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Mimestream vs Airmail: catalog facts
Mimestream	Airmail
Paid Paid app with a free trial available to download.	Freemium Available on the App Store; see the store listing for current pricing and subscription…
macOS	macOS, iOS
Native Mac interface Full support for Gmail labels, categories and filters	Supports Gmail, Exchange, iCloud, IMAP, POP3 and more Unified and smart inboxes with snooze
Works only with Gmail accounts Mac only, requires macOS 12 or newer	Apple platforms only Pricing details are not stated on the homepage
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is 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.