Remove/Hide add to cart button in Woocommerce if the user is not logged in

functions.php

//Option One (if you decided to use Option Two then remove this function and its action hook)
function remove_add_cart_button(){
	$isLoggedIn = is_user_logged_in();
	if(false == $isLoggedIn){
            //if the user is not login then remove add to cart button by removing the action hook
	    remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_add_to_cart', 30 );	
	}    
}
add_action('wp','remove_add_cart_button');

//Option Two (If you decided to use Option One then don't add the following code)
add_filter('woocommerce_is_purchasable', 'my_woocommerce_is_purchasable', 10, 2);
function my_woocommerce_is_purchasable($is_purchasable, $product) {
	
	$isLoggedIn = is_user_logged_in();
	if(true == $isLoggedIn){
		//Make product purchasable to logged in user
		return true;
	} 

	//Make product not purchasable to unlogged in user
	return false;
}