No more typing reviews! Try our Samantha, our new voice AI agent.

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 (29th)
 

Mindshare comparison

As of May 2026, in the Enterprise Service Bus (ESB) category, the mindshare of IBM Integration Bus is 15.4%, down from 22.0% compared to the previous year. The mindshare of WSO2 Enterprise Integrator is 6.1%, 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 Bus15.4%
WSO2 Enterprise Integrator6.1%
Other78.5%
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

"What I like best are the monitoring features."
"I am into microservices using Java Spring Boot, but if we are using legacy systems, IBM Integration Bus is very good for them, as they have their own computational logic called EC12 and their own proprietary language, and you can do any kind of complex logic and can implement other ESVs that I have seen."
"IBM Integration Bus' most valuable features are its performance, fast and easy development, and easy support."
"IBM Integration Bus has been effective in facilitating our messaging and service-oriented architecture (SOA) or bus architecture. So, we're already utilizing it to transform the data from the source it's sending. It converts the data from the format the source sends it into the format the destination system requires. So we are transforming the messages, which are required by the destination system; that's the one way."
"The biggest advantage of this solution is that it is very easy to learn, and very easy to build applications."
"The error handling and monitoring functionalities of IBM Integration Bus are very good."
"I really like SQL integration nodes, HTTP nodes, event handling, event monitoring, the performance of the solution."
"The most valuable features of the IBM Integration Bus are flexibility. It's also an alternative for integrating it with other projects, which we are not ready at this time to do, such as switching to tunnels. The tunnels would be used with other partners to make sure everything is secured."
"The most valuable aspect of the solution is the integration between core banking and other systems."
"The drag-and-drop features for connectors are very valuable."
"The productivity is the most valuable feature. It is very easy to write remediations."
"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."
"The solution's technical support is very knowledgeable."
"It was mostly easy to set up the product."
"The stability is excellent."
"The solution has two main parts: integration and transformation. It's very user-friendly and easy to understand for everyone."
 

Cons

"They could integrate AI technologies with the product. Additionally, ongoing developments and enhancements in integration technologies could be beneficial."
"Sometimes migration takes too long."
"There are a couple of things I want improved, but I think they have already touched upon all those things in the most recent version. I'm not using the most recent version—I use a version older than the most recent—but I'm sure that if I looked into and explored it, I would see more support on the CI/CD and more support for unit testing automation. I've read that they released all these things in the new version of App Connect. Once I explore the new version of this tool, I'll probably have a better idea of suggested improvements."
"The solution is complex and there is a need for more resources and greatly improved quality."
"Its documentation is currently lacking. We have different environments where we use our configuration services, but we are not able to find documentation about how to deploy the local code to the server and how to set it up on a server level. I would like more documents from IBM that explain which variables should be in your machine while building a project, and when you deploy the code into the server, what should be their values. There are some variable values. I could not find such documentation. While working on a project, I developed the code on a local machine, and while deploying the code to our test environment, I made a couple of mistakes. We had to change some values at the server level, but we couldn't find any documentation regarding this, which made the task difficult."
"Its licensing or subscription model should be improved for more flexible adoption."
"In terms of improvement, the UI should be more user-friendly."
"I would like to be able to run and install this solution on different platforms and using containers and using modern micro-service and cloud environments."
"The server is very specific and it is very difficult to get experience with it."
"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 scalability is not strong. If you want to scale it you have to install multiple servers."
"If I have to buy software, then it becomes expensive for me."
"WSO2 libraries are not mature enough. For example, if you want to integrate with Kafka using its Kafka library, it often has many bugs."
"The customization can be a bit difficult."
"We had some challenges with the installation of this solution."
 

Pricing and Cost Advice

"For small companies, First of all, there are a lot of free products that could be used for integration. It can use the cloud or new implementation in the past. But if the tool is IBM, the official box in your company, you can make your submission and also publish the cloud to the work file. But let’s say, if you are working with premises, then you have to buy a reasonable main full support and gain experience with your product."
"Support costs are high compared to the competition. Otherwise, the support is good."
"The price of the IBM Integration Bus is expensive. If you compare the price to the cloud version you can purchase what you need but the on-premise version price is flat."
"The price is reasonable considering the features we receive."
"The pricing could be improved to make it more competitive."
"It is not cheap. It has its cost. It is one of the high-cost solutions."
"The pricing of the solution is high."
"IBM Integration Bus itself is prices fair but App-Connect is a bit expensive which we use in conjunction with it."
"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."
"It is a low-cost solution."
"The cost is better than IBM Cloud Pak."
"The solution costs about 20,000 or 30,000 euros per year, per instance."
"I rate the product price a six on a scale of one to ten, where one is low price and ten is high price."
report
Use our free recommendation engine to learn which Enterprise Service Bus (ESB) solutions are best for your needs.
893,244 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Financial Services Firm
18%
Manufacturing Company
8%
Computer Software Company
6%
Comms Service Provider
5%
Financial Services Firm
13%
Comms Service Provider
8%
Manufacturing Company
7%
Construction 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: April 2026.
893,244 professionals have used our research since 2012.