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H2 Database vs Nitrite

H2 Database: Fast pure-Java SQL engine for embedded, in-memory and test databases, with compatibility modes. Nitrite: Embedded NoSQL document store for Java and Android with pluggable MVStore or RocksDB storage.

key differences

  • H2 Database is primarily a relational database; Nitrite is document.
  • Licensing: H2 Database is open source (copyleft) (MPL 2.0 or EPL 1.0 (dual)); Nitrite is open source (permissive) (Apache License 2.0).
  • Transactions: H2 Database offers full ACID; Nitrite offers limited.
  • Only H2 Database has joins, triggers, stored procedures, compression, encryption at rest.
  • Only Nitrite has online schema changes.

choose h2 for

  • +Integration tests for Spring/JPA applications
  • +Embedded storage in Java desktop tools
  • +Prototyping before choosing a production database
  • +In-memory scratch databases in batch jobs

best at · Embedded, OLTP, Coordination

choose nitrite for

  • +Desktop Java apps needing local document storage
  • +Android apps preferring a document API over SQLite
  • +Test fixtures and caches in JVM services

best at · Embedded, Mobile/offline, Coordination

H2 DatabaseFast pure-Java SQL engine for embedded, in-memory and test databases, with compatibility modes.
NitriteEmbedded NoSQL document store for Java and Android with pluggable MVStore or RocksDB storage.
overview
Primary model
Relational
Document
Also supports
Spatial
Key-Value, Spatial
Type
Database engine
Embedded library
Status
Active
Active
Developer
H2 Group (Thomas Mueller, Evgenij Ryazanov and contributors)
Nitrite project (Anindya Chatterjee)
First release
2005
2017
Latest version
2.5.252 (Sep 24, 2026)
5.4.2 (Oct 22, 2026)
License
Open source (copyleft)MPL 2.0 or EPL 1.0 (dual)
Open source (permissive)Apache License 2.0
Free tier
✓
✓
popularity
WhichDB Score
23.5
2.7
Rank
#128
#466
GitHub stars
4.6K
920
Stack Overflow questions
5.1K
–
scale & guarantees
Comfortable data size
Small (≤ 100 GB)
Small (≤ 100 GB)
Horizontal scaling
None
None
Multi-region
None
None
ACID
Full
Limited
Consistency
Strong
Strong
Schema
Strict
Schemaless
Architecture
Embedded, In memory, Client server, Single node
Embedded, In memory
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
—
Serverless
—
—
Embedded
✓
✓
Edge
—
—
Clouds
–
–
capabilities
Transactions
✓
✓
Joins
✓
—
Secondary indexes
✓
✓
Full-text search
✓
✓
Vector search
—
—
Geospatial
✓
✓
JSON
✓
✓
Change data capture
—
—
Triggers
✓
—
Stored procedures
✓
—
Materialized views
—
—
TTL / expiry
—
—
Pub/Sub
—
—
Columnar storage
—
—
In-memory
✓
✓
Durable persistence
✓
✓
Compression
✓
—
Encryption at rest
✓
—
Role-based access
✓
—
Time travel
—
—
Branching
—
—
Online schema changes
—
✓
Streaming ingest
—
—
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
SQL
Nitrite filter API (Java/Kotlin)
Client languages
Java
Java, Kotlin, Dart
Best for
Embedded, OLTP, Coordination
Embedded, Mobile/offline, Coordination
Add more to this comparisonNot sure either fits? Try smart match

H2 Database vs Nitrite: FAQ

What is the difference between H2 Database and Nitrite?

H2 Database: Fast pure-Java SQL engine for embedded, in-memory and test databases, with compatibility modes. Nitrite: Embedded NoSQL document store for Java and Android with pluggable MVStore or RocksDB storage. H2 Database is primarily a relational database; Nitrite is document. Licensing: H2 Database is open source (copyleft) (MPL 2.0 or EPL 1.0 (dual)); Nitrite is open source (permissive) (Apache License 2.0). Transactions: H2 Database offers full ACID; Nitrite offers limited.

When should I choose H2 Database over Nitrite?

Choose H2 Database for integration tests for Spring/JPA applications, embedded storage in Java desktop tools and prototyping before choosing a production database. Choose Nitrite for desktop Java apps needing local document storage; android apps preferring a document API over SQLite; and test fixtures and caches in JVM services.

Is H2 Database or Nitrite more popular?

H2 Database ranks #128 on the WhichDB Score (23.5/100) and Nitrite ranks #466 (2.7/100). Popularity is not fit: check the requirements that matter for your project.

Are H2 Database and Nitrite open source?

Yes. H2 Database is open source. License: MPL 2.0 or EPL 1.0 (dual). Yes. Nitrite is open source. License: Apache License 2.0.