QuackDB and Sequel Ace
Sequel Ace is a free, open source macOS client for MySQL and MariaDB databases, and the community successor to Sequel Pro. QuackDB is a native macOS database client for SQLite, PostgreSQL, MySQL, SQL Server and Supabase. Choosing a database client is a bet on how you will spend many hours a week, so this page sets out honestly where the two differ and who each one suits.
At a glance
Platform
QuackDBmacOS only
Sequel AcemacOS only
Built with
QuackDBSwift, SwiftUI and AppKit
Sequel AceNative macOS application
Databases
QuackDBSQLite, PostgreSQL, MySQL, SQL Server, Supabase
Sequel AceMySQL and MariaDB
Focus
QuackDBOne workspace for several engines
Sequel AceManaging MySQL and MariaDB databases
Licensing
QuackDBComing soon to the Mac App Store; the previous version is free
Sequel AceFree and open source
Platforms and databases side by side
QuackDB, runs on
- macOS: Supported
- Windows: Not supported
- Linux: Not supported
QuackDB, databases
- SQLite: Supported
- PostgreSQL: Supported
- MySQL: Supported
- SQL Server: Supported
- Supabase: Supported
Sequel Ace, runs on
- macOS: Supported
- Windows: Not supported
- Linux: Not supported
Sequel Ace, databases
- SQLite: Not supported
- PostgreSQL: Not supported
- MySQL: Supported
- SQL Server: Not supported
- Supabase: Not supported
Filled means supported. A crossed out name means the tool does not list that platform or engine. Supabase is PostgreSQL underneath. Based on each vendor's public description.
Choose Sequel Ace if
- You only use MySQL or MariaDB and want a free, open source Mac app.
- You need the connection options and MySQL-specific tooling it is built around.
- You already use it and it fits your workflow.
Choose QuackDB if
- You use MySQL and other engines, such as PostgreSQL, SQLite, SQL Server or Supabase.
- You want a schema diagram, notebooks and a change history in the same app.
- You want the same sidebar, editor and grid for every connection.
Information about Sequel Ace comes from publicly available descriptions and may change. Check the vendor's website for current details. Reviewed October 2026.