QuickOTP is described as 'Privacy-first authenticator app built exclusively for macOS. Whether you're securing personal logins or professional tools, QuickOTP offers a fast, stable, and secure way to manage your one-time passwords across all your accounts' and is a Authenticator in the security & privacy category. There are nine alternatives to QuickOTP for a variety of platforms, including iPhone, iPad, Android Tablet, Android and Mac apps. The best QuickOTP alternative is 2FA Authenticator (2FAS), which is both free and Open Source. Other great apps like QuickOTP are Google Authenticator, andOTP, FreeOTP and OVault.