The Pre-Order Manager app has three main features:
The Pre-Order button will replace the Add to Cart button each time the product/variant runs out of stock.
To enable, turn on the Pre-Order toggle button for the product/variant of your choice:
The Pre-Order button will then show when the inventory for the product/variant reaches 0. You can find out more about the logic here.
Other additional features for the Pre-Order button you can use to further achieve success with the app are:
Coming Soon Button
You can put a Coming Soon button for a soon to be launched item. Simply, create the product in Shopify Admin and enable the Coming Soon toggle button.
Inventory for the product must be 0 in order for the Coming Soon to be displayed.
Should you wish to have the Coming Soon to create intrigue for a Pre-Order product, you can follow this guide here.
Notify Me (Back in Stock Alerts)
Allow customers to subscribed to email alerts for out of stock items to notify them whenever a product is back in stock.
Please refer to this guide to start setting up for this feature.