IBM Db2
IBM's enterprise relational database for transactional and analytic workloads, on-premises or in the cloud.
Updated · AppBreakup editorial · Windows, Linux, Self-hosted, Web
Is IBM Db2 free?
Free plan, plus paid plans
- Starting price (SaaS):
- USD 630/month
Checked on IBM Db2's site Nov 8, 2026
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All 4
PostgreSQLOpen source
MySQLOpen source
MariaDBOpen source
- Verified facts
- 5 of 5
- Alternatives ranked
- 4
- Approved reviews
- 0
- Visits sent from here
- 0
About IBM Db2
IBM Db2 is a relational database that has run banking, insurance and retail systems for decades, from mainframes to Linux and Windows servers. Current versions combine transactional, analytical and vector data in one engine, and IBM is adding AI-assisted tuning and an operations console called Genius Hub. Db2 can be installed on your own servers, run as a managed service on IBM Cloud, or used through Amazon RDS for Db2. Features such as native encryption, high-availability disaster recovery (HADR), federation and point-in-time recovery are available depending on edition. There is a free Community edition limited to four cores and 16 GB of memory, a free SaaS tier for trying it, and paid Standard and Advanced editions with enterprise support. Developers get a Visual Studio Code extension. Db2 suits organisations that already depend on IBM platforms or need its mainframe connectivity; for new projects most teams pick PostgreSQL or MySQL, which have far larger communities.
Best for: Enterprises already on IBM systems that need a supported, mission-critical relational database.
IBM Db2 pricing (checked Nov 8, 2026)
Each line is quoted from IBM Db2's own site, with the page it came from.
| Plan or term | What it says | Checked | Source |
|---|---|---|---|
| Starting price (SaaS) | USD 630/month | Nov 8, 2026 | ibm.com |
Pros and cons
What works
- Long track record in mission-critical banking and enterprise systems
- Runs on-premises, on IBM Cloud or as Amazon RDS for Db2
- Free Community edition for development and small apps
- Built-in encryption, HADR and point-in-time recovery
Why people leave
- Paid editions and managed plans are expensive next to open-source databases
- Community edition is capped at 4 CPU cores and 16 GB memory
- Much smaller developer community and tooling ecosystem than PostgreSQL or MySQL
IBM Db2 vs PostgreSQL, MySQL and MariaDB
From each app's listing and the prices verified on its own site. A dash means we haven't verified it yet.
| Attribute | IBM Db2 | PostgreSQL | MySQL | MariaDB |
|---|---|---|---|---|
| Pricing | Free plan + paid | Open source | Open source | Open source |
| Verified price | USD 630/month | — | — | — |
| Free plan | Yes | Free app | Free app | Free app |
| Open source | No | Yes | Yes | Yes |
| Self-hostable | No | Yes | Yes | Yes |
| Platforms | Windows, Linux, Self-hosted, Web | Linux, macOS, Windows, Self-hosted | Linux, Windows, macOS, Self-hosted | Linux, Windows, macOS, Self-hosted |
Top IBM Db2 alternatives
See all 4- 1PostgreSQL83.8
Free, open-source and widely supported, with enterprise features and many managed hosting options.
- 2MySQL64.8
Popular open-source database with cheap managed hosting and a huge developer community.
- 3MariaDB61.8
Open-source MySQL fork with enterprise support available, a common target for leaving commercial databases.
- 4
Oracle Autonomous AI Lakehouse48.9Oracle's managed cloud database for analytics, for enterprises weighing another commercial vendor.
Why people left IBM Db2
In reviewers' own words, from reviews of the apps they moved to. These are their opinions, not ours.
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IBM Db2: common questions
What is IBM Db2?
IBM Db2: IBM's enterprise relational database for transactional and analytic workloads, on-premises or in the cloud. Best for enterprises already on IBM systems that need a supported, mission-critical relational database. Available for Windows, Linux and Web, and you can host it yourself.
Is IBM Db2 free?
IBM Db2 has a free plan and paid plans.
How much does IBM Db2 cost?
IBM Db2 is free with paid plans. Starting price (SaaS): USD 630/month. Checked on IBM Db2's own site, November 2026.
Is IBM Db2 open source?
No, IBM Db2 is not open source. Open-source alternatives include PostgreSQL, MySQL and MariaDB.
What platforms does IBM Db2 run on?
IBM Db2 is available for Windows, Linux, Self-hosted and Web.
What are the best alternatives to IBM Db2?
The highest-ranked IBM Db2 alternatives right now are PostgreSQL, MySQL and MariaDB. See the full ranked list for pricing, platforms and verified facts.
IBM Db2 vs PostgreSQL: what's the difference?
IBM Db2 is free with paid plans; PostgreSQL is free and open source. PostgreSQL is open source and IBM Db2 is not. Only IBM Db2 runs on Web. Only PostgreSQL runs on macOS.