4. Build an app that allows users to register/login using Thunkable
Professor Wolber steps you through the process of creating a "login-only" app with Thunkable. You can use the app as a template and customize it to build out your idea. The apps uses Firebase for user authorization and Thunkable's drag and drop interface.
The template app used can be found at bit.ly/dwLogin.
For more on Thunkable and other #NoCode tools, go to draganddropcode.com