Hulu and Sling TV led the way on Roku, while Sling TV and Tubi led on Amazon Fire TV. *Note: "Top apps" are based on the number of programmatic ads sold, net of invalid traffic (IVT), as measured by Pixalate. What's inside the report Pixalate's 2020 Connected TV App-Ads.txt Reports for Roku Apps and Amazon Fire TV Apps include: Download free copies of the reports here: Roku App-Ads.txt Trends in 2020 and Amazon Fire TV App-Ads.txt Trends in 2020. About Pixalate Pixalate, a global ad fraud intelligence and marketing compliance platform, works with brands and platforms to prevent invalid traffic and improve ad inventory quality. We offer the only system of coordinated solutions across display, app, video, and OTT/CTV for better detection and elimination of ad fraud.