Compare Proton Authenticator vs. Proton Mail

Proton Authenticator is a privacy-centric two-factor authentication application that creates time-based one-time passwords, enhancing the security of online accounts by providing an additional layer beyond mere passwords, thereby enabling users to safeguard their accounts across multiple devices. Being open-source and employing end-to-end encryption, it ensures that all cryptographic processes and secret keys are handled locally, so even the developers at Proton cannot access your unencrypted 2FA information, thus prioritizing transparency and robust privacy by design. Users have the ability to sync their 2FA codes across different devices through encrypted backups, including options like iCloud or a Proton Account, as well as import codes from other authenticator applications and export them if necessary, which offers flexibility and autonomy over their 2FA credentials without being tied to a single vendor. Moreover, Proton Authenticator is completely free, devoid of any ads or tracking, and incorporates secure functionalities such as biometric locks and offline access, allowing users to generate login codes whenever needed, even without an internet connection. This makes it an ideal choice for those who prioritize security while managing their online accounts effectively.

Secure your company’s communications with Proton Mail — the business email solution trusted by over 50,000 organizations. With end-to-end encryption built in, your internal and external communications stay confidential by default. Proton Mail helps your business meet GDPR, HIPAA, and other compliance standards, while giving you full control over your data under strong Swiss privacy laws. Empower your team with encrypted email and calendar, support for your custom email domains, professional branding, and simple migration from providers like Google Workspace or Microsoft 365 — no IT team required.