PowerSync
PowerSync is a sync engine that keeps backend databases in sync with on-device embedded SQLite. It enables offline-first, real-time reactive apps through bi-directional partial syncing from Postgres, MongoDB, MySQL, or SQL Server with automatic background sync.
Overview
| Category | Realtime |
| Ecosystem | Multi-database |
| Self-Hostable | No |
| On-Prem | No |
| Best For | startup, growth, enterprise |
| Last Verified | 2026-02-13 |
Strengths & Weaknesses
Strengths:- performance
- reliability
- security
- Requires SQLite on client
- Learning curve for sync rules
When to Use
Best when:- You need offline-first capabilities
- You're building mobile apps with local storage
- You want real-time sync from multiple database types
- You need web-only sync
- Your clients can't use SQLite