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Proton Mail vs Canary Mail: catalog facts
Proton Mail	Canary Mail
Freemium Free accounts work in the mobile and web apps; the desktop apps are offered as a free…	Paid Paid subscription, with a free trial or limited free tier.
Windows, macOS, Linux, Android, iOS, Web	Windows, macOS, Android, iOS
End-to-end encrypted email by default Apps for iOS, Android, macOS, Windows, Linux and the web	Built-in encryption support alongside AI-assisted email triage Available across Windows, Mac, iOS, and Android
Only works with a Proton account Desktop apps need a paid plan after the trial	Full feature set requires a paid subscription AI features depend on cloud processing rather than being fully local
Downloadable app, Web application, Hosted service	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 22, 2026

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