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Head-to-head · In-Memory Databases

Couchbase Server vs Apache Ignite

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Couchbase Server #1 in In-Memory Databases 9.4/10 Free plan Free plan✓ 1 of 4 features Visit Couchbase
Apache Ignite #2 in In-Memory Databases 9.2/10 Open source ✓ 0 of 4 features Visit Apache Ignite

Couchbase Server leads on 0 checks, Apache Ignite on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCouchbase Server · 9.4/10
  • Free planonly Couchbase Server
  • Most featuresCouchbase Server · 1 of 4

Couchbase Server scores higher on our rubric for in-memory databases: 9.4 against 9.2 out of 10; our editors rank them #1 and #2.

Couchbase Server is the better fit for teams wanting a broad, flexible in-memory platform. Apache Ignite is the better fit for open-source distributed SQL and in-memory systems.

  • Couchbase Server fits best

    Teams wanting a broad, flexible in-memory platform

  • Apache Ignite fits best

    Open-source distributed SQL and in-memory systems

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Side by side

Feature Couchbase Server 9.4/10 Visit ↗ Apache Ignite 9.2/10 Visit ↗
At a glance
Editor score 9.4 9.2
Ranking #1 in In-Memory Databases #2 in In-Memory Databases
Best for Teams wanting a broad, flexible in-memory platform Open-source distributed SQL and in-memory systems
Pricing model Free plan + paid Free
Starting price — Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Self-hosted Self-hosted
Support Community, Docs Community, Docs, Email
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Couchbase Server 1/4 · Apache Ignite 0/4
Data persistence Not checked yet Not checked yet
High availability Not checked yet Not checked yet
SQL support Not checked yet Not checked yet
Vector search ✓ (best) Not checked yet
Specs
Deployment Not checked yet Not checked yet
Included memory Not checked yet Not checked yet
Supported data models Not checked yet Not checked yet
Our review
Pros
  • Free Community Edition for development and production use
  • Combines key-value, JSON, SQL++, transactions, search, and vector indexing
  • Supports containers, Kubernetes, cloud infrastructure, and on-premises deployments
  • Memory-first SQL with optional in-memory and persistent storage
  • ACID transactions, replication, clustering, and distributed compute
  • JDBC, ODBC, REST, Spring Data, and native client connectivity
Cons
  • Community Edition clusters are limited to five nodes for Server 7.0 and later
  • Community Edition includes community-supported distribution
  • Enterprise pricing is based on production node count
  • Ignite 2 and Ignite 3 require a generation choice
  • TTL support differs between Ignite 2 and Ignite 3
  • Distributed deployment requires architecture and operational planning
Our verdict

Couchbase Server is a distributed, open-source document database for enterprise applications that need more than basic key-value access. It stores JSON and binary documents, supports SQL++ querying and ACID transactions, and includes…

Read the review →

Apache Ignite is an open-source, memory-first distributed SQL database for mission-critical, high-velocity applications. It suits teams building distributed services that need SQL and key-value access, ACID transactions, persistent or…

Read the review →
  1. Couchbase ServerIn-Memory Databases 9.4Free plan
  2. Apache IgniteIn-Memory Databases 9.2Open source

Strengths and trade-offs

  • Couchbase Server — where it wins

    • Free Community Edition for development and production use
    • Combines key-value, JSON, SQL++, transactions, search, and vector indexing
    • Supports containers, Kubernetes, cloud infrastructure, and on-premises deployments

    Where it doesn't

    • Community Edition clusters are limited to five nodes for Server 7.0 and later
    • Community Edition includes community-supported distribution
    • Enterprise pricing is based on production node count

  • Apache Ignite — where it wins

    • Memory-first SQL with optional in-memory and persistent storage
    • ACID transactions, replication, clustering, and distributed compute
    • JDBC, ODBC, REST, Spring Data, and native client connectivity

    Where it doesn't

    • Ignite 2 and Ignite 3 require a generation choice
    • TTL support differs between Ignite 2 and Ignite 3
    • Distributed deployment requires architecture and operational planning

More comparisons

All In-Memory databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update