remove_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_add_to_cart' );
remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_price', 10 );
remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_add_to_cart', 30 );
remove_action( 'woocommerce_after_shop_loop_item_title', 'woocommerce_template_loop_price', 10 );

add_filter('woocommerce_get_price_html','members_only_price');

    function members_only_price($price){

if(is_user_logged_in() ){
    return $price;
}

else {
    remove_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_add_to_cart' );
    remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_price', 10 );
    remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_add_to_cart', 30 );
    remove_action( 'woocommerce_after_shop_loop_item_title', 'woocommerce_template_loop_price', 10 );
    return 'Only <a href="' .get_permalink(woocommerce_get_page_id('myaccount')). '">Registered Users</a> are able to view pricing.';
      }

}

add_filter( 'woocommerce_is_purchasable', '__return_false');