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Head-to-head · NoSQL Databases

Couchbase Server vs Amazon DocumentDB

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Couchbase Server #2 in NoSQL Databases 9.2/10 Free plan Free plan✓ 0 of 2 features Visit Couchbase
Amazon DocumentDB #5 in NoSQL Databases 9.1/10 30-day trial Free trial✓ 0 of 2 features Visit AWS

Couchbase Server leads on 1 check, Amazon DocumentDB on 0, and 0 are 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 scoreCouchbase Server · 9.2/10
  • Free planonly Couchbase Server
  • Free trialonly Amazon DocumentDB

Couchbase Server scores higher on our rubric for nosql databases: 9.2 against 9.1 out of 10; our editors rank them #2 and #5.

Couchbase Server offers free plan; Amazon DocumentDB doesn't.

Couchbase Server is the better fit for teams needing a versatile document database. Amazon DocumentDB is the better fit for AWS teams running MongoDB-compatible document workloads.

  • Couchbase Server fits best

    Teams needing a versatile document database

  • Amazon DocumentDB fits best

    AWS teams running MongoDB-compatible document workloads

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Side by side

Feature Couchbase Server 9.2/10 Visit ↗ Amazon DocumentDB 9.1/10 Visit ↗
At a glance
Editor score 9.2 9.1
Ranking #2 in NoSQL Databases #5 in NoSQL Databases
Best for Teams needing a versatile document database AWS teams running MongoDB-compatible document workloads
Pricing model Free plan + paid Paid
Starting price — —
Free plan ✓ (best) —
Free trial — 30 days
Deployment Cloud, Self-hosted Cloud
Support Community, Docs Docs
Compliance SOC 2, HIPAA, PCI DSS SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Couchbase Server 0/2 · Amazon DocumentDB 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
  • 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
  • Supports MongoDB APIs and drivers, plus multi-document ACID transactions
  • Offers serverless scaling or provisioned instances with two I/O configurations
  • Includes global clusters, vector search, backups, and point-in-time recovery
Cons
  • 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
  • Paid service with no permanent free plan
  • Usage-based costs vary by Region, compute, storage, I/O, and backups
  • Focused on AWS cloud deployment rather than a multi-cloud setup
Our verdict

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 →

Amazon DocumentDB is a managed cloud document database for teams running applications built around MongoDB-compatible APIs and drivers. Its JSON-style document storage and support for multi-document ACID transactions suit workloads that…

Read the review →
  1. Couchbase ServerNoSQL Databases 9.2Free plan
  2. Amazon DocumentDBNoSQL Databases 9.130-day trial

Strengths and trade-offs

  • 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

  • Amazon DocumentDB — where it wins

    • Supports MongoDB APIs and drivers, plus multi-document ACID transactions
    • Offers serverless scaling or provisioned instances with two I/O configurations
    • Includes global clusters, vector search, backups, and point-in-time recovery

    Where it doesn't

    • Paid service with no permanent free plan
    • Usage-based costs vary by Region, compute, storage, I/O, and backups
    • Focused on AWS cloud deployment rather than a multi-cloud setup
  • Couchbase Server9.2/10 · Free plan

    A flexible document database with SQL++ queries, transactions, search, and multiple deployment options.

    Visit CouchbaseFull verdict →
  • Amazon DocumentDB9.1/10 · 30-day trial

    A managed AWS document database for teams with MongoDB-compatible workloads.

    Visit AWSFull verdict →

More comparisons

All NoSQL databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update