Tenjin says Apple's IDFA changes had a big impact on mobile game and app makers.

Tenjin: Privacy-first changes have shifted mobile marketing into a zombified state

A year after Apple shook up mobile advertising, companies are still in a “zombified” state when it comes to effectively finding mobile users through advertising, Tenjin and Growth FullStack said in a report today.

The release comes ahead of Apple’s latest Worldwide Developers Conference (WWDC) happening as a virtual event today.

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Dean Takahashi

Dean Takahashi is editorial director for GamesBeat. He has been a tech journalist since 1988, and he has covered games as a beat since 1996. He was lead writer for GamesBeat at VentureBeat from 2008 to April 2025. Prior to that, he wrote for the San Jose Mercury News, the Red Herring, the Wall Street Journal, the Los Angeles Times, and the Dallas Times-Herald. He is the author of two books, "Opening the Xbox" and "The Xbox 360 Uncloaked." He organizes the annual GamesBeat Next, GamesBeat Summit and GamesBeat Insider Series: Hollywood and Games conferences and is a frequent speaker at gaming and tech events. He lives in the San Francisco Bay Area.