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Ginger vs Harper: catalog facts
Ginger	Harper
Free The browser extensions are listed as free to add.	Free Free and open source.
Windows, macOS, Android, Browser extension	macOS, Web, Browser extension, Command line
Context-based grammar and spelling corrections Rephrasing and synonym suggestions	All checks run locally with no telemetry Works in browsers, editors and system-wide on macOS
Focused on English Text is checked by an online service	English only Rule-based checks do not rewrite text the way AI assistants do
Downloadable app, Browser extension	Downloadable app, Web application, Browser extension
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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