PostgreSQL vs Redis
Updated June 2026 · A structured head-to-head comparison.
The world's most advanced open-source database.
The verdict
Both PostgreSQL and Redis are credible databases tools, and the right pick comes down to your priorities.
Choose PostgreSQL if you want broader platform coverage. The world's most advanced open-source database.
Redis — The in-memory data store.
PostgreSQL vs Redis: side by side
| Dimension | PostgreSQL | Redis |
|---|---|---|
| Starting price | Free | Free |
| Free plan | Yes | Yes |
| Pricing model | Open source | Freemium |
| Best for | Developers, Everyone | Developers |
| Platforms | Self Hosted, Linux, Windows, MacWinner | Self Hosted, Api |
| Rating | 4.8/5 | 4.7/5 |
PostgreSQL key facts
- Vendor
- PostgreSQL Global Dev Group
- Pricing
- Open source — Free
- Free tier
- Yes
- Platforms
- Self Hosted, Linux, Windows, Mac
- Best for
- Developers, Everyone
- Editor rating
- 4.8 / 5
- Founded
- 1996
- Headquarters
- Open source
Redis key facts
- Vendor
- Redis
- Pricing
- Freemium — Free
- Free tier
- Yes
- Platforms
- Self Hosted, Api
- Best for
- Developers
- Editor rating
- 4.7 / 5
- Founded
- 2009
- Headquarters
- Mountain View, CA, USA
Frequently asked questions
Is PostgreSQL better than Redis?
Neither is universally better — PostgreSQL edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is PostgreSQL or Redis cheaper?
PostgreSQL is the more affordable of the two to get started, at free. PostgreSQL starts at free; Redis starts at free.
Can PostgreSQL replace Redis?
Yes for most teams — both are databases tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.