Shopify provides a native address lookup, and to get the most out of the Autoaddress app, follow below steps to disable this:
- Go to the Settings page for your Shopify store
- Select the Checkout option from the left-hand menu
- On the Customize your checkout section, click the Customize button then the Settings icon on the left of the menu
- Scroll to the bottom and under the Address autocompletion heading, untick the option for Use address autocompletion, then click the Save button
