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Citus Data vs IBM Informix comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 4, 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

Citus Data
Ranking in Relational Databases Tools
28th
Average Rating
8.0
Reviews Sentiment
7.3
Number of Reviews
3
Ranking in other categories
No ranking in other categories
IBM Informix
Ranking in Relational Databases Tools
25th
Average Rating
8.2
Reviews Sentiment
7.5
Number of Reviews
17
Ranking in other categories
Embedded Database (9th)
 

Mindshare comparison

As of May 2026, in the Relational Databases Tools category, the mindshare of Citus Data is 2.3%, down from 2.3% compared to the previous year. The mindshare of IBM Informix is 1.8%, up from 1.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Relational Databases Tools Mindshare Distribution
ProductMindshare (%)
IBM Informix1.8%
Citus Data2.3%
Other95.9%
Relational Databases Tools
 

Featured Reviews

Arucy Lionel - PeerSpot reviewer
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.
Nasir Niamat - PeerSpot reviewer
DB Consultant at i2c
Has offered a cost-effective option despite frequent technical issues and limited market demand
We find some bugs in IBM Informix. Maybe we are using it more aggressively than others. Every month or every second month, we find some bugs in it, which is not ideal. It should be rare, not this frequent. The good thing is they cover those bugs in the next release within weeks or days on demand. IBM Informix should become hybrid and should include AI features similar to other DBMS systems such as Snowflake, Redshift, and DataBricks. This would help its value rise with the market.

Quotes from Members

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

Pros

"It's very straightforward to implement the solution. It took us two days to set up everything."
"The solution is competitive with Mongo, MySQL, and maybe even Oracle."
"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."
"Informix can support huge quantities of data with less memory and less capacity."
"Replication is a valuable feature and easy to use."
"This solution has made financial reporting possible by allowing financial people the opportunity to set Informix to "Auto Pilot" so that they can attend other duties."
"My advice is to take it; you will never regret it."
"Replication, all levels of replication, query charting, and the MongoDB embedded are the most valuable features of this solution."
"The initial setup is pretty easy."
"It supports multiple applications and business intelligence tools."
"The solution's stability, performance, enhanced functionality, and replication are all great features."
 

Cons

"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."
"More features in monitoring and the reporting could make it better."
"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."
"More features in monitoring and the reporting could make it better."
"The solution should offer replication. It would be helpful if the solution would allow us to access third-party tools."
"I would like to see backups from secondary servers."
"The solution lacks some functionality."
"The product needs a lot more marketing involvement from IBM."
"I really would love to have a QT plugin."
"The solution really doesn't add new features very often. Other solutions are much more actively pushing out upgrades and improvements."
"I experienced poor input/output (IO) performance."
"It would be helpful to have IBM salespeople know that Informix exists, and sell it. Currently, it is completely ignored by IBM."
 

Pricing and Cost Advice

"Citus Data is an open-source product."
"The product has reasonable pricing. We purchase its yearly license."
"I am not aware of the licensing costs or terms."
"For me, it's always too expensive."
"The free edition can be enough to handle moderate-size implementations, but you may want a pay for edition to benefit from more functionality, such as replication."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Construction Company
10%
Financial Services Firm
9%
Comms Service Provider
9%
Comms Service Provider
9%
Construction Company
8%
Financial Services Firm
8%
University
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise2
Large Enterprise8
 

Questions from the Community

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What is your experience regarding pricing and costs for IBM Informix?
There is a cost reason to move from IBM Informix. It is relatively cheaper than Oracle. The second reason is that moving the whole application to a new database would require significant cost. The ...
What needs improvement with IBM Informix?
We find some bugs in IBM Informix. Maybe we are using it more aggressively than others. Every month or every second month, we find some bugs in it, which is not ideal. It should be rare, not this f...
What is your primary use case for IBM Informix?
We are using IBM Informix for OLTP systems. We are using IBM Informix although it is a technology that is not very popular compared to others. We are using it because our application was initially ...
 

Comparisons

 

Also Known As

No data available
Informix
 

Overview

 

Sample Customers

Cloud Flare, Agari, Mix Rank, Heap
Shaspa, Hildebrand, Kaifa, Ranhill Powertron, Federaci‹ Farmacutica (FedeFarma), Camden Council, The German Aerospace Center (DLR), Myers, Votorantim Group, Doosan Infracore, GreenIvory
Find out what your peers are saying about Citus Data vs. IBM Informix and other solutions. Updated: April 2026.
893,164 professionals have used our research since 2012.