Couchbase Lite vs PowerSync
Couchbase Lite: Embedded JSON document database with SQL++ queries, vector search and sync to Couchbase. PowerSync: Sync engine that keeps on-device SQLite in sync with Postgres, MongoDB, MySQL or SQL Server.
key differences
- Couchbase Lite is primarily a document database; PowerSync is relational.
- PowerSync is built for larger datasets (≤ 10 TB) than Couchbase Lite (≤ 100 GB).
- Horizontal scaling is none in Couchbase Lite and native in PowerSync.
- Only Couchbase Lite has full-text search, vector search.
- Only PowerSync has runs in webassembly.
choose couchbase-lite for
- +Field-service and retail apps that must work offline for hours
- +Airline, logistics and healthcare apps with intermittent connectivity
- +Edge deployments syncing to a central Couchbase cluster
best at · Mobile/offline, Embedded, Edge
choose powersync for
- +Offline-first field-service and inspection apps
- +Migrating off Realm/Atlas Device Sync
- +Flutter and React Native apps on a Postgres or MongoDB backend
- +Local-first web apps with SQLite in the browser
best at · Mobile/offline, Local-first, Embedded
Couchbase Lite vs PowerSync: FAQ
What is the difference between Couchbase Lite and PowerSync?
Couchbase Lite: Embedded JSON document database with SQL++ queries, vector search and sync to Couchbase. PowerSync: Sync engine that keeps on-device SQLite in sync with Postgres, MongoDB, MySQL or SQL Server. Couchbase Lite is primarily a document database; PowerSync is relational. PowerSync is built for larger datasets (≤ 10 TB) than Couchbase Lite (≤ 100 GB). Horizontal scaling is none in Couchbase Lite and native in PowerSync.
When should I choose Couchbase Lite over PowerSync?
Choose Couchbase Lite for field-service and retail apps that must work offline for hours; airline, logistics and healthcare apps with intermittent connectivity; and edge deployments syncing to a central Couchbase cluster. Choose PowerSync for offline-first field-service and inspection apps; migrating off Realm/Atlas Device Sync; and flutter and React Native apps on a Postgres or MongoDB backend.
Is Couchbase Lite or PowerSync more popular?
PowerSync ranks #129 on the WhichDB Score (23.3/100) and Couchbase Lite ranks #332 (7.9/100). Popularity is not fit: check the requirements that matter for your project.
Are Couchbase Lite and PowerSync open source?
Not in the OSI sense. Couchbase Lite is source-available: you can read the code, but the license restricts some uses, typically offering it as a competing managed service. License: Apache-2.0 / BSL 1.1 Community Edition; commercial Enterprise Edition. Not in the OSI sense. PowerSync is source-available: you can read the code, but the license restricts some uses, typically offering it as a competing managed service. License: FSL-1.1-ALv2 (service); Apache-2.0 client SDKs.