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Mimestream vs MailMate: catalog facts
Mimestream	MailMate
Paid Paid app with a free trial available to download.	Freemium Uses a license key model, and the developer describes a Free Mode.
macOS	macOS
Native Mac interface Full support for Gmail labels, categories and filters	Extensive keyboard control Markdown email composition
Works only with Gmail accounts Mac only, requires macOS 12 or newer	macOS only Current 2.0 version is still a beta
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	No 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.