| Encryption | AES-256-GCM, PBKDF2 600,000 (SHA-256) | AES-256, PBKDF2 or Argon2id |
| Zero-knowledge | Yes | Yes |
| Free tier | Yes (with item limits) | Yes (unlimited passwords and devices) |
| Built-in 2FA authenticator (TOTP) | Yes, included on every plan | Yes (premium, or the separate Bitwarden Authenticator) |
| Open source | No (client crypto module planned) | Yes |
| Published independent audits | Not yet | Yes, recurring |
| Beyond passwords | Cards, crypto seed phrases, identities, notes, documents with OCR, subscriptions, expenses, investments | Cards, identities, secure notes |
| Biometric unlock | Yes | Yes |
| Platforms | Web, iOS, Android, browser extension | Web, iOS, Android, desktop, extension, CLI |