OVault is described as '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' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to OVault for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Mac apps. The best OVault alternative is Ente Auth, which is both free and Open Source. Other great apps like OVault are Bitwarden Authenticator, 2FA Authenticator (2FAS), Authy and Google Authenticator.