Aiven vs RxDB
A detailed comparison to help you choose between Aiven and RxDB.
Quick Verdict
3.7/5
Aiven
133 reviews
3.9/5
RxDB
336 reviews
RxDB is rated higher (3.9 vs 3.7). Aiven manages 12 open source database and streaming services: PostgreSQL, MySQL, Cassandra, Redis, Kafka, ClickHouse, Grafana, and more — across AWS, GCP, Azure, and DigitalOcean. 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.
Aiven Managed open source databases — 12 services | RxDB Reactive database for JavaScript apps with real-time sync | |
|---|---|---|
| Overview | ||
| Rating | 3.7 (133 reviews) | 3.9 (336 reviews)✓ |
| Pricing model | freemium | free |
| Starting price | Free tier available | Free |
| Best for | Teams needing multiple managed open source data services (Postgres + Kafka + Redis) on one platform | JavaScript/TypeScript developers building offline-capable apps requiring real-time data reactivity across multiple browser contexts. |
| Tags | ||
| Tags | free tiermanaged optionbackups includedeu datacenterus datacenterapac datacenterapi access | free tieropen source |
| Visit Aiven → | Visit RxDB → | |
Aiven
Pros
- + 12 open source services managed in one place
- + Multi-cloud across 5 major providers
- + Free trial with $300 credits
Cons
- - Expensive for small workloads
- - More complex than single-service providers
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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