whichdb
vs

PouchDB vs RxDB

PouchDB: JavaScript database for browsers and Node that speaks the CouchDB replication protocol. RxDB: Reactive local-first NoSQL database for JavaScript with pluggable storage and replication.

key differences

  • Only RxDB has compression, encryption at rest.

choose pouchdb for

  • +Offline-capable web apps with a CouchDB backend
  • +Field data collection that syncs when back online
  • +Electron desktop apps needing replication

best at · Local-first, Mobile/offline, Embedded

choose rxdb for

  • +Offline-first progressive web apps
  • +React Native and Capacitor apps with background sync
  • +Electron apps needing local reactive storage
  • +Multi-tab browser apps sharing one database

best at · Local-first, Mobile/offline, Embedded

PouchDBJavaScript database for browsers and Node that speaks the CouchDB replication protocol.
RxDBReactive local-first NoSQL database for JavaScript with pluggable storage and replication.
overview
Primary model
Document
Document
Also supports
–
–
Type
Embedded library
Embedded library
Status
Active
Active
Developer
Apache Software Foundation (PouchDB community)
Daniel Meyer (pubkey)
First release
2012
2016
Latest version
9.0.0 (Jun 21, 2024)
17.6.0 (Oct 5, 2026)
License
Open source (permissive)Apache License 2.0
Open source (permissive)Apache License 2.0 (core); commercial premium plugins
Free tier
✓
✓
popularity
WhichDB Score
23.2
20.2
Rank
#130
#161
GitHub stars
17.6K
23.4K
Stack Overflow questions
1.5K
47
scale & guarantees
Comfortable data size
Small (≤ 100 GB)
Small (≤ 100 GB)
Horizontal scaling
None
None
Multi-region
None
None
ACID
Limited
Limited
Consistency
Eventual
Eventual
Schema
Schemaless
Strict
Architecture
Embedded
Embedded
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
Mango (CouchDB find), MapReduce views
Mango query syntax
Client languages
JavaScript
JavaScript, TypeScript
Best for
Local-first, Mobile/offline, Embedded
Local-first, Mobile/offline, Embedded
Add more to this comparisonNot sure either fits? Try smart match

PouchDB vs RxDB: FAQ

What is the difference between PouchDB and RxDB?

PouchDB: JavaScript database for browsers and Node that speaks the CouchDB replication protocol. RxDB: Reactive local-first NoSQL database for JavaScript with pluggable storage and replication. Only RxDB has compression, encryption at rest.

When should I choose PouchDB over RxDB?

Choose PouchDB for offline-capable web apps with a CouchDB backend, field data collection that syncs when back online and electron desktop apps needing replication. Choose RxDB for offline-first progressive web apps; react Native and Capacitor apps with background sync; and electron apps needing local reactive storage.

Is PouchDB or RxDB more popular?

PouchDB ranks #130 on the WhichDB Score (23.2/100) and RxDB ranks #161 (20.2/100). Popularity is not fit: check the requirements that matter for your project.

Are PouchDB and RxDB open source?

Yes. PouchDB is open source. License: Apache License 2.0. Yes. RxDB is open source. License: Apache License 2.0 (core); commercial premium plugins.