Proton vs Bitwarden

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

Proton compared with Bitwarden
Detail	Proton	Bitwarden
What it does	Privacy by default	The trusted, open source password manager for individuals, teams, and enterprises
Stage	Established	Established
Founded	Not given	2016
Based in	CH	US
Pricing model	Freemium	Freemium
Pricing	Free plan with basic features, plus paid subscription plans (Mail Plus, Unlimited, Family, and Business) with enhanced storage, features, and services.	Not given
Key features	Encrypted email Encrypted cloud storage Password manager VPN service Two-factor authenticator Video conferencing AI assistant Collaborative documents Online spreadsheets	End-to-end encrypted vault
What makes it different	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	Trusted open source with publicly available code for independent verification Full credential lifecycle management from creation to retirement Flexible deployment options and customization Zero-knowledge encryption ensuring only users can access their data G2 Fall 2026 #1 in customer satisfaction with 99/100 score
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)	90 +1 (up) since last check	86 no change since last check
Trust Flow (Majestic)	46	42
Citation Flow (Majestic)	71	57
Referring domains (Majestic)	41405	21305

6 details filled in for both companies.

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