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Navicat for MySQL vs HeidiSQL: catalog facts
Navicat for MySQL	HeidiSQL
Paid Commercial software with perpetual licences and a free trial.	Free Free and open source under the GPL. Donations are welcomed but nothing is withheld.
Windows, macOS, Linux, iOS	Windows, Linux
Visual query builder alongside a full SQL editor Data and structure synchronization between servers	Exports structure and data directly to another server, not just to a file Native Delphi application; it starts instantly and stays small
Paid licence required after the trial Limited to MySQL and MariaDB; other engines need Navicat Premium	Windows-first; the Linux builds come from a separate Lazarus branch No macOS build
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License: GPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.