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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 (13th)
 

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 3.8%, up 3.2% compared to last year.
IBM Event Streams, on the other hand, focuses on Message Queue (MQ) Software, holds 3.0% mindshare, up 1.0% since last year.
Streaming Analytics Mindshare Distribution
ProductMindshare (%)
Apache Kafka3.8%
Apache Flink7.9%
Databricks7.8%
Other80.5%
Streaming Analytics
Message Queue (MQ) Software Mindshare Distribution
ProductMindshare (%)
IBM Event Streams3.0%
IBM MQ20.9%
ActiveMQ20.0%
Other56.1%
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

"Performance-wise, Kafka is better than any of the other products."
"Kafka is scalable. It can manage a high volume of data from many sources."
"The solution is stable, and the most fantastic thing about it is its throughput."
"Overall, I rate Apache Kafka as nine out of ten for its scalability and stability."
"The most valuable feature of Apache Kafka is the clustering which is very easy to scale and we have multiple servers all over our platforms. It has been useful for stability and performance."
"Its availability is brilliant."
"The stream processing is a very valuable aspect of the solution for us."
"A great streaming platform."
"I'm an administrator, and what I like most is the interface, the security, and the storage."
"I am happy with the product, other than pricing I don't have any other improvements that I can suggest."
"The system efficiently processes and calculates the data flow within the cluster using DLP functionality."
"The stability has been good."
"The triggering scenarios and routing scenarios are all good, making it a very useful solution for financial institutions."
 

Cons

"As an open-source project, Kafka is still fairly young and has not yet built out the stability and features that other open-source projects have acquired over the many years. If done correctly, Kafka can also take over the stream-processing space that technologies such as Apache Storm cover."
"Kafka 2.0 has been released for over a month, and I wanted to try out the new features. However, the configuration is a little bit complicated: Kafka Broker, Kafka Manager, ZooKeeper Servers, etc."
"Stability of the API and the technical support could be improved."
"The third party is not very stable and sometimes you have problems with this component. There are some developments in newer versions and we're about to try them out, but I'm not sure if it closes the gap."
"The support on Apache Kafka could be improved."
"I would like to see monitoring service tools."
"I would like them to reduce the learning curve around the creation of brokers and topics. They also need to improve on the concept of the partitions."
"More adapters for connecting to different systems need to be available."
"In the next release, I would like to see the GUI allow you to configure the security section."
"The product's interface needs improvement."
"The pricing needs to be improved."
"It would be helpful if they could help us explain why they, as in, the customers, should use the product and the overall benefits."
 

Pricing and Cost Advice

"Apache Kafka is open-source and can be used free of charge."
"The cost can vary depending on the provider and the specific flavor or version you use. I'm not very knowledgeable about the pricing details."
"It's a premium product, so it is not price-effective for us."
"The solution is open source."
"The solution is open source; it's free to use."
"When starting to look at a distributed message system, look for a cloud solution first. It is an easier entry point than an on-premises hardware solution."
"The price of Apache Kafka is good."
"We use the free version."
"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%
Outsourcing Company
10%
Computer Software Company
8%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business33
Midsize Enterprise20
Large Enterprise50
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: July 2026.
907,372 professionals have used our research since 2012.