--- title: "Google leading in CTV: Most popular SSP among top 500 Roku apps" description: This blog details the most popular supply-side platforms (SSPs) used by the top Roku apps, as of the end of Q4 2020. image: https://www.pixalate.com/hubfs/Blog_Media/Blog%20photos/roku-top-500-ssps.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/roku-top-500-ssps.png) [CTV](https://www.pixalate.com/blog/topic/ctv) | [Research Reports](https://www.pixalate.com/blog/topic/research-reports) | 2 min read # Google leading in CTV: Most popular SSP among top 500 Roku apps Written by [Pixalate](https://www.pixalate.com/blog/author/pixalate) Apr 28, 2021 11:06:00 AM Pixalate recently released the industry’s first Connected TV App-Ads.txt Reports for [Roku Apps](https://info.pixalate.com/ctv-app-ads-txt-trends-report-roku-q4-2020) and [Amazon Fire TV Apps](https://info.pixalate.com/ctv-app-ads-txt-trends-report-amazon-fire-tv-q4-2020), reviewing app-ads.txt adoption trends in 2020.  The reports analyze the state of app-ads.txt adoption among Connected TV (CTV) apps in the Roku and Amazon Fire TV Channel Stores (“Roku apps” and “Fire TV apps”) in 2020. This blog details the most popular supply-side platforms (SSPs) used by the top Roku apps, as of the end of Q4 2020. ## **Google is the most common SSP listed on top Roku app-ads.txt files** **![roku-top-500-ssps](https://www.pixalate.com/hs-fs/hubfs/Blog_Media/Blog%20photos/roku-top-500-ssps.png?width=600&name=roku-top-500-ssps.png)** - 31% of the top 500 Roku apps* list Google as either a direct or reseller partner on app-ads.txt files — highest coverage rate of all sellers as of Q4 2020 - SpotX ([recently acquired by Magnite](https://www.mediapost.com/publications/article/360304/magnite-acquires-spotx-for-117-billion.html)) is the second-most common partner listed, followed by Magnite, AppNexus, and FreeWheel - All 5 of the top-ranked SSPs work with at least 144 Roku apps in the Roku top 500*, while the average SSP works with 28 publishers in the Roku top 500* **Note: “Top apps” are based on the number of programmatic ads sold, net of invalid traffic (IVT), as measured by Pixalate. "Top SSPs" refers solely to how often an SSP is listed on app-ads.txt files.* **What's inside the reports** Pixalate's 2020 Connected TV App-Ads.txt Reports for Roku Apps and Amazon Fire TV Apps include: - Roku & Fire TV app-ads.txt app adoption trends - Adoption by app category - Top Roku & Fire TV apps w/ app-ads.txt - Top supply partners (both direct and reseller partners) - Supply partners by category Download free copies of the reports here: [Roku App-Ads.txt Trends in 2020](https://info.pixalate.com/ctv-app-ads-txt-trends-report-roku-q4-2020) and [Amazon Fire TV App-Ads.txt Trends in 2020](https://info.pixalate.com/ctv-app-ads-txt-trends-report-amazon-fire-tv-q4-2020). ### **Disclaimer** The content of this blog, and the Q4 2020 CTV App-Ads.txt Reports (the “**Report(s)”**), reflect Pixalate’s opinions with respect to factors that Pixalate believes can be useful to the digital media industry. The data has not been audited or reviewed by a third party, but the research and insights are grounded in Pixalate’s proprietary technology and analytics, which Pixalate is continuously evaluating and updating. Any references to outside sources in the Reports and herein should not be construed as endorsements. Pixalate’s opinions are just that – opinions – which means that they are neither facts nor guarantees. Pixalate is sharing this data not to impugn the standing or reputation of any entity, person or app, but, instead, to report findings and trends pertaining to apps available on the Roku and Amazon Fire TV channel stores and the inventory supply partners of such apps, derived from each app’s app-ads.txt file. Pixalate does not independently verify third-party information (e.g. whether the information specified in app-ads.txt files is complete, current and accurate). ### 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 Week in Review: April 19 - 23, 2021](https://www.pixalate.com/blog/programmatic-ad-fraud-news-april-23-2021) [** ](https://www.pixalate.com/blog) Next Story [FAQ: Apple IDFA and its impact on ad fraud protection →](https://www.pixalate.com/blog/ios-idfa-ad-fraud-protection-faqs) ## You May Also Like These Stories on CTV [![](https://www.pixalate.com/hubfs/Blog%20Media/2026%20Covers%20and%20Images/OpenEPG%20landing%20page%20hero%20image.png) ](https://www.pixalate.com/blog/pixalate-launches-openepg-1.0-analytics-to-bring-linear-tv-grade-measurement-verification-to-open-programmatic-ctv) [Mobile](https://www.pixalate.com/blog/topic/mobile) ### [Pixalate Launches OpenEPG™ 1.0 Analytics to Bring Linear TV-Grade Measurement & Verification to Open Programmatic CTV; 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