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Proton Mail vs Disroot: catalog facts
Proton Mail	Disroot
Freemium Free accounts work in the mobile and web apps; the desktop apps are offered as a free…	Free Free and donation-funded; extra email and cloud storage can be bought.
Windows, macOS, Linux, Android, iOS, Web	Android, Web
End-to-end encrypted email by default Apps for iOS, Android, macOS, Windows, Linux and the web	Email, cloud, chat and more under one account Works with standard IMAP clients
Only works with a Proton account Desktop apps need a paid plan after the trial	Depends on donations and a small team Custom domains only for regular supporters
Downloadable app, Web application, Hosted service	Downloadable app, Web application, Hosted service
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 September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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