Ontraport and Mailchimp are both email marketing tools, helping businesses to send automated and personalized emails to their customers. Ontraport is a more comprehensive marketing and sales automation system, providing powerful tools for managing client and customer relationships, staying up-to-date with customer behaviour, and optimizing the user experience. As opposed to Mailchimp's main focus on mailing activities, Ontraport provides a broad range of features and services including email automation, web landing pages, shopping cart integration, CRM, project management, and other features. The pricing plans of Ontraport are also slightly more expensive than Mailchimp, but it offers an emphasis on personalisation, analytics, automation and customer segmentation which Mailchimp does not. Additionally, Ontraport provides the ability to drag and drop elements to quickly create visuals, track returns from multiple campaigns, and manage text messages, which Mailchimp does not. In conclusion, Ontraport provides more comprehensive and sophisticated services than Mailchimp and is more suitable for businesses with more advanced and sophisticated needs in customer relation management and customer segmentation.