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BlueMail vs Foxmail: catalog facts
BlueMail	Foxmail
Freemium The client is free to download. Some features are reserved for paid plans.	Free Free to download.
Windows, macOS, Linux, iOS	Windows, macOS
One inbox covers many accounts across Windows, macOS, Linux, Android and iOS with a consistent interface and shared…	Handles very large mailboxes Built-in notes synced with QQMail
It is closed source, some features need a paid plan, and its handling of account credentials has drawn…	Changelog gives little detail beyond bug fixes Note sync is tied to Tencent's QQMail
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 October 1, 2026

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