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Head-to-head · NoSQL Databases

Amazon DynamoDB vs Couchbase Server

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Amazon DynamoDB #1 in NoSQL Databases 9.3/10 Free plan Free plan✓ 0 of 2 features Try Amazon DynamoDB
Couchbase Server #2 in NoSQL Databases 9.2/10 Free plan Free plan✓ 0 of 2 features Visit Couchbase

Amazon DynamoDB leads on 0 checks, Couchbase Server on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAmazon DynamoDB · 9.3/10
  • Free planboth

Amazon DynamoDB scores higher on our rubric for nosql databases: 9.3 against 9.2 out of 10; our editors rank them #1 and #2.

Amazon DynamoDB is the better fit for AWS teams building scalable key-value applications. Couchbase Server is the better fit for teams needing a versatile document database.

  • Amazon DynamoDB fits best

    AWS teams building scalable key-value applications

  • Couchbase Server fits best

    Teams needing a versatile document database

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Side by side

Feature Amazon DynamoDB 9.3/10 Visit ↗ Couchbase Server 9.2/10 Visit ↗
At a glance
Editor score 9.3 9.2
Ranking #1 in NoSQL Databases #2 in NoSQL Databases
Best for AWS teams building scalable key-value applications Teams needing a versatile document database
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud, Self-hosted
Support Docs Community, Docs
Compliance SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS SOC 2, HIPAA, PCI DSS
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Amazon DynamoDB 0/2 · Couchbase Server 0/2
Horizontal scaling Not checked yet Not checked yet
Replication Not checked yet Not checked yet
Specs
Data model Not checked yet Not checked yet
Deployment options Not checked yet Not checked yet
Max storage Not checked yet Not checked yet
Query interface Not checked yet Not checked yet
Our review
Pros
  • Choose on-demand or provisioned read and write capacity.
  • ACID transactions, TTL expiration and multi-Region global tables.
  • Streams, PartiQL and vector search indexes support varied workloads.
  • Stores JSON and binary documents with key-value access and SQL++ querying
  • Combines distributed ACID transactions with search, analytics, and eventing
  • Offers cloud and self-hosted deployment, plus a free Community Edition
Cons
  • Cloud deployment ties the database to AWS.
  • Usage-based paid pricing varies by Region, capacity mode and optional features.
  • Support channels listed are documentation.
  • Community Edition is limited to departmental-scale clusters of up to five nodes
  • Vector indexing is unavailable in Community Edition
  • Enterprise Edition subscription pricing is not publicly listed
Our verdict

Amazon DynamoDB is a fully managed, serverless NoSQL database for applications that need low-latency access at scale. It stores items in tables organized by primary keys, with on-demand and provisioned capacity options. Its feature set…

Read the review →

Couchbase Server is a distributed NoSQL database for business applications that need document storage alongside transactional and data-access capabilities. It suits teams looking for JSON and binary document storage, key-value access, and…

Read the review →
  1. Amazon DynamoDBNoSQL Databases 9.3Free plan
  2. Couchbase ServerNoSQL Databases 9.2Free plan

Strengths and trade-offs

  • Amazon DynamoDB — where it wins

    • Choose on-demand or provisioned read and write capacity.
    • ACID transactions, TTL expiration and multi-Region global tables.
    • Streams, PartiQL and vector search indexes support varied workloads.

    Where it doesn't

    • Cloud deployment ties the database to AWS.
    • Usage-based paid pricing varies by Region, capacity mode and optional features.
    • Support channels listed are documentation.

  • Couchbase Server — where it wins

    • Stores JSON and binary documents with key-value access and SQL++ querying
    • Combines distributed ACID transactions with search, analytics, and eventing
    • Offers cloud and self-hosted deployment, plus a free Community Edition

    Where it doesn't

    • Community Edition is limited to departmental-scale clusters of up to five nodes
    • Vector indexing is unavailable in Community Edition
    • Enterprise Edition subscription pricing is not publicly listed

More comparisons

All NoSQL databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update