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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

"Apache Kafka has helped out the organization because we leverage it for all our eCommerce real-time analytics use cases."
"Apache Kafka offers unique data streaming."
"I use it for real-time processing workloads. So, in some instances, it's like IoT data. We need to put it into a data lake."
"For example, when you want to send a message to inform all your clients about a new feature, you can publish that message to a single topic in Apache Kafka. This allows all clients subscribed to that topic to receive the message. On the other hand, if you need to send billing information to a specific customer, you can publish that message on a topic dedicated to that customer. This message can then be sent as an SMS to the customer, allowing them to view it on their mobile device."
"The main advantage is increased reliability, particularly with regard to data and the speed with which messages are published to the other side."
"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."
"One of the best features which I have worked with is replay."
"In my view, valuable features relate to microservices architecture and working on KStream and KSQL DB as a microservices event bus."
"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."
"The system efficiently processes and calculates the data flow within the cluster using DLP functionality."
"The stability has been good."
"I'm an administrator, and what I like most is the interface, the security, and the storage."
 

Cons

"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."
"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."
"The model where you create the integration or the integration scenario needs improvement."
"I would like to see real-time event-based consumption of messages rather than the traditional way through a loop."
"The ability to connect the producers and consumers must be improved."
"The GUI tools for monitoring and support are still very basic and not very rich. There is no help in determining a shard key for performance."
"If the graphical user interface was easier for the Kafka administration it would be much better. Right now, you need to use the program with the command-line interface. If the graphical user interface was easier, it could be a better product."
"Apache Kafka could improve data loss and compatibility with Spark."
"The product's interface needs improvement."
"The pricing needs to be improved."
"In the next release, I would like to see the GUI allow you to configure the security section."
"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

"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."
"We are using the free version of Apache Kafka."
"Apache Kafka has an open-source pricing."
"It is open source software."
"Licensing issues are not applicable. Apache licensing makes it simple with almost zero cost for the software itself."
"The price of Apache Kafka is good."
"Apache Kafka is an open-source solution."
"The solution is free, it is open-source."
"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
9%
Computer Software 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: July 2026.
904,836 professionals have used our research since 2012.