RxDB vs PocketBase
A detailed comparison to help you choose between RxDB and PocketBase.
RxDB Reactive database for JavaScript apps with real-time sync | PocketBase Open-source backend with built-in database and real-time APIs | |
|---|---|---|
| Overview | ||
| Rating | 3.9 (336 reviews) | 4.5 (188 reviews)✓ |
| Pricing model | free | free |
| Starting price | Free | Free |
| Best for | JavaScript/TypeScript developers building offline-capable apps requiring real-time data reactivity across multiple browser contexts. | Solo developers and small teams building web/mobile apps who want self-hosted backend simplicity without Firebase costs or vendor dependencies. |
| Tags | ||
| Tags | free tieropen source | free tieropen sourceself hostable |
| Visit RxDB → | Visit PocketBase → | |
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
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
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