# Bitwarden Authenticator vs Proton Authenticator

Source: https://listme.name/compare/bitwarden-authenticator-vs-proton-authenticator
Framed by the ranking: https://listme.name/best/authenticator-apps

| | Bitwarden Authenticator | Proton Authenticator |
|---|---|---|
| Score | 84.5 | 89.0 |
| Rank | #7 | #2 |
| Price | Free and open source | Free |
| Best for | Free mobile 2FA for Bitwarden users | Encrypted sync across phones, tablets and desktops |
| Backups and sync | Not described on its page | End-to-end encrypted sync and backup |

Free, open-source two-factor app from Bitwarden that needs no account and works on iOS and Android. It is mobile only, and its page does not describe sync or backup. Open-source app with end-to-end encrypted sync and backup across phones, tablets and desktops, plus an Apple Watch app. No browser extension is listed, and the company is Swiss-based.