Rey has a built-in module to enable a Wishlist functionality.
To access all of its options, please head over to Customizer > WooCommerce > Wishlist.
First, head over to Customizer > WooCommerce > Wishlist and make sure to enable it.
Send step is to create a new blank page – call it Wishlist, and then select it into the Wishlist page list.
In these options you can choose Catalog or Product page display options and also modify the texts used for buttons, titles or notices.