The premium version of Order Tracking extends the capabilities of the plugin with features including locations, customers and sales reps, WooCommerce integration, custom fields, extra email notification options, advanced styling and layout options, a customer order form, order payment options and much more.
The ultimate version gives you the ability to send SMS notifications. These can be configured for order creation and status updates as well as for admin notifications.
For more info on the benefits of the premium and ultimate versions, how to buy them and how to activate them, please see the sections below.