HENNGE OTP Generator is described as 'Virtual device application for multi-factor authentication (MFA), so-called two-step verification, which generates time-based one-time passwords (OTP)' and is a Authenticator in the security & privacy category. There are more than 25 alternatives to HENNGE OTP Generator for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Apple Watch apps. The best HENNGE OTP Generator alternative is Bitwarden Authenticator, which is both free and Open Source. Other great apps like HENNGE OTP Generator are 2FA Authenticator (2FAS), Authy, Google Authenticator and Authenticator Extension.