Woocommerce Coming Soon allows you to mark any product as coming soon mode. If a product is marked coming soon then the product won’t be purchasable via the website. And you can specify a custom text which will be visible to the users when they see the product on your website.
You can easily customize the text that would be displayed for coming soon text from the admin and there are couple of different admin options which allows to hide price, hide reviews etc for the products which are marked as coming soon.
The users can also subscribe for coming soon products so that they can receive a notification when the product is available for sale.