whichdb
vs

RxDB vs TinyBase

RxDB: Reactive local-first NoSQL database for JavaScript with pluggable storage and replication. TinyBase: Tiny reactive in-memory store for tables and values, with persisters and CRDT sync.

key differences

  • RxDB is primarily a document database; TinyBase is key-value.
  • Only RxDB has json, change data capture, compression, encryption at rest.
  • Only TinyBase has transactions, joins.

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

choose tinybase for

  • +Reactive client state with persistence
  • +Local-first apps syncing via WebSockets or Durable Objects
  • +Offline-capable dashboards and small tools

best at · Local-first, Embedded, Cache

RxDBReactive local-first NoSQL database for JavaScript with pluggable storage and replication.
TinyBaseTiny reactive in-memory store for tables and values, with persisters and CRDT sync.
overview
Primary model
Document
Key-Value
Also supports
–
Relational
Type
Embedded library
Embedded library
Status
Active
Active
Developer
Daniel Meyer (pubkey)
James Pearce (tinyplex)
First release
2016
2022
Latest version
17.6.0 (Oct 5, 2026)
10.0.1 (Sep 24, 2026)
License
Open source (permissive)Apache License 2.0 (core); commercial premium plugins
Open source (permissive)MIT License
Free tier
✓
✓
popularity
WhichDB Score
20.2
18.4
Rank
#161
#179
GitHub stars
23.4K
5.2K
Stack Overflow questions
47
–
scale & guarantees
Comfortable data size
Small (≤ 100 GB)
Small (≤ 100 GB)
Horizontal scaling
None
None
Multi-region
None
Active active
ACID
Limited
Limited
Consistency
Eventual
Eventual
Schema
Strict
Flexible
Architecture
Embedded
In memory, 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 query syntax
TinyQL
Client languages
JavaScript, TypeScript
TypeScript, JavaScript
Best for
Local-first, Mobile/offline, Embedded
Local-first, Embedded, Cache
Add more to this comparisonNot sure either fits? Try smart match

RxDB vs TinyBase: FAQ

What is the difference between RxDB and TinyBase?

RxDB: Reactive local-first NoSQL database for JavaScript with pluggable storage and replication. TinyBase: Tiny reactive in-memory store for tables and values, with persisters and CRDT sync. RxDB is primarily a document database; TinyBase is key-value. Only RxDB has json, change data capture, compression, encryption at rest. Only TinyBase has transactions, joins.

When should I choose RxDB over TinyBase?

Choose RxDB for offline-first progressive web apps; react Native and Capacitor apps with background sync; and electron apps needing local reactive storage. Choose TinyBase for reactive client state with persistence; local-first apps syncing via WebSockets or Durable Objects; and offline-capable dashboards and small tools.

Is RxDB or TinyBase more popular?

RxDB ranks #161 on the WhichDB Score (20.2/100) and TinyBase ranks #179 (18.4/100). Popularity is not fit: check the requirements that matter for your project.

Are RxDB and TinyBase open source?

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