Compare software

Proton Pass vs True Key: catalog facts
Proton Pass	True Key
Paid Pass Family is a paid subscription covering six users.	Free The website offers the download for free.
Windows, macOS, Linux, Android, iOS, Browser extension	Android
End-to-end encryption for logins, cards and notes Shared vaults update for every member at once	Saves and fills passwords automatically Multi-factor authentication is always on
Family features require a paid subscription Requires a Proton account for every member	Closed source Supported platforms are not clearly listed on the homepage
Downloadable app, Hosted service, Browser extension	Downloadable app
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 October 2, 2026

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