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IBM Informix vs LocalDB comparison

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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

IBM Informix
Ranking in Relational Databases Tools
28th
Average Rating
8.2
Reviews Sentiment
7.5
Number of Reviews
17
Ranking in other categories
Embedded Database (9th)
LocalDB
Ranking in Relational Databases Tools
34th
Average Rating
9.2
Reviews Sentiment
7.2
Number of Reviews
6
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Relational Databases Tools category, the mindshare of IBM Informix is 1.9%, up from 1.8% compared to the previous year. The mindshare of LocalDB is 1.4%, down from 1.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Relational Databases Tools Mindshare Distribution
ProductMindshare (%)
IBM Informix1.9%
LocalDB1.4%
Other96.7%
Relational Databases Tools
 

Featured Reviews

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.
Srini-Dhanaraj - PeerSpot reviewer
Founder & CEO at imfine.club
The database always has structured data, like rows, columns, and bases
LocalDB is an excellent solution for learners, beginners, and projects of negligible size; it is very good. Any startup can use a local database to start. Once they grow beyond its limits, they can migrate to a MS SQL server that's also available on-premises. I rate it ten out of ten.

Quotes from Members

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

Pros

"The initial setup is very simple."
"IBM Informix benefits users with high availability and good integration capabilities."
"The solution's stability, performance, enhanced functionality, and replication are all great features."
"Every version is faster than the previous."
"So far, we do not have a lot of issues. It's pretty problem-free."
"The initial setup is pretty easy."
"It supports in-house-built applications in .NET and VB6"
"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."
"The solution has powerful reporting features that are very valuable."
"The initial setup is very straightforward. The guidelines are very easy to follow. Maintenance is very easy and requires very little manpower."
"The memory footprint is the smallest in its category of products, and I think Microsoft did a very good job squeezing as many features as possible in such a tiny executable."
"The initial setup was simple."
"The most valuable feature of LocalDB is the connection between the application and DB."
"The solution is fast."
"This tool help us build apps quicker and faster."
"LocalDB is an excellent solution for learners, beginners, and projects of negligible size; it is very good."
 

Cons

"This product could be made easier to use for beginners."
"The solution lacks some functionality."
"The pricing is a bit expensive."
"I really would love to have a QT plugin."
"The product needs a lot more marketing involvement from IBM."
"In my opinion, the packages could be improved. The version I use doesn't allow for packages. I can do some general procedures, but no packages like in Oracle. So, develop separate modules in SQL language. This would be most beneficial for me."
"Continue extending the SQL language for compatibility with the competition's language, including Stored Procedure Language."
"Every month or every second month, we find some bugs in it, which is not ideal."
"The initial setup is complex and requires a skilled person."
"The internal connection features of LocalDB could improve."
"The storage limit is about 10GB, so for medium to big databases it is not applicable."
"It is only for a small amount of data. Local DB is made for the purpose of small-volume optics."
"The solution needs to create a management tool. Right now, the solution has tools for creating a local installation, but it's too simplistic. We need something that's a bit more complex so that we can extend the tools with our scripts."
"The ALM features can be improved, but the database by itself is reliable."
 

Pricing and Cost Advice

"For me, it's always too expensive."
"The product has reasonable pricing. We purchase its yearly license."
"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."
"I am not aware of the licensing costs or terms."
"The fees are fair."
"The licensing cost is too high for LocalDB."
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Top Industries

By visitors reading reviews
Comms Service Provider
12%
Construction Company
10%
Outsourcing Company
9%
Financial Services Firm
8%
Comms Service Provider
15%
Financial Services Firm
10%
Outsourcing Company
10%
Manufacturing Company
8%
 

Company Size

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

Questions from the Community

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 ...
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Comparisons

 

Also Known As

Informix
No data available
 

Overview

 

Sample Customers

Shaspa, Hildebrand, Kaifa, Ranhill Powertron, Federaci‹ Farmacutica (FedeFarma), Camden Council, The German Aerospace Center (DLR), Myers, Votorantim Group, Doosan Infracore, GreenIvory
AstraZeneca, Kienzle Automotive GmbH, Kodak Alaris, Unilever, Floatel International and Kongsberg Maritime, MyHero
Find out what your peers are saying about IBM Informix vs. LocalDB and other solutions. Updated: November 2026.
920,769 professionals have used our research since 2012.