Zoho OneAuth is described as 'Secure your Zoho Account with easy-to-use, multi-factor authentication. Because hackers won't give you a second chance' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to Zoho OneAuth for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Linux apps. The best Zoho OneAuth alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like Zoho OneAuth are Proton Authenticator, Bitwarden Authenticator, Keepass2Android and 2FA Authenticator (2FAS).