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Tuta Desktop vs Hushmail: catalog facts
Tuta Desktop	Hushmail
Freemium A free account with limited storage and one address. Paid plans add custom domains…	Paid Paid plans for practices, businesses and personal use.
Windows, macOS, Linux	iOS, Web
End-to-end encrypts mail bodies, subject lines, calendar and contacts Password-protected messages to recipients who are not Tuta users	Encrypted email together with e-signable secure forms Plans shaped around HIPAA and Canadian privacy rules
No IMAP or SMTP, so third-party mail clients cannot be used A Tuta account is required; it is not a general mail client	Features and pricing lean toward healthcare practices Hosted service, so you rely on the provider for your mail
Downloadable app	Downloadable app, Web application, Hosted service
Open source	Closed source
License: GPL-3.0	License not stated
Account needed	Account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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