Tigris vs RxDB
A detailed comparison to help you choose between Tigris and RxDB.
Quick Verdict
4.8/5
Tigris
108 reviews
3.9/5
RxDB
336 reviews
Tigris is rated higher (4.8 vs 3.9). Tigris is a serverless NoSQL database with built-in search and S3-compatible object storage. Global distribution, no connection pools needed, and developer-first design. Used on Fly.io. 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.
Tigris Globally distributed database built for modern apps | RxDB Reactive database for JavaScript apps with real-time sync | |
|---|---|---|
| Overview | ||
| Rating | 4.8 (108 reviews)✓ | 3.9 (336 reviews) |
| Pricing model | freemium | free |
| Starting price | Free tier available | Free |
| Best for | Fly.io users and serverless developers who want database, search, and object storage from a single platform | JavaScript/TypeScript developers building offline-capable apps requiring real-time data reactivity across multiple browser contexts. |
| Tags | ||
| Tags | free tiers3 compatibleeu datacenterus datacenterapac datacenterapi access | free tieropen source |
| Visit Tigris → | Visit RxDB → | |
Tigris
Pros
- + Database + search + object storage in one API
- + No connection pools needed
- + Global distribution built-in
Cons
- - Newer platform — smaller community
- - Less mature than MongoDB Atlas
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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