I use Google Authenticator. It's actually more pertinent now after some recent hacks. People are calling cellphone providers and getting access to other people'

I use Google Authenticator. It's actually more pertinent now after some recent hacks. People are calling cellphone providers and getting access to other people's simcards. Then they try to hack any accounts that use SMS our Authy 2FA. (Authy because it's tied to your phone, but google authenticator isn't).