Unique identifiers given to mobile devices. Types of mobile device IDs include:

  • Identifier for Advertisers (IDFA)  for Apple/iOS devices
  • Android Advertising ID (AAID) for Android devices

This category of IDs is sometimes referred to as Mobile User IDs (MUID) or Mobile Advertising IDs (MAID).

Related Articles:

Formatting Mobile Device IDs

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Updated 12/13/18.