PostgreSQL vs Couchbase: Which Should You Choose in 2026?
Choosing between PostgreSQL and Couchbase comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
PostgreSQL
Advanced open source SQL database
Best for you if:
- • You want the higher-rated option (9.0/10 vs 8.0/10)
- • You need something completely free
- • You need database builders features specifically
- • PostgreSQL is an advanced open-source relational database
- • It provides extensibility, standards compliance, and enterprise features
Couchbase
Distributed NoSQL cloud database
Best for you if:
- • You need managed databases features specifically
- • Couchbase is a distributed NoSQL database combining document, key-value, and SQL capabilities
- • It offers sub-millisecond latency, built-in caching, and mobile sync for demanding applications
| At a Glance |  PostgreSQL |  Couchbase |
|---|---|---|
Price | Free | Paid |
Best For | Database Builders | Managed Databases |
Rating | 90/100 | 80/100 |
| Feature | PostgreSQL | Couchbase |
|---|---|---|
| Pricing Model | Free | Paid |
| Editorial Score | 90 | 80 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Database BuildersManaged Databases | Managed DatabasesMobile Backend |
How PostgreSQL and Couchbase Compare
PostgreSQL
Advanced open source SQL database
Free · 90/100 score
Couchbase
Distributed NoSQL cloud database
Paid · 80/100 score
PostgreSQL is a database builders tool. Couchbase is in managed databases.
Who Should Use What?
On a budget?
PostgreSQL is free. Couchbase is paid.
Go with: PostgreSQL
Want the highest-rated option?
PostgreSQL: 90/100. Couchbase: 80/100.
Go with: PostgreSQL
Value user reviews?
Neither has user reviews yet.
Go with: PostgreSQL
3 Questions to Help You Decide
What's your budget?
PostgreSQL is free. Couchbase is paid. Go with PostgreSQL if free matters most.
What's your use case?
PostgreSQL is a database builders tool. Couchbase is in managed databases. Pick the category that matches your needs.
How important are ratings?
PostgreSQL scores higher: 90/100 vs 80/100.
Key Takeaways
PostgreSQL
- Higher score: 90/100 vs 80
- Completely free
- Our pick for this comparison
Couchbase
- Better fit for managed databases
The Bottom Line
PostgreSQL (90/100) is our pick.
Frequently Asked Questions
Is PostgreSQL or Couchbase better?
PostgreSQL scores 90/100 in our evaluation. PostgreSQL is free and Couchbase is paid.
What are PostgreSQL and Couchbase used for?
PostgreSQL: Advanced open source SQL database. Couchbase: Distributed NoSQL cloud database.
What does PostgreSQL cost vs Couchbase?
PostgreSQL is completely free. Couchbase is a paid tool. Visit their websites for detailed pricing.