Until recently, websites employed ads.txt files to authenticate their inventory, ensuring advertisers that they were buying ad space from authorized publishers.
However, many app developers found themselves left out of this process due to the absence of a website. In response to this dilemma, the app industry has devised a solution: app-ads.txt.
This new innovation enables app developers to gain credibility, protect their inventory, and establish a more transparent advertising ecosystem, even without a website.
If you have an App without a website, this Video will show you how to host your Ads-app.txt file using different methods without having to spend money to have a website