This plugin will add shortcode and widget that add app requests button. If a user click on the button, Facebook will show a pop up with the choice list of friends to invite on your site. Add your own css class on the button. Set your own message request for each button.

WP Social Invites allows your visitors to invite their social friends on your website.

Design and launch customer referral campaigns within minutes in Wordpress.

Design and launch customer referral campaigns within minutes in WooCommerce.