Side by side
PeerDB vs Sequin
Both stand on change data capture software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APISelf-hostedWeb
PeerDB offers several replication modes and Postgres-specific support, with free self-deployment and paid plans starting at $250 a month. Check destination maintenance status before planning a pipeline, since many destinations are deprecated.
Visit PeerDB Free plan APILinuxSelf-hosted+1
Sequin offers change streaming, backfills, and destination management as a self-hosted PostgreSQL tool. Consider the database version requirements and the end of Sequin Cloud when planning deployment.
Visit SequinThe facts
| PeerDB | Sequin | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Self-hosted, Web | API, Linux, Self-hosted, Web |
| Lowest paid plan | Micro: $250 a month | Free or on request |
| Plans published | 5 | 1 |
| Maker | Not published | Not published |
| Website | peerdb.io | sequinstream.com |
| On change data capture software | #10 of 23 | #14 of 23 |
PeerDB: what it does well
- Offers log-based, cursor-based, and XMIN replication.
- Provides a Postgres-compatible SQL interface.
- Supports Postgres types, TOAST columns, and schema changes.
- Free AGPL-3.0 use and deployment.
- Documentation and community Slack are available.
What to know first
- Many listed destinations are deprecated.
- Actively maintained destinations are ClickHouse, ClickHouse Cloud, and Postgres.
- Paid plans start at $250 a month.
Sequin: what it does well
- Routes PostgreSQL changes to a range of destinations.
- Supports backfills and selected-row replays.
- Sinks can be managed through a console, CLI, YAML, or API.
- Prometheus metrics and a Grafana dashboard are provided.
- Self-hosted plan is free.
What to know first
- Sequin Cloud shut down on October 23, 2025.
- PostgreSQL versions 12 and 13 have limitations.
- The introduction documentation supports PostgreSQL 14 or later.
Alternatives to PeerDB Alternatives to Sequin The whole list