The app automatically replaces the add to cart/ buy now button with a pre-order button under certain conditions.
If you have both add to cart and buy now buttons on your page, it will replace the buy now button as well in some conditions.
1. Product inventory must be zero or less for enable the Pre Order.
2. Shopify Payments or PayPal Express, payment gateway must be enabled.
The app works on the following pages:
product page
collection page (Only show the Pre Order badge and this be set manually only for different Themes)
Note: The app is compatible with all the Shopify themes. But if you have any trouble setting up the pre-order button, feel free to reach out to us for support.