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Firebird SQL vs PostgreSQL comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 2, 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

Firebird SQL
Ranking in Open Source Databases
3rd
Average Rating
7.8
Reviews Sentiment
7.4
Number of Reviews
15
Ranking in other categories
Embedded Database (3rd)
PostgreSQL
Ranking in Open Source Databases
2nd
Average Rating
8.4
Reviews Sentiment
7.7
Number of Reviews
125
Ranking in other categories
Vector Databases (11th)
 

Mindshare comparison

As of January 2026, in the Open Source Databases category, the mindshare of Firebird SQL is 13.3%, down from 19.1% compared to the previous year. The mindshare of PostgreSQL is 14.7%, down from 18.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Open Source Databases Market Share Distribution
ProductMarket Share (%)
PostgreSQL14.7%
Firebird SQL13.3%
Other72.0%
Open Source Databases
 

Featured Reviews

reviewer1991775 - PeerSpot reviewer
Chapter Lead at a financial services firm with 201-500 employees
An open-source database to hold customer data, but its performance should be improved
Firebird SQL significantly improved our data management in many parts of our self-developed ERP system. I rate the solution's performance and speed a six out of ten. Two or three database administrators are needed to maintain the solution. A few years ago, migrating data to or from Firebird SQL was a little bit difficult because the identifier names for tables or stored procedures were limited to 20 to 30 characters. Transferring the structure to Firebird SQL was difficult, but they fixed it in version 3, which was much easier. We are developing software with Delphi, and Delphi is also by Embarcadero. Using InterBase or Firebird SQL databases is very common, and you have some good tools for developing with Firebird SQL. Overall, I rate the solution a seven out of ten.
AC
Senior Assosiate Consultant at Applied Materials
Real-time data capture optimizes database performance but Views create problems
One of the most valuable features is real-time data capture; it optimizes database performance. I think using real-time data capture reduces job running time and the amount of data sent at once with batch loads. Replicating the same data daily isn't optimal, so real-time reception improves application performance and reduces latency.

Quotes from Members

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

Pros

"The solution is very useful for stock management."
"I find the ease of deployment to be the most valuable aspect of this solution."
"The documentation is very well written."
"Firebird SQL is an open-source solution and can run on most operating systems, such as Linux, Unix, and Windows."
"We are happy with the event capabilities of Firebird SQL database. We can raise events from it and display them in our application."
"I like that we don't have to pay external fees to migrate this data. So, we are looking to relocate from Postgres or EDB."
"It helps us in detecting all kinds of problems in the code, such as bad quality, unclear code, or any violation in the code or best practices."
"The most valuable feature of the solution is that it is reliable, offers good performance, and is easy to use."
"It is a pretty comprehensive database system. Its performance is good, and it does what it is supposed to do. It also integrates very well."
"It's a transactional database, so we use Postgres for most of our reporting. That's where it's helping."
"PostgreSQL is very powerful, easy to manage, and has many features."
"The solution is open-source and free to use."
"The product is very similar to the SQL Server."
"The initial setup is quick and easy."
"It's a standard reliable database management system."
"One of the most valuable features is real-time data capture; it optimizes database performance. I think using real-time data capture reduces job running time and the amount of data sent at once with batch loads."
 

Cons

"On large databases, we have some difficulties."
"The main feature I expect is to be able to work with different databases at the same time because that's a wishlist item for me."
"It would be good to have more automation and integration with the tools from other vendors."
"Technical support and performance could be better. We have some problems with this solution, but we don't know if the problem is with the database or the configuration. For example, sometimes, the users can't access the database."
"The solution could improve by providing partitioning and encryption. It is not at the higher level of database solution but it could be with some upgrades."
"In the next release, it should support JSON, XML, and replication with third-party tools."
"Database sharing is a capability that Firebird SQL lacks."
"The security of the users could improve in Firebird SQL."
"I don't think PostgreSQL supports bulk databases, so it needs to have more capabilities in terms of managing the bulk data."
"The user interface could be a bit better."
"It still needs to be more mature and have some backup feature. We are normally dealing with Oracle's data, and we have very strong online tools to back up the data and do other things. PostgreSQL still needs to do more in this area as well as in the high availability area. There are many external tools that you can use for PostgreSQL's high availability, but there is no embedded tool within PostgreSQL for high availability. It could have a feature similar to Oracle for working on a distributed system. It can have some scripts to improve the monitoring and some tools to do performance analysis. We have a workaround for most of such requirements except for the support for a distributed system, which is very difficult to have. This area should be included in the core of the database itself."
"They need to have a better graphical interface. There is a tool called pgAdmin 4 that they use, which is free. It is written in Java, and it is slow. They need to have a better product that is similar to Toad for Oracle, but, of course, it is hard to get something that's really great and free. Other than that, it is great."
"PostgreSQL doesn't have a feature for temporal SQL, which is useful for gathering versions of data. This feature should be included in PostgreSQL. This feature is available in MariaDB, SQL Server, Oracle Database, and DB2."
"PostgreSQL is a stable system, but from a security point of view, it still needs improvement."
"It would be great if the solution offered even more integration capabilities."
"PostgreSQL could improve by adding data warehousing tools."
 

Pricing and Cost Advice

"Firebird SQL is an open-source solution, which means it is a free product."
"The most valuable feature of the solution is that it is freely available."
"It is okay."
"The tool is open source."
"There is no licensing cost for this solution, as it is open-source."
"It's open-source and free."
"There is a yearly maintenance fee for the use of the solution."
"I was using the free version of Firebird SQL."
"The tool is cheaply priced compared to other RDBMS providers in the market."
"There is an annual license."
"The need for our customers to pay for licences is contingent on their projects and budgets."
"The licensing model is good."
"It is also open-source so it is free."
"It could be much cheaper. If you would like to build an application on Amazon today, PostgreSQL is the standard database with Redshift. If you want other databases, you can add them, but PostgreSQL is the basis of everything. It's a question of money, that's it."
"The solution requires a license."
"It is free. There is no license on it."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Comms Service Provider
11%
Manufacturing Company
9%
Financial Services Firm
9%
Computer Software Company
13%
Financial Services Firm
11%
Comms Service Provider
10%
Manufacturing Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise3
By reviewers
Company SizeCount
Small Business57
Midsize Enterprise26
Large Enterprise46
 

Questions from the Community

How does Firebird SQL compare with PostgreSQL?
PostgreSQL was designed in a way that provides you with not only a high degree of flexibility but also offers you a cheap and easy-to-use solution. It gives you the ability to redesign and audit yo...
What do you like most about Firebird SQL?
Firebird SQL is an open-source solution.
What do you like most about PostgreSQL?
It's a transactional database, so we use Postgres for most of our reporting. That's where it's helping.
What is your experience regarding pricing and costs for PostgreSQL?
The tool is free of cost. For now, it's not about making money. But once we perfect it, we can offer it to customers willing to pay for support and other services. Most of my deployments are free.
What needs improvement with PostgreSQL?
Postgres should focus on building a stronger knowledge base. They also need to expand their integration capabilities, so more tools and resources are available to manage it. But it is more secure t...
 

Comparisons

 

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Find out what your peers are saying about Firebird SQL vs. PostgreSQL and other solutions. Updated: December 2025.
881,082 professionals have used our research since 2012.