Compare software

True Key vs Proton Pass: catalog facts
True Key	Proton Pass
Free The website offers the download for free.	Paid Pass Family is a paid subscription covering six users.
Android	Windows, macOS, Linux, Android, iOS, Browser extension
Saves and fills passwords automatically Multi-factor authentication is always on	End-to-end encryption for logins, cards and notes Shared vaults update for every member at once
Closed source Supported platforms are not clearly listed on the homepage	Family features require a paid subscription Requires a Proton account for every member
Downloadable app	Downloadable app, Hosted service, Browser extension
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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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