To remove the "This application was created by a Google Apps Script user" banner for free, you must embed your Google Apps Script web app into another webpage. Google automatically adds this banner to standalone web apps as a security notice to users.
This message is NOT a virus. This message is NOT malware. This message does NOT mean your account is hacked.
Redeploy – the “Free / created by a user” text will be gone.
The message is designed to protect users from potentially unsafe apps.
To do this, ensure your script's HtmlService is set to allow embedding:
Use this if you want a cleaner URL or more control over the surrounding page. Create a new repository on GitHub. Create a file named index.html.
Compatible with all iOS devices.
Universal App.
iOS 3.1.3+