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Mia for Gmail vs Mailplane: catalog facts
Mia for Gmail	Mailplane
Freemium Free to download, with a low-cost premium version.	Paid Paid license; the current version 4 download is for existing license holders.
macOS	macOS
Quick access to Gmail from the menu bar Multiple Gmail accounts	Handles many Gmail accounts in one window Menu bar notifier with quick archive and reply
Gmail only macOS only	Mac only and limited to Google accounts New version 5 not yet released; version 4 is for existing license holders
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.