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BlueMail vs Mailbird: catalog facts
BlueMail	Mailbird
Freemium The client is free to download. Some features are reserved for paid plans.	Paid Paid desktop app, sold as a one-time or subscription license.
Windows, macOS, Linux, iOS	Windows, macOS
One inbox covers many accounts across Windows, macOS, Linux, Android and iOS with a consistent interface and shared…	Unifies multiple email accounts and providers into one inbox App integrations reduce the need to switch to separate tools
It is closed source, some features need a paid plan, and its handling of account credentials has drawn…	Windows and macOS only Full feature set requires a paid license
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is 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 22, 2026	Official website Full listing and sources Checked September 22, 2026

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