Best Two-Factor Authentication Services
Ranking two-factor authentication services based on security strength, ease of use, compatibility with devices and applications, and customer support.
Top Ranked
Authy offers robust two-factor authentication with both SMS-based one-time passwords (OTPs) and Time-Based One-Time Passwords (TOTP). It supports multiple platforms, including iOS, Android, Windows, a...
Bitwarden is a highly secure, open-source password manager that offers a compelling free tier and inexpensive premium plans. Its transparent architecture has been independently audited. It supports un...
LastPass is one of the most widely recognized password managers, offering a generous free tier that syncs across all device types. It provides core features like password generation, secure sharing, a...
Google Authenticator is a widely-used open-source two-factor authentication service that generates TOTP codes via QR code scanning. It integrates seamlessly with Google accounts and supports other ser...
KeePass is a free, open-source, and highly secure password manager that stores data locally in an encrypted database. Its power lies in its flexibility and vast plugin ecosystem. However, it lacks bui...
LastPass Authenticator is a two-factor authentication service that integrates with the LastPass password manager. It supports TOTP codes and offers cross-platform compatibility, making it easy to use...
ProtonMail is a Swiss-based email service that offers end-to-end encryption, ensuring that only the sender and recipient can read messages. It also provides secure file sharing, two-factor authenticat...
1Password is a premium password manager renowned for its exceptional security design and polished user experience. It uses a Secret Key combined with your master password for robust encryption. For fa...
Microsoft Authenticator is designed for the Microsoft ecosystem, offering push notifications and integration with Azure Active Directory (AAD). It supports a wide range of services within the Microsof...
Dashlane distinguishes itself with a strong focus on proactive security and identity protection. Beyond standard password management, it includes a built-in VPN for all premium users, continuous dark...
Duo Mobile is a two-factor authentication app that offers strong security with TOTP and U2F support. It provides enterprise-grade features, including SMS backups for added redundancy. Suitable for use...
Authy for Business is a comprehensive two-factor authentication service designed for enterprises. It offers robust security with TOTP and U2F support, along with backup features like SMS backups. Idea...
Microsoft Azure Multi-Factor Authentication (MFA) is a cloud-based service that provides strong security with TOTP and U2F support. It offers enterprise-grade features, including integration with Micr...
Keeper is a mobile-first app focused exclusively on helping freelancers find tax deductions and track expenses. It scans transactions, identifies write-offs, and prompts you to capture receipts. It's...
Yubico Authenticator is a hardware-based two-factor authentication solution that supports FIDO2 and USB keys. It provides strong security through physical tokens, making it ideal for businesses requir...
1Password Authenticator is a two-factor authentication service that integrates with the 1Password password manager. It supports TOTP codes and offers cross-platform compatibility, making it easy to us...
RoboForm is a veteran in the password management space, praised for its exceptional form-filling capabilities and reliability. It uses strong AES-256 encryption and offers a robust free version for a...
Dashlane Business is an enterprise-focused version of Dashlane, offering team collaboration and advanced security features. It supports Windows, macOS, iOS, Android, and Linux. Its robust security and...
NoPassword provides a simple and intuitive interface with two-factor authentication and mobile apps. It supports multiple platforms, making it easy for students to manage their passwords on various de...
