pgroll

Free#17 of 32 in Database Migration ToolsDatabase Testing Tools

pgroll: A focused open-source CLI for reversible PostgreSQL schema changes without downtime. Ranked #17 of 32 in Database Migration Tools by our editors (7.2/10); pricing: Open source; best for zero-downtime schema transformation projects.

7.2/10★★★★☆Editor score

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At a glance

• Editor score
  7.2 / 10
• Pricing
  Open source
• Best for
  Zero-downtime schema transformation projects
• Paid from
  Free
• Rollback support
  Yes
• Facts checked
  20 Sep 2026

• Where it wins

  • Maintains old and new schema versions during migrations
  • Supports instant rollback of active migrations
  • Backfills columns and applies up and down data transformations

• Where it doesn't

  • Focused on PostgreSQL rather than multiple database engines
  • Requires PostgreSQL 14 or later
  • Delivered as a CLI instead of a hosted commercial service

Our verdict on pgroll

pgroll is an open-source command-line tool for applying reversible PostgreSQL schema migrations without application downtime. It is designed for teams that need to roll out application changes gradually while keeping existing and updated schema versions available at the same time. The tool is especially suited to zero-downtime schema transformation projects involving PostgreSQL 14 or later.

Its main strength is the migration model. pgroll maintains old and new schema versions simultaneously through virtual schemas, views, triggers, and backfills. Automatic column backfilling supports data movement during a migration, while up and down data transformations help coordinate changes in both directions. Active migrations can be rolled back instantly, and baseline import supports existing databases. The tool also converts ORM-generated SQL migrations, which can help connect application migration workflows with its migration format.

The platform fit is broad at the binary level: pgroll runs on Windows, macOS, and Linux, supports self-hosted operation, and can connect to PostgreSQL services including Amazon RDS and Aurora. Its scope is intentionally focused, however. It is a PostgreSQL migration CLI rather than a hosted commercial service, and PostgreSQL 14 or later is required. Choose pgroll when reversible, staged schema changes and rollback are central requirements; choose another category tool when you need a multi-database migration platform or a hosted service.

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pgroll pricing

pgroll fact sheet

Alternatives to pgroll

• FlywayA broad migration platform with free core commands and deeper controls in paid editions.9.4
• AtlasAffordable schema automation with strong migration controls and CI/CD support.9.2
• LiquibaseA governed migration workflow with changelogs, rollback, drift detection, and a free tier.9.1

See all pgroll alternatives →

Featured on iTechGuides

pgroll is listed in our Database Migration Tools directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update