PocketBase vs RxDB
A detailed comparison to help you choose between PocketBase and RxDB.
Quick Verdict
4.5/5
PocketBase
188 reviews
3.9/5
RxDB
336 reviews
PocketBase is rated higher (4.5 vs 3.9). PocketBase is an open source backend consisting of a single executable file with embedded SQLite database, realtime subscriptions, auth, file storage, and an admin dashboard. RxDB is a real-time, offline-first NoSQL database for JavaScript applications. Works in the browser, Node.js, React Native, and Electron. Syncs with CouchDB, Firestore, and others.
PocketBase Open-source backend with built-in database and real-time APIs | RxDB Reactive database for JavaScript apps with real-time sync | |
|---|---|---|
| Overview | ||
| Rating | 4.5 (188 reviews)✓ | 3.9 (336 reviews) |
| Pricing model | free | free |
| Starting price | Free | Free |
| Best for | Solo developers and small teams building web/mobile apps who want self-hosted backend simplicity without Firebase costs or vendor dependencies. | JavaScript/TypeScript developers building offline-capable apps requiring real-time data reactivity across multiple browser contexts. |
| Tags | ||
| Tags | free tieropen sourceself hostable | free tieropen source |
| Visit PocketBase → | Visit RxDB → | |
PocketBase
Pros
- + Deploy as single executable with zero external dependencies
- + Generate REST and real-time APIs automatically from database schema
- + Manage data and users through built-in admin dashboard
- + Self-hosted and open-source—full control over data and infrastructure
Cons
- - SQLite backend limits horizontal scaling for high-concurrency applications
- - Smaller community and ecosystem compared to Firebase or Supabase
- - Self-hosting requires basic DevOps knowledge for production deployments
RxDB
Pros
- + Build reactive queries with RxJS observables for live data updates
- + Sync data across tabs, devices, and optional cloud backend
- + Work completely offline with automatic conflict resolution
- + Use multiple storage engines via plugins for different environments
Cons
- - Steeper learning curve for developers unfamiliar with RxJS reactive patterns
- - Self-hosted sync server setup required for cross-device features
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