Side by side
dsync vs Google Cloud Datastream
Both stand on database replication software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacSelf-hosted+2
dsync offers migration, change capture, verification and resumability with a self-hosted open source edition. Check connector status and the DDL, index and read-plan limits against your data workflow.
Visit dsync Free plan APIWeb
Datastream provides serverless change capture and replication to several Google Cloud destinations, with a free tier for specified source and destination combinations. Check event ordering, size limits, and processing charges against the needs of your data flow.
Visit Google Cloud DatastreamThe facts
| dsync | Google Cloud Datastream | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Self-hosted, Web, Windows | API, Web |
| Lowest paid plan | Free or on request | See the plans |
| Plans published | 2 | 3 |
| Maker | Not published | Not published |
| Website | adiom.io | cloud.google.com |
| On database replication software | #5 of 32 | #9 of 32 |
dsync: what it does well
- Supports one-time migrations and continuous replication.
- Can resume copies from saved state.
- Offers count-based and hash-based integrity checks.
- Runs as a single binary in several environments.
- Supports transformations through external gRPC-connected processes.
What to know first
- Does not replicate source DDL statements or indexes.
- Open source read plans have a 16 MB cap with metadata-store resumability.
- Several connectors are still in preview or development.
Google Cloud Datastream: what it does well
- Free tier covers 100 GiB of eligible CDC data monthly.
- Streams can capture ongoing changes and backfill history.
- Scales automatically without resource provisioning or management.
- Offers IP allowlisting, SSH tunneling, and private VPC peering.
- Buffered data is encrypted at rest.
What to know first
- Event order is not guaranteed.
- Other Google Cloud resources are billed separately.
- Documented event limits are 20 MB for BigQuery and 100 MB for Cloud Storage.
- Some listed sources are preview.
Alternatives to dsync Alternatives to Google Cloud Datastream The whole list

