vs

Evolu vs PowerSync

Evolu: Local-first TypeScript platform: SQLite on each device, end-to-end encrypted sync through relays. PowerSync: Sync engine that keeps on-device SQLite in sync with Postgres, MongoDB, MySQL or SQL Server.

key differences

  • Licensing: Evolu is open source (permissive) (MIT License); PowerSync is source-available (FSL-1.1-ALv2 (service); Apache-2.0 client SDKs).
  • PowerSync is built for larger datasets (≤ 10 TB) than Evolu (≤ 100 GB).
  • Horizontal scaling is none in Evolu and native in PowerSync.
  • Transactions: Evolu offers limited ACID; PowerSync offers full.
  • Only PowerSync has json.

choose evolu for

  • +Privacy-first personal apps (notes, finance, health)
  • +Wallet and security tooling
  • +Offline-capable apps without a backend team

best at · Local-first, Mobile/offline, Embedded

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

overview
Primary model
Relational
Relational
Also supports
–
–
Type
Embedded library
Database engine
Status
Active
Active
Developer
Daniel Steigerwald and Evolu contributors
JourneyApps (Journey Mobile, Inc.)
First release
2022
2023
Latest version
@evolu/common 8.23.2 (Oct 17, 2026)
service 1.27.2 (Oct 24, 2026)
License
Open source (permissive)MIT License
Source-availableFSL-1.1-ALv2 (service); Apache-2.0 client SDKs
Free tier
✓
✓
popularity
WhichDB Score
13.9
23.3
Rank
#242
#129
GitHub stars
1.9K
395
Stack Overflow questions
–
–
scale & guarantees
Comfortable data size
Small (≤ 100 GB)
Medium (≤ 10 TB)
Horizontal scaling
None
Native
Multi-region
Active active
Read replicas
ACID
Limited
Full
Consistency
Eventual
Causal, Eventual
Schema
Strict
Strict
Architecture
Embedded, Distributed
Client server, Embedded
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
✓
Serverless
—
—
Embedded
✓
✓
Edge
—
—
Clouds
–
–
capabilities
Transactions
✓
✓
Joins
✓
✓
Secondary indexes
✓
✓
Full-text search
—
—
Vector search
—
—
Geospatial
—
—
JSON
—
✓
Change data capture
—
—
Triggers
—
—
Stored procedures
—
—
Materialized views
—
—
TTL / expiry
—
—
Pub/Sub
—
—
Columnar storage
—
—
In-memory
—
—
Durable persistence
✓
✓
Compression
—
—
Encryption at rest
✓
✓
Role-based access
—
—
Time travel
—
—
Branching
—
—
Online schema changes
—
—
Streaming ingest
—
—
Offline sync
✓
✓
Runs in WebAssembly
✓
✓
interfaces
Query languages
SQL (via Kysely query builder)
SQL (SQLite on device), Sync Rules / Sync Streams (SQL-like)
Client languages
TypeScript
Dart, JavaScript, Kotlin, Swift, C#
Best for
Local-first, Mobile/offline, Embedded
Mobile/offline, Local-first, Embedded

Evolu vs PowerSync: FAQ

What is the difference between Evolu and PowerSync?

Evolu: Local-first TypeScript platform: SQLite on each device, end-to-end encrypted sync through relays. PowerSync: Sync engine that keeps on-device SQLite in sync with Postgres, MongoDB, MySQL or SQL Server. Licensing: Evolu is open source (permissive) (MIT License); PowerSync is source-available (FSL-1.1-ALv2 (service); Apache-2.0 client SDKs). PowerSync is built for larger datasets (≤ 10 TB) than Evolu (≤ 100 GB). Horizontal scaling is none in Evolu and native in PowerSync.

When should I choose Evolu over PowerSync?

Choose Evolu for privacy-first personal apps (notes, finance, health); wallet and security tooling; and offline-capable apps without a backend team. 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 Evolu or PowerSync more popular?

PowerSync ranks #129 on the WhichDB Score (23.3/100) and Evolu ranks #242 (13.9/100). Popularity is not fit: check the requirements that matter for your project.

Are Evolu and PowerSync open source?

Yes. Evolu is open source. License: MIT License. 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.