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Kiwi for Gmail vs Mimestream: catalog facts
Kiwi for Gmail	Mimestream
Paid Paid after a free trial, and can be cancelled at any time.	Paid Paid app with a free trial available to download.
Windows, macOS	macOS
Gmail and Google Workspace in dedicated desktop windows Quick access to Docs, Sheets, Slides and Drive	Native Mac interface Full support for Gmail labels, categories and filters
Only works with Gmail and Google Workspace Paid after the trial	Works only with Gmail accounts Mac only, requires macOS 12 or newer
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.