To ensure that we don't interfere with your live shop, the application is set as "Disabled" as default upon installation. To activate the applications to your customers you manually have to "Enable" it in your Shopify admin. Do so by browsing to the "Apps" section and click on the Swipe2Buy application. Here you will find the setting to enable or to disable the application.
You can enable and disable the application at any time and as many times you like.