Authy is described as 'Manage and secure two-factor authentication easily across Gmail, Dropbox, and more. Sync devices, secure backups, and enjoy offline access' and is a very popular Authenticator in the security & privacy category. There are more than 50 alternatives to Authy for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Mac apps. The best Authy alternative is Bitwarden, which is both free and Open Source. Other great apps like Authy are Aegis Authenticator, Ente Auth, Proton Authenticator and Bitwarden Authenticator.
Sign in is easy, convenient, and secure when you use Microsoft Authenticator. Use your phone, not your password, to log into your Microsoft account. You simply have to enter your username, then approve the notification sent to your phone.
United States
AES-256 encrypted, fully offline vault for passwords, files, notes, and TOTP codes with biometric and decoy unlock. No cloud, tracking, or ads. Supports unlimited credentials, file import, PDF scans, and auto-clearing clipboard with device-based encryption and export.
Australia
OnlyKey is an open source alternative to YubiKey. OnlyKey natively supports: a hardware password manager, multiple two-factor methods (FIDO2, TOTP, and Yubico® OTP), passwordless SSH login, and OpenPGP.
United States
Gnome Authenticator is a desktop 2FA code generator for Linux desktops, like Ubuntu.
Czechia
EU
Open-source authenticator app for iOS and macOS generates time-based one-time passwords, supports secure iCloud sync and encrypted backup, FaceID and TouchID unlocking, QR code scanning, custom icons, search, handoff for copying codes, and encrypted export.
Morocco
Duo Mobile works with Duo Security's two-factor authentication service to make logins more secure. The application generates passcodes for login and can receive push notifications for easy, one-tap authentication.
United States
Tofu generates one-time passwords to help you protect your online accounts. These passwords are used together with your normal password when you sign into services like Google, Facebook, Dropbox, Amazon, and GitHub.
SwedenEU
Protectimus Solutions provides a powerful multi-factor authentication service. We offer 2FA SaaS platform and on-premise version of the product which supports a great variety of TOTP tokens and program tokens for OTP delivery.
United Kingdom
OVault is a super simple OTP app that lets you view and manage OTPs for all your accounts. Set up OTPs by scanning QR codes with your devices Camera App, or by manually providing the OTP secret to the app.
United Kingdom
LastPass Authenticator offers a unique one-tap password verification experience that no other authenticator app delivers.
United States
Keysmith is a token generator for your two-factor authentication (2FA) logins. It supports time and hash-based one-time passwords (TOTP/HOTP).
GermanyEU
x2y Authenticator is a privacy-focused 2FA app that securely stores TOTP tokens in an encrypted vault. Features include Stealth Mode, Panic Backups, and Local PC Sync, giving you full control over your authentication data.
Kenya
