For future reference, Buycraft supports App (Google Authenticator), Enjin is paid-only and supports SMS and App (Authy), and SecureSafe is paid-only and supports SMS (DoubleSec is only for automatic login for the app, not getting the otp from the app itself).
For future reference, Buycraft supports App (Google Authenticator), Enjin is paid-only and supports SMS and App (Authy), and SecureSafe is paid-only and supports SMS (DoubleSec is only for automatic login for the app, not getting the otp from the app itself).