Before removing the app, revert the currencies option on your store for HTML with currency and HTML without currency option in the Shopify settings as shown in the image below:
You can then uninstall the Dual Price app through your Shopify store admin.
- Go to your Shopify admin.
- Go to Apps'. Click on the Apps and sales channel settings.
- A pop-up window will open wherein you will find the list of all the apps. Click on the 'remove' button and then delete.
That's it! The app is now uninstalled. There is no residual code or leftover files that need to be manually removed.
For detailed instructions check out the Shopify guide to uninstall the app.
Note: Once the app is uninstalled, the app subscription terminates automatically.