Citus Data vs IBM Db2 Database comparison

Citus Data and IBM are both solutions in the Relational Databases Tools category. Citus Data is ranked #18 with an average rating of 7.5, while IBM is ranked #6 with an average rating of 8.3. Citus Data holds a 2.7% mindshare in SQL, compared to IBM’s 7.5% mindshare. Additionally, 100% of Citus Data users are willing to recommend the solution, compared to 90% of IBM users who would recommend it.

Citus Data

Read 3 Citus Data reviews

1,308 Views
1,230 Comparison Views

100% willing to recommend

IBM Db2 Database

Read 75 IBM Db2 Database reviews

4,188 Views
4,020 Comparison Views

90% willing to recommend

Citus Data

IBM Db2 Database

Comparison Buyer's Guide

Download the report

Executive SummaryUpdated on Mar 4, 2025

IBM Db2 Database and Citus Data are competing in the relational databases category. Citus Data seems to have the upper hand due to its robust horizontal scaling capabilities and high-performance features.

Features: IBM Db2 Database is known for its advanced data management, broad integration options, and comprehensive analytics capabilities. Citus Data is recognized for its ability to handle large volumes through distributed database systems, horizontal scalability, and massive parallel processing.

Ease of Deployment and Customer Service: IBM Db2 Database provides a traditional deployment model with extensive documentation and support, suitable for enterprises with complex infrastructures. Citus Data offers a straightforward deployment model leveraging PostgreSQL for easier setup and customization, benefiting from open-source community support.

Pricing and ROI: IBM Db2 Database has a higher setup cost with significant investments in maintenance and training, providing substantial ROI for enterprises with traditional infrastructure. Citus Data is competitively priced, especially in cloud-based environments, with lower initial costs and quick ROI through performance gains and efficient scaling.

To learn more, read our detailed Citus Data vs. IBM Db2 Database Report (Updated: September 2025).

Buyer's Guide

Citus Data vs. IBM Db2 Database

September 2025

Download the complete report

Helped 867,676 peers since 2012

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

Citus Data

Ranking in Relational Databases Tools

18th

Average Rating

8.0

Reviews Sentiment

7.3

Number of Reviews

Ranking in other categories

No ranking in other categories

IBM Db2 Database

Ranking in Relational Databases Tools

6th

Average Rating

8.2

Reviews Sentiment

6.7

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of September 2025, in the Relational Databases Tools category, the mindshare of Citus Data is 2.7%, up from 1.5% compared to the previous year. The mindshare of IBM Db2 Database is 7.5%, up from 6.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Relational Databases Tools Market Share Distribution
Product	Market Share (%)
IBM Db2 Database	7.5%
Citus Data	2.7%
Other	89.8%

Relational Databases Tools

Featured Reviews

Arucy Lionel

Co-Founder at Afriziki

Efficiently handles high-traffic scenarios and compatible with PostgreSQL extensions, offering flexibility in database management

There are many areas of improvement , especially in terms of DDL query routing. Even though it's masterless, DDL queries need to be sent to the coordinator node. Also, setting up a multi-node environment could be more straightforward. Currently, setting up a multi-node environment is challenging. It's a bit tricky. Installation on each PostgreSQL node can lead to communication issues between nodes. An automatic rebalancing feature would be a significant improvement. Currently, I have to manually command the rebalance. It would be more convenient if it was rebalanced automatically. The dashboard and monitoring capabilities are good, but it would be helpful to have an integrated availability dashboard.

Read full review

Michael Raz

Consultant at Discount Bank

Efficient access path optimization and performance excellence with helpful support

IBM Db2 for zOS serves as the central database for all the core business applications in the two banks I work with. All applications use Db2 as a data server. We fully implement and utilize most of Db2's functionalities and capabilities for core banking business applications IBM Db2 has…

Read full review

Quotes from Members

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

Pros

"You can use Citus Data to write complex scripts. I like its version upgrades and disaster recovery as well."

"Its distributed processing capabilities are a standout feature. It requires minimal changes to get up and running if you already have a system on PostgreSQL. Citus can run in its natural state."

"It's very straightforward to implement the solution. It took us two days to set up everything."

"I have found the most valuable feature to be its availability."

"When you submit a ticket the response time is quick."

"IBM Db2 Database is perfect and leading in this area."

"Db2 Database has given us good results since we have started to use it. We predominantly use IBM hardware, and this is one of the reasons why we started to use Db2 Database. Db2 Database has a very good HADR capability. High availability resilience is also good in this solution. It also has pureScale, which allows you to upgrade one node to get very good and high-level resilience. If you are using a database on five nodes, you can take one node down, upgrade that, and let that node up. You can then bring the second node down, upgrade that, and so on."

"IBM Db2 Database has good performance."

"The valuable features include access path optimization, excellent performance, a robust locking mechanism, parallelism, and effective buffering in memory."

"The performance of the solution is valuable."

"The most valuable features are with the industrial side."

More IBM Db2 Database pros

Cons

"More features in monitoring and the reporting could make it better."

"Citus Data needs to improve its stability. Do not consider this product if you have the budget. It is still developing and has a lot of issues."

"There are many areas of improvement , especially in terms of DDL query routing. Even though it's masterless, DDL queries need to be sent to the coordinator node. Also, setting up a multi-node environment could be more straightforward."

