Are you building this app for or for private/internal tasks?
“This application was created by a Google Apps Script user – Free.”
Are you using a or a paid Google Workspace account ?
The most reliable, official, and permanent way to remove the banner is to Are you building this app for or for private/internal tasks
Yes, but you need to include responsive meta tags in your parent page. The example code includes <meta name="viewport" content="width=device-width, initial-scale=1" /> to ensure proper mobile display.
For production-level apps, you can follow the official verification process through the Google Cloud Console
The banner is often suppressed or hidden within the container of the hosting site. Developer forums show this is a widely shared frustration
If you don't want to pay for Workspace, you can hide the banner by using Google Apps Script as a rather than the front-end host.
Developer forums show this is a widely shared frustration. On the Google Developer Forum, one developer shared: "I have over 29 screenshots that gave ppl that were using my app script a heart attack thinking I was scamming them". Another added: "This makes my custom google sheet feature completely unusable for real world customers, I cannot have this warning message displayed to them when they go to authorize the script".
Method 1: The Official Google Workspace Method (Easiest & Free) or work for a nonprofit
To use this:
The most direct, official, and stable way to eliminate the banner is by running your script through an enterprise or organization-based Google Workspace account instead of a personal @gmail.com account. How It Works
If you're a student, educator, or work for a nonprofit, you may already have access to Google Workspace at no cost. This can be your ticket to warning-free script usage without any additional technical workarounds.