--- title: March 2025 Japan Publisher Trust Rankings description: Pixalate's March 2025 Publisher Trust Index for Japan reveals the top Mobile Apps and Websites for Open Programmatic ad traffic quality image: https://www.pixalate.com/hubfs/Blog%20Media/2025%20Covers%20and%20Images/Japan%20-%20Publisher%20Trust%20Index%20-%20All%20-%20March%202025.png --- [![pixalate-full-logo](https://www.pixalate.com/hs-fs/hubfs/Pixalate_Logos/pixalate-full-logo.jpg?width=150&height=60&name=pixalate-full-logo.jpg "pixalate-full-logo")](https://www.pixalate.com) Search **Menu** ** ** ![](https://www.pixalate.com/hubfs/Blog_Media/Blog%20photos/pixalate-blog-bg.png) [Mobile Apps](https://www.pixalate.com/blog/topic/mobile-apps) | [Rankings](https://www.pixalate.com/blog/topic/rankings) | [Websites](https://www.pixalate.com/blog/topic/websites) | [Publisher Trust Index](https://www.pixalate.com/blog/topic/publisher-trust-index) | 2 min read # Pixalate’s March 2025 Japan Publisher Rankings for Websites and Mobile Apps: ‘Ibis Paint X’ No. 1 Ranked Apple App Store Mobile App For Open Programmatic Ad Traffic Quality Written by [Pixalate](https://www.pixalate.com/blog/author/pixalate) Apr 8, 2025 2:00:00 PM *According to Pixalate’s March 2025 rankings, ‘Notepad - notes & memo app’, ‘Duolingo’, and ‘FR Legends’ are among the top-ranked Google Play Store mobile apps; Rakuten.com ranked No. 1 website for programmatic ad quality in Japan* LONDON, April 10, 2025** --** [Pixalate](http://pixalate.com/), a leading global platform for ad fraud protection, privacy, and compliance analytics, has released the [March 2025 Publisher Trust Index (PTI) for Japan](https://www.pixalate.com/japan-publisher-trust-index-web-mobile-ctv). This index evaluates apps across various platforms, including the web, the Apple App Store, and the Google Play Store. 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 Japan, Pixalate has also released Publisher Trust Indexes for the UK, the U.S., Canada, Germany, Spain, Brazil, and the Netherlands. ## **Japan Website PTI ****Rankings ****(March 2025)** 1. [Rakuten.com](https://ratings.pixalate.com/insight/domains/rakuten.co.jp/GLOBAL/GLOBAL) 2. [yahoo.com ](https://ratings.pixalate.com/insight/domains/yahoo.com/GLOBAL/GLOBAL) 3. [reuters.com](https://ratings.pixalate.com/insight/domains/reuters.com/GLOBAL/GLOBAL) Download the full rankings [here](https://www.pixalate.com/japan-publisher-trust-index-web-mobile-ctv). ## **Japan Mobile PTI ****Rankings ****(March 2025)** ## **Apple App Store** 1. [Ibis Paint X](https://ratings.pixalate.com/insight/apps/450722833/APAC/ios/GLOBAL?country=JP&month=202503) 2. [マンガMee-人気の少女漫画が読めるマンガアプリ ](https://ratings.pixalate.com/insight/apps/1435571943/APAC/ios/GLOBAL?country=JP&month=202503) 3. [ウェザーニュース](https://ratings.pixalate.com/insight/apps/302955766/APAC/ios/GLOBAL?country=JP&month=202503) Download the full rankings [here](https://www.pixalate.com/japan-publisher-trust-index-web-mobile-ctv). ## **Google Play Store** 1. [Notepad - notes & memo app](https://ratings.pixalate.com/insight/apps/com.komorebi.memo/APAC/android/GLOBAL?country=JP&month=202503) 2. [Duolingo](https://ratings.pixalate.com/insight/apps/com.duolingo/APAC/android/GLOBAL?country=JP&month=202503) 3. [FR Legends](https://ratings.pixalate.com/insight/apps/com.fengiiley.frlegends/APAC/android/GLOBAL?country=JP&month=202503) Download the full rankings [here](https://www.pixalate.com/japan-publisher-trust-index-web-mobile-ctv). Pixalate’s data science team analyzed over 32 billion global open programmatic ad impressions across 12+ million websites, 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 March 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](https://www.pixalate.com/knowledgebase/publisher-trust-index) Download the reports: | - [Netherlands](https://www.pixalate.com/netherlands-publisher-trust-index-for-web-mobile-and-ctv?utm_campaign=Publisher%20Trust%20Index&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz--HvxD4XedTSHZ15b2hPnNEroPcST65E8wA1hF9014unZeMkiDeG5ujNW9AI9dgY2neRg6s) - [Germany](https://www.pixalate.com/germany-publisher-trust-index-web-mobile-ctv?utm_campaign=Publisher%20Trust%20Index&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz--HvxD4XedTSHZ15b2hPnNEroPcST65E8wA1hF9014unZeMkiDeG5ujNW9AI9dgY2neRg6s) - [Canada](https://www.pixalate.com/canada-publisher-trust-index-web-mobile-ctv?utm_campaign=Publisher%20Trust%20Index&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz--HvxD4XedTSHZ15b2hPnNEroPcST65E8wA1hF9014unZeMkiDeG5ujNW9AI9dgY2neRg6s) - [Japan](https://www.pixalate.com/japan-publisher-trust-index-web-mobile-ctv?utm_campaign=Publisher%20Trust%20Index&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz--HvxD4XedTSHZ15b2hPnNEroPcST65E8wA1hF9014unZeMkiDeG5ujNW9AI9dgY2neRg6s) | - [Spain](https://www.pixalate.com/spain-publisher-trust-index-web-mobile-ctv?utm_campaign=Publisher%20Trust%20Index&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz--HvxD4XedTSHZ15b2hPnNEroPcST65E8wA1hF9014unZeMkiDeG5ujNW9AI9dgY2neRg6s) - [Brazil](https://www.pixalate.com/brazil-publisher-trust-index-web-mobile-ctv?utm_campaign=Publisher%20Trust%20Index&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz--HvxD4XedTSHZ15b2hPnNEroPcST65E8wA1hF9014unZeMkiDeG5ujNW9AI9dgY2neRg6s) - [USA](https://www.pixalate.com/usa-publisher-trust-index-web-mobile-ctv?utm_campaign=Publisher%20Trust%20Index&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz--HvxD4XedTSHZ15b2hPnNEroPcST65E8wA1hF9014unZeMkiDeG5ujNW9AI9dgY2neRg6s) - [UK](https://www.pixalate.com/uk-publisher-trust-index-web-mobile-ctv?utm_campaign=Publisher%20Trust%20Index&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz--HvxD4XedTSHZ15b2hPnNEroPcST65E8wA1hF9014unZeMkiDeG5ujNW9AI9dgY2neRg6s) | | --- | --- |   **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](https://www.pixalate.com/) ***DISCLAIMER*** *The Publisher Trust Index (PTI) reflects Pixalate’s opinions with respect to factors that Pixalate believes may be useful to the digital media industry. Our reports and indexes examine programmatic advertising activity on mobile apps and Connected TV (CTV) apps. Any insights shared are grounded in Pixalate’s proprietary technology and analytics, which Pixalate is continuously evaluating and updating. Any references to outside sources in the Indexes and herein should not be construed as endorsements. Pixalate’s opinions are just that, opinions, which means that they are neither facts nor guarantees. This report is not intended to impugn the standing or reputation of any person, entity or app. **Per the *[*MRC*](https://mediaratingcouncil.org/sites/default/files/Standards/081815%20Viewable%20Ad%20Impression%20Guideline_v2.0_Final.pdf)*, “'Fraud' is not intended to represent fraud as defined in various laws, statutes and ordinances or as conventionally used in U.S. Court or other legal proceedings, but rather a custom definition strictly for advertising measurement purposes. Also per the *[*MRC*](https://mediaratingcouncil.org/sites/default/files/Standards/IVT%20Addendum%20Update%20062520.pdf)*, “‘Invalid Traffic’ is defined generally as traffic that does not meet certain ad serving quality or completeness criteria, or otherwise does not represent legitimate ad traffic that should be included in measurement counts. Among the reasons why ad traffic may be deemed invalid is it is a result of non-human traffic (spiders, bots, etc.), or activity designed to produce fraudulent traffic.”**.* ### Search Blog Search ### Follow Pixalate ### Subscribe to our blog *By entering your email address and clicking Subscribe, you are agreeing to our [Terms of Use ](https://www.pixalate.com/terms)and [Privacy Policy.](https://www.pixalate.com/privacypolicy) Previous Story [← Pixalate’s March 2025 UK Publisher Rankings: Top Mobile ‘Sports’ Apps For Programmatic Advertising Traffic Quality in the Apple App Store and Google Play Store](https://www.pixalate.com/blog/march-2025-uk-publisher-rankings-top-mobile-sports-apps) [** ](https://www.pixalate.com/blog) Next Story [Pixalate's COPPA Manual Reviews: ‘Cat Escape' →](https://www.pixalate.com/blog/app-review-series-cat-escape) ## You May Also Like These Stories on Mobile Apps [![](https://www.pixalate.com/hubfs/Abandoned%20Mobile%20Apps%20Report%20-%20blog%20cover.png) ](https://www.pixalate.com/blog/pixalate-releases-may-2026-global-abandoned-mobile-apps-report) [Mobile Apps](https://www.pixalate.com/blog/topic/mobile-apps) ### [Pixalate Releases May 2026 Global Abandoned Mobile Apps Report: “Draw In™” at the top on Apple App Store, “GUNSHIP BATTLE: Helicopter 3D” tops Google Play Store](https://www.pixalate.com/blog/pixalate-releases-may-2026-global-abandoned-mobile-apps-report) Jun 