a comparison of IBM’s Integration Bus vs. Mule ESB in order to determine what sort of ESB software was the best fit for our organization. Ultimately we decided to choose IBM Integratio...
What is your experience regarding pricing and costs for IBM Integration Bus?
Regarding the pricing setup cost and licensing for IBM Integration Bus, I believe it is expensive. The IBM tool is now expensive because they moved to the cloud. I am not sure about the previous co...
What needs improvement with WSO2 Enterprise Integrator?
Something that could be improved in WSO2 Enterprise Integrator is that the problem is not a lack of capability or functionalities. The problem is that it is a very complex environment. To put your ...
What is your primary use case for WSO2 Enterprise Integrator?
A typical use case for WSO2 Enterprise Integrator is when I am in an interoperability environment with healthcare facilities and I have to put together a lot of applications that share some HL7 mes...
What advice do you have for others considering WSO2 Enterprise Integrator?
For simpler tasks or simpler use cases, we avoid using WSO2 Enterprise Integrator because it is quite complex. So it is easier to manage some more simple solutions than that. WSO2 Enterprise Integr...
 

Also Known As

IBM WebSphere ESB
No data available
 

Overview

 

Sample Customers

Salesbox, €sterreichische Bundesbahnen (€BB), Road Buddy, Swiss Federal Railways, Electricity Supply Board, The Hartree Centre, ESB Networks
West
Find out what your peers are saying about IBM Integration Bus vs. WSO2 Enterprise Integrator and other solutions. Updated: June 2026.
900,747 professionals have used our research since 2012.