KeePassXC vs Proton

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

KeePassXC compared with Proton
Detail	KeePassXC	Proton
What it does	Cross-platform Password Manager	Privacy by default
Stage	Established	Established
Founded	2016	Not given
Based in	DE	CH
Pricing model	Free	Freemium
Pricing	Not given	Free plan with basic features, plus paid subscription plans (Mail Plus, Unlimited, Family, and Business) with enhanced storage, features, and services.
Key features	Password storage and auto-fill Encrypted offline storage Cross-platform support Auto-Type functionality Bitwarden import support Passkeys support	Encrypted email Encrypted cloud storage Password manager VPN service Two-factor authenticator Video conferencing AI assistant Collaborative documents Online spreadsheets
What makes it different	No cloud, ads, subscriptions or tracking Security Visa certification from ANSSI Full data control with offline encryption Completely open source under GPLv3	End-to-end encryption where no one, not even Proton, can access user data Swiss-based with protection under strong privacy laws Open source and independently audited by security experts Non-profit structure with no venture capital or advertising Privacy as a fundamental human right, always available for free
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	77 no change since last check	90 +1 (up) since last check
Trust Flow (Majestic)	36	46
Citation Flow (Majestic)	48	71
Referring domains (Majestic)	6508	41405

6 details filled in for both companies.