24, 2026 9:00:02 AM | 3 min read [![](https://www.pixalate.com/hubfs/Blog%20Media/2026%20Covers%20and%20Images/MONTHLY%20MOST%20COMMON%20MOBILE%20AD%20FRAUD%20TYPES%20GOOGLE%20-%20APPLE%20BLOG%20COVER.png) ](https://www.pixalate.com/blog/pixalates-may-2026-most-common-mobile-app-ad-fraud-types) [Ad Fraud](https://www.pixalate.com/blog/topic/ad-fraud) ### [Pixalate Releases May 2026 Most Common Mobile App Ad Fraud Types: ‘High Risk Device ID’ Most Common Type Across Google Play Store (32%); ‘High Risk IP’ Most Common on Apple App Store (48%)](https://www.pixalate.com/blog/pixalates-may-2026-most-common-mobile-app-ad-fraud-types) Jun 9, 2026 9:00:00 AM | 2 min read [![](https://www.pixalate.com/hubfs/Blog%20Media/2026%20Covers%20and%20Images/MONTHLY%20TOP%20MOBILE%20AD%20FRAUD%20TYPES%20GOOGLE%20-%20APPLE%20BLOG%20COVER.jpg) ](https://www.pixalate.com/blog/pixalates-april-2026-most-common-mobile-app-ad-fraud-types) [Ad Fraud](https://www.pixalate.com/blog/topic/ad-fraud) ### [Pixalate Releases April 2026 Most Common Mobile App Ad Fraud Types: ‘High Risk Device ID’ Most Common Type Across Google Play Store (28%); ‘High Risk IP’ Most Common on Apple App Store (23%)](https://www.pixalate.com/blog/pixalates-april-2026-most-common-mobile-app-ad-fraud-types) May 18, 2026 9:00:00 AM | 2 min read ** ### Subscribe to our blog *By entering your email address and clicking Subscribe, you are agreeing to our [Terms of Use ](https://www.pixalate.com/terms)and [Privacy Policy.](https://www.pixalate.com/privacypolicy) ![pixalate-logo-red-small](https://www.pixalate.com/hs-fs/hubfs/2018NewTemplate/pixalate-logo-red-small.png?width=208&name=pixalate-logo-red-small.png "pixalate-logo-red-small") ** By entering your email address and clicking Subscribe, you are agreeing to our [Terms of Use](https://www.pixalate.com/terms) and [Privacy Policy](https://www.pixalate.com/privacypolicy) Products [Analytics](https://www.pixalate.com/products/analytics) [Blocking](https://www.pixalate.com/products/blocking) [Media Rating Terminal](https://www.pixalate.com/products/mrt) [Publisher Trust Indexes](https://www.pixalate.com/rankings/?group=app&reportId=publisherTrustIndex) [Seller Trust Indexes](https://www.pixalate.com/rankings/?group=app&reportId=publisherTrustIndex) [IoT Device Rankings](https://www.pixalate.com/rankings/?group=app&reportId=iotDeviceReach) Resources [Blog](https://blog.pixalate.com/) [Press](https://www.pixalate.com/press) [Careers](https://www.pixalate.com/jobs) [Team](https://info.pixalate.com/pixalate-leadership-team) Contact Email [** sales@pixalate.com ](mailto:sales@pixalate.com) [** privacy@pixalate.com ](mailto:privacy@pixalate.com) US: [** +1 888 749 2528 ](tel:+1%20888%20749%202528) EU: [** +44 (0)800 011 2050 ](tel:+44%20(0)800%20011%202050) Slack: [Join ATSAPI Slack Channel ](https://atsapi-pixalate.slack.com/join/shared_invite/zt-10dtow5cj-OEtlNr5yzJkrZMQUqcEEow#/shared-invite/email) Offices Global Offices US 1775 Greensboro Station Place, Suite 425, McLean, VA 22102 UK 20 North Audley Street London, W1K 6WE, United Kingdom EU 10 Earlsfort Terrace Dublin 2, D02 T380, Ireland Singapore 10 Anson Road, #22-02 International Plaza, Singapore 079903 [![facebook](https://www.pixalate.com/hubfs/footer/icons/facebook.png) ](https://www.facebook.com/pixalate) [![x](https://www.pixalate.com/hubfs/footer/icons/twitter-x.png) ](https://twitter.com/pixalateinc) [![linkedin](https://www.pixalate.com/hubfs/footer/icons/linkedin.png) ](https://www.linkedin.com/company/pixalate) ![wechat](https://www.pixalate.com/hubfs/footer/icons/wechat.png) [![slack](https://www.pixalate.com/hubfs/footer/icons/slack.png) ](https://atsapi-pixalate.slack.com/join/shared_invite/zt-10dtow5cj-OEtlNr5yzJkrZMQUqcEEow#/shared-invite/email) [Terms of Use](https://www.pixalate.com/terms) [Privacy Policy](https://www.pixalate.com/privacypolicy) [GDPR Compliance](https://www.pixalate.com/gdpr) Disclaimer Copyright © 2025 Pixalate [Back to top **](https://www.pixalate.com/blog/march-2025-japan-publisher-trust-index-for-websites-and-mobile-apps#) # Disclaimer Disclaimer: The content of this page reflects Pixalate’s opinions with respect to the factors that Pixalate believes can be useful to the digital media industry. 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