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Passpack vs Psono: catalog facts
Passpack	Psono
Paid Teams plan is $20 per user per year, billed annually, with a 28-day free trial.	Freemium The community edition is free and open source. Enterprise editions and hosting are paid.
iOS, Web, Browser extension	Linux, Web, Self-hosted, Browser extension
End-to-end encrypted, zero-knowledge storage Unlimited passwords and teams on paid plans	SAML and LDAP authentication in a self-hosted community edition Fine-grained sharing with audit logging
Built for businesses rather than personal use No free tier beyond the 28-day trial	Some enterprise features are reserved for the paid edition Self-hosting requires running several containers
Downloadable app, Hosted service, Browser extension	Self-hosted, Web application, Browser extension
Closed source	Open source
License not stated	License: Apache-2.0
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 24, 2026	Official website Full listing and sources Checked September 22, 2026

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