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Apache Kafka vs IBM Event Streams comparison

 

Comparison Buyer's Guide

Executive Summary

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

Apache Kafka
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
92
Ranking in other categories
Streaming Analytics (3rd)
IBM Event Streams
Average Rating
8.4
Reviews Sentiment
7.8
Number of Reviews
3
Ranking in other categories
Message Queue (MQ) Software (12th)
 

Mindshare comparison

Apache Kafka and IBM Event Streams aren’t in the same category and serve different purposes. Apache Kafka is designed for Streaming Analytics and holds a mindshare of 3.9%, up 3.0% compared to last year.
IBM Event Streams, on the other hand, focuses on Message Queue (MQ) Software, holds 2.9% mindshare, up 1.0% since last year.
Streaming Analytics Mindshare Distribution
ProductMindshare (%)
Apache Kafka3.9%
Apache Flink8.2%
Databricks7.9%
Other80.0%
Streaming Analytics
Message Queue (MQ) Software Mindshare Distribution
ProductMindshare (%)
IBM Event Streams2.9%
IBM MQ20.7%
ActiveMQ19.8%
Other56.6%
Message Queue (MQ) Software
 

Featured Reviews

Varuns Ug - PeerSpot reviewer
Senior Software Developer at NIT
Event-driven workflows have improved payment processing and reduced latency across services
One area for improvement in Apache Kafka is operational complexity. Running and maintaining an Apache Kafka cluster at scale involves handling partitions, replications, retention policies, rebalancing, and monitoring, which requires strong expertise. Debugging and observability can be complex in large systems, as troubleshooting issues such as consumer lag, offset management problems, or uneven partition distribution can become challenging. The learning curve is relatively steep, requiring a good understanding of concepts such as partition, consumer group, offset commit, and delivery guarantees to avoid subtle production issues. One area where Apache Kafka could improve is the developer experience around debugging and tracing events end to end. In distributed systems, when an event passes through multiple topics and consumer services, troubleshooting can become time-consuming. Better built-in observability for tracing event flows across services would be very useful.
TM
IBM MQ Specialist / Administrator at a financial services firm with 10,001+ employees
Easy to use, stable, has a good interface, and the security is good
I don't know if it's because of experience, but for me, it was easy to install. It's just a matter of having an RPM, then click next, next, and next again. The difficult part comes in when you have to configure the security. That is the most difficult part, but it's not that difficult. It takes less than two hours to install. Two hours max, because I did one yesterday. I installed it on AWS and it was easy to install the software. It was less than an hour for the bare minimum installation. Setting up the security, took close to two hours.

Quotes from Members

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

Pros

"In our current position, we use it to move a lot of data and I think it's definitely working well."
"Apache Kafka has helped out the organization because we leverage it for all our eCommerce real-time analytics use cases."
"The convenience in setting up after major problems like data center blackouts is a notable feature."
"Kafka makes data streaming asynchronous and decouples the reliance of events on consumers."
"The open-source version is relatively straightforward to set up and only takes a few minutes."
"The most valuable features of the solution revolve around areas like the latency part, where the tool offers very little latency and the sequencing part."
"The connectors provided by the solution are valuable."
"The most valuable feature is that it can handle high volume."
"I'm an administrator, and what I like most is the interface, the security, and the storage."
"The system efficiently processes and calculates the data flow within the cluster using DLP functionality."
"The stability has been good."
"I am happy with the product, other than pricing I don't have any other improvements that I can suggest."
"The triggering scenarios and routing scenarios are all good, making it a very useful solution for financial institutions."
 

Cons

"We struggled a bit with the built-in data transformations because it was a challenge to get them up and running the way we wanted."
"The solution can improve by having automation for developers. We have done many manual calculations and it has been difficult but if it was automated it would be much better."
"If you are using the same group ID for multiple topics, it may shut down the application."
"Confluent has improved aspects like documentation and cloud support, yet Kafka's reliance on older architectures like ZooKeeper in previous versions is a limitation."
"When compared to other commercial competitors, Kafka doesn't have the ability to scale down, the elasticity is lacking in the product."
"Apache Kafka can improve by making the documentation more user-friendly."
"Stability of the API and the technical support could be improved."
"I would like to see monitoring service tools."
"It would be helpful if they could help us explain why they, as in, the customers, should use the product and the overall benefits."
"In the next release, I would like to see the GUI allow you to configure the security section."
"The pricing needs to be improved."
"The product's interface needs improvement."
 

Pricing and Cost Advice

"Kafka is open-source and it is cheaper than any other product."
"Apache Kafka is free."
"Apache Kafka is an open-source solution and there are no fees, but there are fees associated with confluence, which are based on subscription."
"Apache Kafka is an open-source solution."
"It is open source software."
"The price of the solution is low."
"Kafka is an open-source solution, so there are no licensing costs."
"Running a Kafka cluster can be expensive, especially if you need to scale it up to handle large amounts of data."
"The platform is averagely priced."
"The pricing needs to be improved."
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Top Industries

By visitors reading reviews
Financial Services Firm
18%
Manufacturing Company
10%
Computer Software Company
9%
Construction Company
8%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business32
Midsize Enterprise20
Large Enterprise51
No data available
 

Questions from the Community

What are the differences between Apache Kafka and IBM MQ?
Apache Kafka is open source and can be used for free. It has very good log management and has a way to store the data used for analytics. Apache Kafka is very good if you have a high number of user...
What is your experience regarding pricing and costs for Apache Kafka?
From the AWS perspective, the price is on the higher side. However, if you go for Apache Kafka, it is low. From a price perspective, if you are asking about Apache Kafka, I would rate it a nine.
What needs improvement with Apache Kafka?
Apache Kafka is abundant with features which only an expert-level person will be able to manage due to the high volume and high concurrent expectations. Apache Kafka groups could introduce themes o...
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Overview

 

Sample Customers

Uber, Netflix, Activision, Spotify, Slack, Pinterest
American Airlines, UBank, Bitly, Eurobits, Active International, Bison, Contextor, Constance Hotels, Resorts & Golf, Creval, Deloitte, ExxonMobil, FaceMe, FacePhi, Fitzsoft, Fuga Technologies, Guardio, Honeywell, Japanese airline, Jenzabar, KONE
Find out what your peers are saying about Databricks, Microsoft, Apache and others in Streaming Analytics. Updated: June 2026.
902,456 professionals have used our research since 2012.