P
PowerSync
PowerSync is a sync engine designed to simplify data synchronization between backend databases and client-side SQLite.
Our verdict
Who it's for
Automatically sync your backend database with in-app SQLite for fast, reactive, local-first apps.
Who should look elsewhere
MySQL and SQL Server support are currently in beta/alpha stages
Pros
- +Eliminates complex API-based state management
- +Enables building highly responsive and offline-first applications
- +Leverages powerful and open technologies like SQLite
- +Open-source and source-available components
- +Scales horizontally to support many concurrent clients
Cons
- −MySQL and SQL Server support are currently in beta/alpha stages
- −Free plan projects are deactivated after 1 week of inactivity
Key features
- ✓High-scalability partial data syncing service
- ✓Client SDKs for managing client-side persistence, consistency, and reactivity
- ✓Bi-directional automatic partial syncing
- ✓Real-time reactivity with live queries
- ✓Painless schema evolution
- ✓Support for PostgreSQL, MongoDB, MySQL, and SQL Server backend databases
- ✓Dynamic data partitioning based on user-defined rules
- ✓Real-time streaming of updates to clients
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | $0 | month | PowerSync Service (isolated cloud service); Up to 2 GB data synced / month; Up to 500 MB of data hosted on PowerSync Service |
| Pro | $49 | month | Everything in the Free plan, plus:; No project deactivation; 30 GB data synced / month included |
| Team | $599 | month | Everything in the Pro plan, plus:; PowerSync Service version locking; Priority email support & SLA |
| Enterprise | — | month | Everything in the Team plan, plus:; Custom pricing; Scaling support & advisory |
| Open Edition | — | month | Self-hosting of free source-available edition; Support for Postgres, MongoDB, MySQL (beta), and SQL Server (alpha) backend databases; Access to all available client SDKs |
| Enterprise Self-Hosted | — | month | Self-hosting on Enterprise plan; Everything in the Open Edition, plus:; Custom pricing |