Marble helps you design beautiful and mobile-friendly emails and newsletters. This app automatically generates responsive HTML for your mail designs, all you have to do is drag and drop, point and click (zero lines of coding required). Marble 365 Pro Subscription: - If you like the free edition, we hope you will upgrade to Pro edition to enjoy full access to Pro-only features, the ability to add unlimited number of layout sections and watermark-free designs. - You can choose from subscription periods of 1 month or 1 year - Manage subscriptions at http://account.microsoft.com/services, you can use this page to view all of the subscriptions you have acquired, cancel a subscription, and change the form of payment that is associated with a subscription.