According to Pixalate’s May 2025 rankings, ‘Fox News’ (Apple App Store) and ‘ClevMoney’ (Google Play Store) ranked No. 1 among mobile apps; Hulu (Roku TV), ESPN (Samsung Smart TV), DirecTV (Amazon Fire TV), fuboTV (Apple TV) were among the top-ranked CTV apps; spotify.com was No. 1 for websites in the United States (U.S.)
London, June 03, 2025 (GLOBE NEWSWIRE) — Pixalate, the leading global platform for ad fraud protection, privacy, and compliance analytics, has released the May 2025 Publisher Trust Index (PTI) for the United States (U.S.). This index evaluates websites and apps across the Apple App Store, Google Play Store, and Connected TV (CTV) apps on Roku, Amazon Fire TV, Apple TV and Samsung Smart TV.
The Publisher Trust Index provides a comprehensive method for assessing quality and offers monthly rankings of the world’s websites and apps, bringing unprecedented transparency to the open programmatic advertising ecosystem.
In addition to the report for the U.S., Pixalate has also released Publisher Trust Indexes for the United Kingdom (UK), Germany, Spain, the Netherlands, Canada, Japan, and Brazil.
U.S. Web PTI Rankings (May 2025)
U.S. Mobile PTI Rankings (May 2025)
Apple App Store
Google Play Store
U.S. Connected TV PTI Rankings (May 2025)
Amazon Fire TV
Apple TV
Samsung Smart TV
Roku
Download the full rankings here.
Pixalate’s data science team analyzed over 35 billion global open programmatic ad impressions across 14+ million Google Play Store and Apple App Store mobile apps, and Connected TV (CTV) apps across Roku, Amazon Fire TV, Samsung Smart TV, and Apple TV app stores in May 2025 to compile the global Publisher Trust Indexes.
Pixalate uses its proprietary algorithms to measure quality metrics, including invalid traffic (IVT or ad fraud), Made For Advertising (MFA) risk, brand safety, ad density, viewability, reach, and more. The Publisher Trust Indexes spans rankings for 235+ countries across all four global regions: North America, EMEA, APAC, and LATAM, and provides breakdowns by 20+ different IAB taxonomy website categories. Pixalate’s methodology can be found at Publisher Trust Index: Methodology
Download the Publisher Trust Index Reports
About Pixalate
Pixalate is a global platform specializing in privacy compliance, ad fraud prevention, and digital ad supply chain data intelligence. Founded in 2012, Pixalate is trusted by regulators, data researchers, advertisers, publishers, ad tech platforms, and financial analysts across the Connected TV (CTV), mobile app, and website ecosystems. Pixalate is accredited by the MRC for the detection and filtration of Sophisticated Invalid Traffic (SIVT). pixalate.com