Yes, Rublon supports third-party OTP authenticators, including but not limited to:
Twilio Authy Authenticator
2FA Authenticator (2FAS)
To enroll a third-party authenticator app with Rublon MFA, refer to the following article:
Kindly consider using the Rublon Authenticator app for high security and multiple authentication methods, including the Mobile Push authentication methods, which is more secure than TOTP:
How to enroll a third-party authenticator app?
How to enroll a mobile device with Rublon Authenticator?
Rublon Authenticator - Overview
Rublon Authenticator for Android – Google Play