Yes, the UpStackified Shopify app is compatible with Google Analytics 4 (GA4) tracking.

To set up GA4 tracking with the UpStackified Shopify app, you can follow these steps:

1. Install the UpStackified app in your Shopify store.

2. In the app's dashboard, go to the "Analytics" section and click on the "Connect" button next to the Google Analytics option.

3. Follow the prompts to connect your Google Analytics account to the app.

4. Once your Google Analytics account is connected, you can select the GA4 property you want to use from the dropdown menu.

5. Enable the "Enhanced Ecommerce" option to track ecommerce-related events, such as product views, adds to cart, and purchases.

After you have completed these steps, the UpStackified app will automatically send data to your GA4 property, allowing you to track and analyze user behavior on your website. This data can be used to optimize your website and advertising campaigns, and gain insights into your customers' behavior and preferences.