YITH WooCommerce Product Add-Ons & Extra Options allows you to configure additional options that can be added to products in your shop. For each option, it is possible to choose a name, an image and a price, which will add up to the basic ones the product has.
To make the two plugins work together, you will only have to activate them both. The integration between these two plugins allows you to hide the price and the “Add to cart” button also from products with extra options.
For further details about YITH WooCommerce Product Add-Ons & Extra Options, please refer to the official documentation here.