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Mailplane vs Boxy Suite: catalog facts
Mailplane	Boxy Suite
Paid Paid license; the current version 4 download is for existing license holders.	Paid Subscription with a free trial that can be cancelled at any time.
macOS	macOS
Handles many Gmail accounts in one window Menu bar notifier with quick archive and reply	Separate apps for Gmail, Calendar, Keep and Contacts Keeps Google services out of browser tabs
Mac only and limited to Google accounts New version 5 not yet released; version 4 is for existing license holders	Mac only Works only with Google services
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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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