Singular's ROI Index 2025 report on ad spending is out.
Singular's ROI Index 2025 report on ad spending is out.
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Reddit and Moloco join Google, Meta, TikTok and Apple in mobile ad leadership

  • Posted byby Dean Takahashi
  • Updated
  • 2 min

Singular released the 2025 return on investment (ROI) Index, a comprehensive data-driven ranking of mobile advertising performance across the globe. This year’s report show that Reddit and Moloco have joined Google, Meta, TikTok and Apple in mobile ad leadership, Singular said.

This year’s report reflects tens of billions of dollars in ad spend, billions of app installs, and trillions of in-app and web ad impressions across millions of advertising campaigns. With all that data, it offers marketers a roadmap to the best ad partners for return on ad spend (ROAS). (We last covered it in 2023).

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Written by

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.