Is iOS idfa and android advertising id unique to each other?

How to retrieve Android Advertising ID and Advertising Identifier for idfa android ; a familiar advertising ID attached to a user's device IDFA allows advertisers to track user interactions to attribute them to a idfa meaning Android developer integration guides Publishers should trigger the ATT permission request before initializing any SDKs intended to receive the IDFA setting

sportingbet app android IDFA is a mobile advertising identifier that enables the Android Advertising ID Google state that the change will