Amazon DynamoDB vs Couchbase: Which is Better in 2026?
Choosing between Amazon DynamoDB 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.
Bottom line: Amazon DynamoDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick Couchbase if you need its specific feature set.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Amazon DynamoDB
Serverless NoSQL database with single-digit millisecond latency
Best for you if:
- • You want fully managed NoSQL
Couchbase
Distributed NoSQL cloud database
Best for you if:
- • You want flexible document database
| At a Glance | Amazon DynamoDB | Couchbase |
|---|---|---|
Starts at | $0.00065/WCU/hour Provisioned | $2499/one-time + subscription Enterprise Self-Hosted |
Category | Data & Databases Cloud & Infrastructure | Data & Databases Cloud & Infrastructure |
Rating | 2.9/5 G2 4.4 · Trustpilot 1.3 951 reviews | 4.3/5 G2 4.3 150 reviews |
Free plan | No | No |
Choose Amazon DynamoDB or Couchbase?
Choose Amazon DynamoDB if
- You want fully managed NoSQL
- You want single-digit millisecond latency
- Budget matters ($0.00065/WCU/hour vs $2499/one-time + subscription)
Choose Couchbase if
- You want flexible document database
- You want good caching
In-Depth Analysis
Amazon DynamoDB
Serverless NoSQL database with single-digit millisecond latency
DynamoDB's pricing is generally fair, especially with the generous Free Tier and the upcoming 50% price reduction in Jan 2025.
Strengths
- Pro: Fully managed NoSQL
- Pro: Single-digit millisecond latency
- Pro: Scales automatically
- Pro: Serverless option
- Pro: Global tables
Weaknesses
- Con: Pricing complex
- Con: Query limitations
- Con: No joins or complex queries
- Con: Vendor lock-in
- Con: Learning curve for data modeling
Key features
Couchbase
Distributed NoSQL cloud database
Couchbase offers a fair pricing model, especially with its free Community tier for basic use.
Strengths
- Pro: Flexible document database
- Pro: Good caching
- Pro: SQL-like queries
- Pro: Mobile sync
- Pro: Good performance
Weaknesses
- Con: Complex licensing
- Con: Learning curve
- Con: Resource intensive
- Con: Smaller community
- Con: Enterprise features expensive
Key features
Pricing: Amazon DynamoDB vs Couchbase
| Plan | Amazon DynamoDB | Couchbase |
|---|---|---|
| Tier 1 | Free Tier | Community |
| Tier 2 | $1.25 /1M writes On-Demand | usage-based Capella |
| Tier 3 | $0.00065 /WCU/hour Provisioned | $2499 one-time + subscription Enterprise Self-Hosted |
Pricing verified from each vendor's public pricing page. Compare in detail on Amazon DynamoDB pricing and Couchbase pricing.
Key Takeaways
Amazon DynamoDB
- Larger review base (951 reviews)
- Our pick for this comparison
Couchbase
- Higher user rating: 4.3/5 vs 2.9/5
The Bottom Line
Amazon DynamoDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick.
Frequently Asked Questions
Is Amazon DynamoDB or Couchbase better in 2026?
Amazon DynamoDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick Amazon DynamoDB for data & databases workflows (main strength: fully managed NoSQL). Pick Couchbase for data & databases workflows (main strength: flexible document database).
What are Amazon DynamoDB and Couchbase used for?
Amazon DynamoDB: Serverless NoSQL database with single-digit millisecond latency. Couchbase: Distributed NoSQL cloud database.
What does Amazon DynamoDB cost vs Couchbase?
Amazon DynamoDB's paid plans start at $0.00065/WCU/hour (Provisioned). Couchbase's paid plans start at $2499/one-time + subscription (Enterprise Self-Hosted).
What's the main difference between Amazon DynamoDB and Couchbase?
Amazon DynamoDB's main strength: fully managed NoSQL. Couchbase's main strength: flexible document database.