"IBM Db2 Database is not ACID compliant, which would improve it. Db2 lacks Isolation, so when two people are trying to update the same field at the same time it can become stuck. Other newer databases do not have this issue, such as Microsoft SQL, Oracle DB, PostgreSQL, and SAP HANA."

"It would be helpful to have more querying tools and more development tools for us to work easily with Microsoft."

"The user interface is not user-friendly."

"It would be helpful to have a hybrid data storage facility that includes NoSQL technologies."

"End-to-end encryption specifically is something the solution needs to have in the next release."

"Db2 interface could be improved a bit. Comparing it to Oracle, Db2's interfaces could be improved."

"Do not use support. Freely available documentation is a bit weak."

"The GUI interface is not particularly friendly for those who do not have experience with the product."

More IBM Db2 Database cons

Pricing and Cost Advice

"Citus Data is an open-source product."

"I rate the product pricing a nine out of ten."

"I think that everyone knows that with IBM the standard price is higher than the others."

"I would rate the pricing a five out of ten. It's not super expensive, but also not cheap."

"Compared to other databases, Db2 is relatively cheaper."

"The solution's pricing is fine."

"The total cost of the solution depends upon the PVU licensing"

"We don't see what the specific price of the DB2 license is because we pay for the backup license as a package."

"Compared to Oracle, it is so much cheaper."

More IBM Db2 Database pricing and cost advice

See which vendors are best for you

Use our free recommendation engine to learn which Relational Databases Tools solutions are best for your needs.

See recommendations

867,676 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

Computer Software Company

22%

Comms Service Provider

Manufacturing Company

Consumer Goods Company

Financial Services Firm

20%

Manufacturing Company

10%

Computer Software Company

Government

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

By reviewers
Company Size	Count
Small Business	20
Midsize Enterprise	13
Large Enterprise	48

Questions from the Community

What do you like most about Citus Data?

You can use Citus Data to write complex scripts. I like its version upgrades and disaster recovery as well.

See all answers

What needs improvement with Citus Data?

Citus Data needs to improve its stability. Do not consider this product if you have the budget. It is still developing and has a lot of issues.

See all answers

What advice do you have for others considering Citus Data?

I rate the product a seven out of ten.

See all answers

What do you like most about IBM Db2 Database?

Db2 database scalability and performance capabilities match our database needs. It covers pretty much everything a database administrator or engineer might need.

See all answers

What is your experience regarding pricing and costs for IBM Db2 Database?

IBM Db2 is an expensive solution. While I am not heavily involved with pricing, additional companies provide capabilities or products like those from BMC, which many installations might also purchase.

See all answers

What needs improvement with IBM Db2 Database?

The IBM Db2 Database is a good solution, but now there is a high maintenance charge. The IBM Db2 Database needs improved support, and there are many difficulties in using it. We tend to use the clo...

See all answers

Comparisons

CockroachDB vs Citus Data

Compared 26% of the time

YugabyteDB vs Citus Data

Compared 20% of the time

Neon vs Citus Data

Compared 19% of the time

Amazon Aurora vs Citus Data

Compared 7% of the time

SQL Server vs Citus Data

Compared 7% of the time

More Citus Data Competitors

SQL Server vs IBM Db2 Database

Compared 36% of the time

Oracle Database vs IBM Db2 Database

Compared 19% of the time

Teradata vs IBM Db2 Database

Compared 13% of the time

SAP HANA vs IBM Db2 Database

Compared 13% of the time

MySQL vs IBM Db2 Database

Compared 6% of the time

More IBM Db2 Database Competitors

Product Reports

Buyer's Guide

Relational Databases Tools

August 2025

Download Citus Data product report

Buyer's Guide

IBM Db2 Database

September 2025

Download IBM Db2 Database product report

Also Known As

No data available

DB2

Overview

Citus is a distributed database that extends PostgreSQL, allowing you to continue using all the powerful Postgres features while still scaling.

Whether you're running into a ceiling on a single node, or need more performance for real-time analytical queries Citus can help.

Citus Data

DB2 Enterprise for Linux, UNIX, and Windows is the ideal data server for the most demanding workloads. New XML support is designed to help firms minimize the time and effort it takes to persist and use their XML data reducing development costs and improving business agility.

IBM

Sample Customers

Cloud Flare, Agari, Mix Rank, Heap

Knorr-Bremse, Mizuho Bank Ltd., Australian Government Department of Defence, SCHWENK Zement, Friedhelm Loh Group, YAZAKI Europe Limited, Ekornes ASA, Baldor Electric, VSN Systemen BV, Lion Brewery (Ceylon) PLC, PLANSEE Group, TE Connectivity, Hansgrohe SE, Openmatics, University of Toronto

Buyer's Guide

Citus Data vs. IBM Db2 Database

September 2025

Free Report: Citus Data vs. IBM Db2 Database

Find out what your peers are saying about Citus Data vs. IBM Db2 Database and other solutions. Updated: September 2025.

DOWNLOAD NOW

867,676 professionals have used our research since 2012.

See our Citus Data vs. IBM Db2 Database report.

See our list of best Relational Databases Tools vendors.

We monitor all Relational Databases Tools reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.