Marketo and Mailchimp are both popular marketing automation platforms that can be used to create and run campaigns, build customer databases, and track analytics. However, they have distinct differences that should be considered when choosing between them. Marketo is more geared towards highly-targeted B2B campaigns, whereas Mailchimp is often used for more broad-reaching consumer campaigns. Marketo is designed for more complex workflows with advanced analytics and personalization, often in support of longer sales cycles and highly-specified customer experiences. Mailchimp is more focused on creating intuitive, approachable email campaigns without heavy customization. Additionally, Marketo supports more comprehensive automation and integration solutions, giving users more flexibility with their data. When it comes down to it, Marketo is an ideal choice for more complex customer engagement strategies, while Mailchimp makes mass email campaigns easy.