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Mimestream vs Kiwi for Gmail: catalog facts
Mimestream	Kiwi for Gmail
Paid Paid app with a free trial available to download.	Paid Paid after a free trial, and can be cancelled at any time.
macOS	Windows, macOS
Native Mac interface Full support for Gmail labels, categories and filters	Gmail and Google Workspace in dedicated desktop windows Quick access to Docs, Sheets, Slides and Drive
Works only with Gmail accounts Mac only, requires macOS 12 or newer	Only works with Gmail and Google Workspace Paid after the trial
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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